Roxul no sheathing. That’s why we’re installing the Roxul IS 2-in.
Roxul no sheathing. Because the OSB of the ZIP Sheathing is a vapor retarder, the assembly is semi-permeable to the inside, slowing vapor diffusion from the home’s interior into the assembly. Nov 23, 2015 · I ready that fiberglass batts against the sheathing are a no no but what about roxul? If that’s no good either, can I just spray 2″ of closed cell and fill with roxul then sheet rock? I know the best thing is to foam the entire thing, but I just do not see the value in a space that will not be heated 100 percent of the time. Figure 3: Comparison of plywood sheathing moisture content with R10 XPS and R10 rockwool Jun 22, 2020 · We have an old farm house. Up until now I have been considering building a 2x6 exterior wall (with Roxul Comfortbatt in the stud bays) covered in 1/2" exterior plywood, installing a air/moisture barrier from Stogard over the exterior of the plywood sheathing and then fastening1 1/2" Roxul Comfortboards over the Stogard. [Effective R In real-world performance, the installation of ROXUL COMFORTBOARD IS as the sheathing and ROXUL COMFORTBATT as the wall cavity insulation results in a building envelope that is less susceptible to air infiltration, slumping, and internal convection, especially when compared to fiberglass, plastic foams and other insulation products. As Jonathan mentioned, you still should have a rainscreen gap between the mineral wool and the siding. We offer next day delivery, trainings, expertise and more. In real-world performance, the installation of ROXUL COMFORTBOARD 80 as the sheathing and ROXUL COMFORTBATT as the wall cavity insulation results in a building envelope that is less susceptible to air infiltration, slumping, and internal convection, especially when compared to fiberglass, plastic foams and other insulation products. The fire resistance properties of ROXUL SAFE, including a high melting point and low thermal conductivity, allows the insulation to act as a shield against fire and temperature. The ROXUL mineral wool is hydrophobic, so provides another barrier to water, while the ZIP Sheathing WRB serves as the final barrier. Nice idea, but no thanks! (Of course, the 6" exterior Roxul is no walk in the park either!) Installing Roxul Mineral Wool on Exterior Walls As the landscape around our building site disappears under a rare blanket of snow, the sheathing on our houses has been disappearing under a thick layer of exterior mineral-wool insulation. The cladding is then attached and supported with separate fasteners through the strapping. Enhance your building envelope with ROCKWOOL Comfortboard, a rigid stone wool insulation board that provides exceptional fire protection, energy efficiency, I am installing Roxul Rockwool batt insulation in my attic and I've found conflicting answers about the need for a vapor barrier. , ROXUL COMFORTBOARD IS over fiberboard or gypsum sheathing, and housewrap) then very little insulation value is required outboard of the stud bay. An air space between the insulation and roof sheathing, (most building codes call for a minimum of 2” of air space) ventilated at ridge and sofit, is desirable in cathedral ceilings. The walls are up and the windows are purchased. I'm trying to build a house with 2x6 construction, zip sheathing with fast flash, 2" of roxul comfortboard, 2x4 furring strips and lp smartside. Roxul’s insulated sheathing panels are a vapor-open, fast-draining, hydrophobic exterior insulation. Comfortboard 80 does not produce smoke or propagate flames, providing a critical line of defense that keeps occupants safe and reduces Apr 19, 2016 · Joe's double stud with that layer of fibreboard sheathing on the outside of the inner wall that needs to be air sealed before you try to frame that second exterior wall outside of your already standing interior wall is just ridiculous. Our stone wool building insulation is a key component in fire-resilient commercial and residential buildings. and 4" of Pink ridged foam on the exterior. Nov 2, 2017 · I am trying to weigh the cost and benefits of one vs. The sheathing is also slightly damp feeling. OSB sheathing and a house wrap were installed over the sheathing. Comfortboard 80 does not produce smoke or propagate flames, and being vapor permeable, Comfortboard 80 has the added benefit of allowing fast outward drying. ROCKWOOL ROXUL Safe® is a stone wool fireblocking insulation designed to fill perimeter gaps between concrete floor slabs and exterior wall systems, between firewalls and ceiling slabs, through penetrations, and around conduit pipes and duct openings. ROCKWOOL COMFORTBOARDTM 110 Creates Breathable Wall Systems ROCKWOOL COMFORTBOARDTM 110 (Thermal Insulated Sheathing) is a rigid, high-density, stone wool insulation board designed for use as an exterior continuous insulation in commercial applications. Which way would you go and why? Jun 12, 2018 · The Wall and Roof Systems A combination of super-insulation and excellent air-tightness. If you are going to DIY, it is easier to not have to store that much material. ROCKWOOL COMFORTBOARD™ 80 is a rigid stone wool continuous insulation board used as a non-structural sheathing product in residential construction. Feb 12, 2013 · As the landscape around our building site disappears under a rare blanket of snow, the sheathing on our houses has been disappearing under a thick layer of exterior mineral-wool insulation. Jan 11, 2017 · ComfortBoard is Roxul’s exterior insulation. We had them remove the hot tub and we want to turn the room into a 4 seasons room. Part of the work to make the insulation successful was to place the air barrier at the outside face of the framing with Zip System sheathing and tape, using Titebond Greenchoice accoustical sealant and ProtectoWrap Triple Guard energy sill sealer. Fastening to the roof trusses through 3″-4″ of foam seems like a hit-or-miss proposition. ROCKWOOL Comfortboard® 80 is a rigid stone wool board designed for exterior continuous insulation in residential and commercial construction. May 9, 2016 · Adding a layer of insulation to the outside of a house, over the wall sheathing, makes all kinds of sense from an energy perspective. Sep 18, 2016 · I'm building an unconditioned workshop with a cathedral ceiling (i. Clean up the siding before you reinstall it. Apr 21, 2016 · Hi all, I’m wondering if anyone has priced or used Roxul Comfortboard for exterior sheathing recently. But the thicker the layer, the more challenging becomes the actual means of attaching it to the building. 5" Roxul Comfortbatt. Plus, the company has a new, even higher-density boardstock product coming out this Oct 1, 2022 · I am curious what folks think about the following technique for applying Rockwool comfort board outboard of sheathing: After sheathing, nail ripped 2x6s (1. 3. Any energy expert who fields questions from builders will tell you that, year after year, the same questions keep coming up: Does this wall need a vapor barrier? Will foam sheathing trap moisture in my wall? How do I Then he attached the sheathing to the interior side of the structural wall. The walls from inside to out are: Sheetrock, fiberglass batt, wood lap siding (no sheathing), 1″ extruded foam, vinyl siding. The product has been certified by the The slitinsulation all assel onsists o igid o seiigid insulation installed on the eteio o an aoegade onentional o insulated oodae all In soe aeas this all a also e eeed to as an eteio insulated all assel o a all ith insulated sheathing Rigid ROXUL COMFORTBOARD™ IS insulation is installed on the eteio side o the sheathing eane attahed ith etial staing o othe attahent stateg hih oides a Sep 9, 2014 · I the sheathing laes ae e au eeale eg ROXUL COmfORtbOaRD IS e fiead gsu sheathing and husea then e little insulatin alue is euied utad the stud a ee hile these eeale laes an essentiall eliinate au diusin ndensatin iss ith le etei sheathing Ralues the is ai leaage ndensatin des nt d as uh ai leaage a still delie e ate au t the a the sheathing Peak OSB sheathing moisture content less than 20%, no mold growth - very little risk depending on frequency and length of wetting, and temperatures during wetting. Products: ROXUL COMFORTBOARD IS Insulated Sheathing Thermal Insulation ROXUL COMFORTBATT Insulated Batt Thermal Insulation Standard (s): CAN/ULC S101 "Fire Endurance Tests of Building Construction and Materials" CAN/ULC S124 "Evaluation of Protective Coverings and Foamed Plastics" Label: Product is marked with labels supplied by ROXUL Inc. This product is an exterior non-structural insulation sheathing board for high performance residential wall systems. I am getting ready to order the exterior insulation for the house. Jul 11, 2018 · I need some help. To maintain a continuous air barrier, the Stego Wrap is connected to the ZIP sheathing on the walls which Feb 16, 2015 · I am in Climate Zone 6 (on the Atlantic coast of Nova Scotia). No need for house wrap. 5″ thick). The Roxul basement insulation system, which combines 1. Currently, my wall assembly will be as follows from the inside out:- drywall- poly vapour barrier- 2x6 16in OC stud frame with R24 fiberglass batts in the cavity (still thinking about changing ROCKWOOL COMFORTBOARD 110 is a rigid stone wool continuous insulation board used as a non-structural sheathing product in residential construction. Some of these builders just install nailbase instead of foam plus a second layer of sheathing. ROCKWOOL Comfortboard® is a rigid stone wool insulation board designed for continuous insulation applications. Jan 23, 2016 · Roof insulation is planned as Roxul ComfortBatts inside and ~R20 in two layers of rigid foam outside, topped with OSB (Hunter nailbase panels). No exterior sheathing was used. Learn proper techniques for walls, roofs, and more. 3: Cladding installation can be ventilated or direct to sheathing in contact with exterior insulation. It is designed to provide increased thermal performance to the building envelope. 3 Comfortboard 80 1-1/2 in. The strategy to attach the cladding will depend on the weight and support requirements for the cladding. , ROXUL COMFORTBOARD 80 over fiberboard or gypsum sheathing, and housewrap) then very little insulation value is required outboard of the stud bay. I got to this point in the fall and stopped to work on the Structural Considerations This cladding attachment system uses vertical strapping (i. Back 7 years ago I added some soundproofing to my kid's school -- Jan 17, 2023 · I waited a couple months to put up the poly Iso and now the rockwool is wet, is this a big deal? My roof assembly is = -Asphalt – Graces – Advantech roof sheathing. com recommends spray foam followed by rigid foam on the underside of the decking if you are going with a hot roof design. EXCEPT for the area that is shown in the pictures. Known as Comfortboard IS, this insulation is impressing us with its green virtues, versatility and price. ceiling insulation R value, R value for walls and more. Learn more about IDI. Installing COMFORTBOARD 110 as continuous insulation with our ROCKWOOL COMFORTBATT as the wall cavity insulation contributes to a higher effective R-value wall system Mar 22, 2025 · 2. Installing Mineral Wool Insulation Over Exterior Wall Sheathing Feb 10, 2021 · The exterior side of my walls are vinyl siding, Tyvek then 1/2″ OSB sheathing. com Rockwool Comfortboard® 80 Rigid Insulated Sheathing · 1¼" R-5 · 4x8 Panel RXCBIS12548-PC Dec 23, 2016 · We are designing our new house in the PNW in a Marine 4 zone. Is it safe to just remove the sheetrock and fiberglass batts and replace with rockwool and then re-sheetrock? Do I need some sort of vapor barrier? Will the insulation work without sheathing? I doubt the old siding is airtight. Read page 3 of our customer reviews for more information on the ROCKWOOL R-6. . Jul 16, 2013 · ROXUL ROXUL has launched an innovative continuous insulation sheathing board. 5-inch Bruce and I installed Zip System wall sheathing to the garage-to-house wall so that the exterior air-control layer would be continuous around the house. Dec 30, 2016 · Insulation, Radiant and Vapor Barriers - Insulating the floor on enclosed deck to make it into a 4 seasons room - We bought a house a year ago and the former owners enclosed a deck for a hot tub. 5″ air vent from soffit to ridge created with 1. Most claddings can be attached directly to vertical strapping, which is in turn attached through the insulation to the primary If the sheathing layers are very vapour permeable (e. So my options are: Apr 13, 2018 · Building in the Canadian Rockies, so climate zone 5-6 ish. ROCKWOOL® – Mineral Wool Insulation Products High-performance stone and mineral wool insulation products for residential and commercial contractors and builders. No issues until I started completing the project, I suspect the heating and outside weather is the cause, and this isn’t a big deal. Then 8″ rockwool and strapping to hold it in. If the sheathing layers are very vapor permeable (e. ROXUL Safe® is a semi-rigid, mineral wool batt insulation designed to provide enhanced fire protection in perimeter fire containment systems, floor and wall through penetrations, construction joints, and other fire stopping applications. Jun 1, 2018 · Builders in Maine who install a second layer of sheathing over continuous exterior insulation (because in Maine, builders like to install cedar shingles as siding) usually use rigid foam, not mineral wool, for the continuous insulation. With an R-value of 4, it is lower than most rigid foams, however, there is no reduction in R-value over time, which will happen with foam insulation materials that rely on lower-conductivity blowing agents that slowly leak out or allow air to leak in. The sheathing is 1” Polyiso (foil faced) wrapped in Typar building wrap. insulation on the garage Dec 20, 2017 · sure that installing the Roxul insulation didn’t create a bunch of leaks and problems with the structure. EXTERIOR SHEATHING: Install 1/2 in. com. Our calculator helps you measure what r value for exterior walls you may be looking for, as well as for different applications. The garage will be unheated, and temperatures will be roughly the same inside and outside, so we need to insulate that wall as well as the rest of the exterior walls. It seems that in terms of overall labor one course of 4 inches of rock wool insulation would be easier to install. It has also received ICC-ES validated product acceptance in accordance to ROXUL Safe® 45 is a semi-rigid stone wool insulation board that is specifically engineered as a fire-blocking material for concealed spaces of multi-unit residential buildings. In some areas, this wall may also be referred to as an exterior insulated wall assembly, or a wall with insulated sheathing. 4: Water-resistive barrier (WRB) material and installation is to comply with applicable codes. I live in western PA, so I would plan on putting it below the insulation between the joists. (For more information on this issue, see Calculating the Minimum Thickness of Rigid Foam Sheathing. Clearly it is not sitting flat up against the sheathing and there are gaps all over. The siding is cement board clapboards nailed directly to the sheathing. The walls of this house are 2×8 construction with dense-pack cellulose insulation (R-27), ZIP sheathing for the air barrier and 6” Roxul insulation (R-24) for a total insulation value of R-51. If the membrane over the sheathing is the dedicated air barrier, this wind washing probably isn’t so bad, but I’m curious what others see as disadvantages of using Roxul in the place of foam board for exterior insulation? Thermally efficient, moisture resistant and vapor permeable, COMFORTBOARD™ 110 is a non-structural external sheathing insulation that creates high-performance wall assemblies to improve the energy efficiency and fire resilience of buildings. Aug 26, 2011 · Musings of an Energy Nerd Installing Mineral Wool Insulation Over Exterior Wall Sheathing Researchers confirm that Roxul panels and furring strips can be installed on ROCKWOOL Comfortboard 80 Thermal Insulated Sheathing - 2" R-8 - 4x8 Panel ROCKWOOL Comfortboard 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation. I'm thinking Dec 19, 2017 · I would like to hear comments about the idea of using Roxul batts to serve as retrofitted soffit dams. Also available is the Roxul basement insulation system which combines 1. I planned on using heco fasteners. Sep 21, 2010 · so, like i said, i have no vents and am looking for ideas on insulating the roof. 5” R6 Roxul ComfortBoard IS and R14 ComfortBatt which achieves an R20, helping to avoid thermal bridging through the stud from the ROCKWOOL COMFORTBOARD 110 is a rigid stone wool continuous insulation board used as a non-structural sheathing product in residential construction. The COMFORTBOARDTM IS product is a rigid mineral wool insulation sheathing board that is non-combustible, water repellent, fire resistant and sound absorbent. Known as Comfortboard IS, this insulation has impressed us with its green virtues, versatility, and price. How can I put in a vapor barrier on the underside of the floor sheathing? What is there now is fiberglass faced insulation. Is this needed? is there any definitive answer on this? Firestopping Insulation ROCKWOOL ROXUL Safe® is a lightweight, semi-rigid stone wool insulation designed to provide fire protection in perimeter fire containment systems (compliant with ASTM E2307), wall and floor penetrations including conduit pipes and duct openings, construction joints, and other firestopping applications. x 48 in. I just can't get behind Zip-R - too little insulation, too much separation between sheathing and framing, and the insulation is on the "wrong" side of the sheathing. I threw together a little R per buck spreadsheet for ready to order pricing (off shelf and big box pro desk). Feb 8, 2016 · Then remove the siding, install your favorite insulation in the walls (Roxul) followed by the ply then the Tyvek and on that and would install 3/8" furring strips then re-install the wood siding and ditch the vinyl as that would be an insult to house. May 16, 2013 · Enter ComfortBoard mineral wool boardstock With this context, I was thrilled to learn recently that Roxul, a Canadian manufacturer of mineral wool (or rock wool) insulation and part of the global, Denmark-based Rockwool International, has been gaining traction with their residential ComfortBoard IS in the U. g. ) If your client wants to install Roxul ComfortBatt insulation between the studs, the most likely products to choose would be 5. The planned roof stackup, from inside to outside: Exposed TJI Rafters @ 24" OC 1/2" plywood sheathing w/ h-clips fully adhered WRB, continuous with wall WRB 2 layers of 3" of Roxul ComfortBoard (R-24 total) 2x4 purlins parallel to ridge, connected to rafters via long screws (these purlins Nov 25, 2014 · I recently purchased a super insulated house in the Concord, NH area. Today he was working in here and removed roxul to run water lines to discover some mold behind the roxul insulation against the OSB. That’s why we’re installing the Roxul IS 2-in. And, assuming that your contractor used an appropriate weather barrier and not a true Aug 12, 2013 · The plan is 2 inches of exterior insulation with a rainscreen created by 1" furring strips, plywood sheathing and 2 x 6 interior walls insulated with dense pack cellulose. Mar 6, 2018 · For a roof with exterior insulation on top of the sheathing, is it possible to use rockwool instead of rigid foam? I was reading here about how mineral wool, as an an air permeable insulation, was not a good choice for inside of stem walls, as air can still contact the cold stem wall surface and condense. The vapor permeance of ROCKWOOL insulation allows for increased drying potential without trapping transient moisture in the assembly, reducing the risk ance to the building envelope. Installing COMFORTBOARD 110 as continuous insulation with our ROCKWOOL COMFORTBATT as the wall cavity insulation contributes to a higher effective R-value wall system Mar 12, 2010 · UPDATED on May 15, 2015 Although building science has evolved rapidly over the last 40 years, one theme has remained constant: builders are still confused about vapor barriers. The product has been certified by the How to Use this Guide This ROCKWOOL Board Insulation Attachment Guide provides recommendations for attaching ROCKWOOL semi-rigid and rigid board insulation products for most common applications, when used as part of a cladding attachment system or as plain board installation. Siding will either be clapboard or cedar shingles if I can figure out how to do Oct 13, 2016 · The ROXUL COMFORTBOARDTM 80 – RESIDENTIAL INSULATED SHEATHING – INSTALLATION GUIDE is designed to provide residential home builders and contractors with clear, detailed steps for the construction of a split-insulation wall assembly. 75″) horizontally thru sheathing, to studs. Find Roxul Rigid Insulation Panels at DunnLumber. 5″ EXP spray-foamed in. I would use fiberglass insulation instead of roxul. , no attic) under a shed roof. Would the same apply to roofs, avoid air permeable insulation on top of the deck, because Pinning Rock Wool to Sheathing Fireproof, rot-proof, and stable, rock wool (also called “mineral wool”) has a lot to recommend it. The product has been certified by the IDI Distributors is America's wholesale spray foam insulation supplier. This guide is intended to assist design professionals when designing the attachment systems used with ROCKWOOL stone ComfortBoard 80, a rigid stone-wool nonstructural insulation sheathing board from Roxul, provides a continuous layer of insulation around either the exterior or interior of the building envelope. ROCKWOOL ROXUL Safe® is a stone wool fireblocking insulation designed to fill perimeter gaps between concrete floor slabs and exterior wall systems, between firewalls and ceiling slabs, through penetrations, and around conduit pipes and duct openings. Roof is a 6/12 -Rafters are 2X12’s with 1. This board is non-combustible, vapor permeable, water repellent and sound absorbent. Note: Roxul ComfortBoard IS can be fastened to to your basement wall using Paulin 3" Concrete Fasteners (#1000682387) or using LePage PL Premium Construction Adhesive (#1000403477). Mineral wool is vapor open though, so you should be fine with a flat housewrap. In recent years, some builders have come to prefer rock wool not just for cavity insulation between studs, but also for ex-terior-applied insulation over wall and roof sheathing, as part of a rainscreen wall assembly or a hot roof. I actually wanted Roxul Comfortboard, but haven't been able to find it locally. 5″ Comfortboard no longer 1-hour fire rated because of the cleats extra cost of Densglass sheathing for 1-hour fire rating Some contractors prefer strapping per the Roxul installation guide, but are not keen on strapping in general because it is hard to true and plumb. 5″x2. oc around the perimeter and 12 in. Mar 22, 2017 · Richard, Scarsdale is in Climate Zone 4A. All that sounded great until I considered putting solar panels on the roof. The product has been certified by the Step 4 Install 2x4 stud wall directly against the sheathing, leaving no gaps or airspace. 5-in x 2-ft x 4-ft Unfaced Mineral wool with Sound Barrier Board Insulation in the Board Insulation department at Lowe's. From my investigation and discussions with the previous owner the wall system is double stud insulated with 3 layers of 3. Dec 11, 2015 · So I'm trying to come up with a wall insulation that will work with my budget and prefer DYI. We would like to show you a description here but the site won’t allow us. 5”) connected directly to the wood framing (Figure 2). ROXUL SAFE products are fire resistant up to 2,150˚F (1,177˚C). I was trying to add insulation to the exterior. Stoller is working out the ROCKWOOL Comfortboard 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation in residential to increase the performance of basement and exterior walls. Dec 10, 2012 · Insulation, Radiant and Vapor Barriers - Insulation for exterior walls with no sheathing - We're renovating a house built in the 1850's that has cedar siding nailed directly to the studs. oc in the field. e. The COMFORTBOARD™ CIS (Commercial Insulated Sheathing) is a rigid, high-density, non-combustible stone wool insulation board specifically designed for use as an exterior continuous insulation in commercial rainscreen wall systems. In Climate Zone 4A, there are no limitations to the thickness of exterior rigid foam on walls. The walls will be 2x6 with Rock wool batt insulation. Any thickness will work. The bending resistance from the screw (when installed into the sheathing and R-value is a measurement that rates how resistant a product is to heat flow, measuring the ability of heat to transfer from one side of an object to another. is cheaper than 1 layer of Roxul R22 or R24 2X6 16 or 24o. Split-Insulation Wall Assembly The split-insulation wall assembly consists of rigid or semi-rigid insulation installed on the exterior of an above-grade, conventional 2x4 or 2x6 insulated wood-frame wall. ROXUL mineral wool is a water repellent yet vapour permeable material. The material is free-draining Oct 5, 2016 · Researchers confirm that Roxul panels and furring strips can be installed on walls as a substitute for exterior rigid foam. Roxul exterior wall insulation products meet the 2012 International Building Code (IBC) fire requirements for buildings with exterior walls of noncombustible construction. The product has been certified by the Releasing the power of stone. Dec 7, 2020 · You want air to be able to circulate around that roof sheathing unless you were using vapor-impermeable insulation, or had insulation ABOVE the sheathing (neaither of which are particularly common in residential buildings). The ROXUL COMFORTBOARDTM 80 – RESIDENTIAL INSULATED SHEATHING – INSTALLATION GUIDE is designed to provide residential home builders and contractors with clear, detailed steps for the construction of a split-insulation wall assembly. Stone Wool Insulated Sheathing Board (48 sqft) RXCB11224 on Page 5. R20 Solution: Code Changes drive the need for new building practices in Ontario In Ontario, the new 2012 Building code outlines a number of instances where R20 is required by code for the basement wall. (pricing that Dec 31, 2021 · Just a quick post to share a good experience with Roxul sheathing for sound absorption. C. Space […] Sep 22, 2016 · The Caleb Contracting crew rebuilds and upgrades a house wall using vapor-open, fire-resistant Gold Bond eXP Sheathing from National Gypsum, and ComfortBoard 80 rigid mineral wool insulation from Roxul. 6, 1-1/4 in. We are planning to use plywood CDX sheathing taped or otherwise sealed as the air barrier. furring), on the front face of the exterior insulation, fastened with long screws through the exterior insulation and into a framed wall. Made of natural and recycled materials, the board is CFC and HCFC free, noncombustible, water repellent, fire resistant, and sound absorbent. ROCKWOOL COMFORTBOARD 110 is a rigid stone wool continuous insulation board used as a non-structural sheathing product in residential construction. 4" of polyiso will be added to exterior at a later date but it could Aug 21, 2020 · Read page 1 of our customer reviews for more information on the ROCKWOOL R-6. First of all, is this an efficient wall assembly? I'm here in MO and there are no builders familiar with exterior insulation. thick DensGlass® Gold exterior sheathing to the exterior side of the steel framing (Item 2) with the long dimension perpendicular to the steel studs. Jul 14, 2019 · Hi Richard, Sometimes it is recommended to use a drainable housewrap to give OSB sheathing a bit of outward drying potential with certain exterior foam insulation that is not-so-permeable. After building the exterior (truss) section he filled the void with three layers of Roxul Comfortbatt (3. Step-by-step guide for installing ROXUL COMFORTBOARD™ IS residential insulated sheathing. S. Product Description & Application ROXUL COMFORTBOARDTM 80 is a rigid mineral wool, non-structural insulated sheathing board used as continuous insulation in high performance wall systems. It would be safest to NOT have the roxul in contact with the sheathing, and to leave the 1" gap clear along the vent pipe so that you aren't greating an area near the Jan 10, 2014 · If you could only choose between Roxul or fibergass batts to fill an 8" thick wall, would the extra expense of Roxul be worth it? In my local stores, Roxul is about 50% more in cost. ROCKWOOL offers a complete line of fire-stopping insulation solutions (ROXUL Safe 45, 55, or 65) with variable densities and resistance ratings to meet the full range of your construction needs. Question Cleating v Strapping. As building codes adjust to increased effective R-value requirements, the need for insulated sheathing will increase accordingly and Comfortboard®80 leads the way as the exterior insulation of choic ROCKWOOL Comfortboard® 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation in residential and commercial construction. Oct 14, 2014 · Where the seams of the EPS or other foam board can be spray foamed or taped together, Roxul would just be butted together. two courses of exterior rockwool insulation applied over sheathing, assuming equal overall thickness. It is much easier to find. It has also received ICC-ES validated product acceptance in accordance to I'm planning a build west of you up at near 10000'. Rigid ROCKWOOL COMFORTBOARDTM 80 insulation is installed on the Jan 23, 2019 · Some details about the construction: Foundation: CMU, crawlspace Sheathing: Celotex fiberboard, no housewrap Insulation: Originally dense-pack cellulose installed through sheathing, installing Roxul Framing: 2×4 Siding: Brick, 1″ gap to sheathing, no brick ledge, no weep holes Jan 19, 2013 · I am considering using Roxul Comfort Batt R23 in my unheated crawlspace. The Roxul insulation were installed over the house wrap, and held in place by screws driven through nominal 1x3 strapping (actual dimension 3⁄4”x 2. Vapor permeable, this solution allows fast outward The ROXUL COMFORTBOARDTM 80 – RESIDENTIAL INSULATED SHEATHING – INSTALLATION GUIDE is designed to provide residential home builders and contractors with clear, detailed steps for the construction of a split-insulation wall assembly. Installing COMFORTBOARD 110 as continuous insulation with our ROCKWOOL COMFORTBATT as the wall cavity insulation contributes to a higher effective R-value wall system Jan 6, 2013 · As the landscape around our building site disappears under a blanket of snow, the sheathing on our houses has been disappearing under a thick layer of exterior insulation. due to the cost of spray foam, i was thinking about using Roxul insulation, which does not store or transfer moisture and is Oct 17, 2016 · After inspection there are 2x4 stud walls, 3 1/2" fiberglass insulation,plywood sheathing, 1" TUFF R foam, 5/4 cedar siding, and no drainage opening. I'm planning, similar to you, 2x6 walls 24oc R-23 mineral wool, zip, then external insulation - still waffling between PolyISO foam and Comfortboard mineral wool - will probably 3. Oct 3, 2016 · Roxul ComfortBoard 80 is a rigid stone wool insulation sheathing board that is non-combustible, water repellent, vapor permeable, fire resistant, and sound absorbent. We want to insulate the floor which is We would like to show you a description here but the site won’t allow us. Now that I can source this material in my area (Rockies USA), I’m interested in using this product for a project but am finding the pricing a bit deterring. It's designed to be used in above-grade walls, below-grade foundation walls, under concrete slabs and in pitched roof applications. Dec 20, 2011 · There are no significant predicted hygrothermal performance differences, under these conditions, when comparing the predicted plywood sheathing moisture content caused by vapor diffusion into and out of the enclosure from both the interior and exterior. Attic - R50 loosefill cellulose Main Floor – R22 CC spray foam in 2x6 wall with no VB, drywall and latex paint - The ROCKWOOL Comfortboard® 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation in residential and commercial construction. x 24 in. So, if your contractor put on the exterior sheathing and put some sort of weather barrier between the sheathing and the siding, and you are inside the shed putting your rockwool insulation between the studs, then YES you need to put a vapor barrier over the studs before you install the GWB or interior finish. Mar 29, 2019 · So basically the question is, do I stick with 2 1/2" of Roxul Comfortboard over a liquid applied WRB from Tremco (which one though?), Comfortboard over Drainwrap, rigid over liquid applied WRB, rigid over Drainwrap, or WRB over rigid? I do like the Roxul Comfortboard 80 for its fire resistance, but I've read that the Comfortboard 110 is stiffer. Thinking about ROXUL board directly over the cedar, furring strips, and different siding. I realize the polyiso should be thicker, but I’m told it’s too late. c. Stone Wool Insulated Sheathing Board (48 sqft). 2" Comfortboard IS would go on the outside of the CDX with furring strips for a rain screen under the siding. It does not produce smoke or propagate flames, keeping occupants safe and reducing property damage in the event of a fire. buildingscience. The sheathing is Huber Zipwall with taped joints. The exterior wall and Roxul was covered with Typar. ASTM testing demonstrates the products’ non ROCKWOOL ComfortboardTM 80 is a rigid stone wool insulation board used as a non-structural sheathing product in residential and commercial construction. Any thoughts on this plan. The idea is to place, say, R-30 batts between the ceiling joists so they rest over the wall plate and squeeze up against the underside of the roof sheathing and ventilation baffles. ROCKWOOL Comfortboard® 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation in residential and commercial construction. Installing COMFORTBOARD 110 as continuous insulation with our ROCKWOOL COMFORTBATT as the wall cavity insulation contributes to a higher effective R-value wall system Exterior walls are key for combatting heat loss in buildings. What is the down side to this wall system? ROXUL COMFORTBOARDTM80 is an exterior non -structural insulation sheathing that provides a continuous layer of insulation around the residential building envelope. long, Type S screws spaced nominally 8 in. The inside is drywall and I'm told Nov 25, 2014 · Were building a home on Vancouver Island (4C) and are planning on split insulation strategy as follows: 1" X 4" strapping>1. May 22, 2012 · May 22, 2012 - Roxul is now offering its ComfortBoard IS, a R6 rigid mineral wool insulation sheathing board that is non-combustible, water repellent, fire resistant and sound absorbent. If the sheathing layers are very vapour permeable (e. The 2×4 stud cavity is 1″ Extruded Polystyrene foam board against the sheathing then r-15 Roxul. Improve energy efficiency – and gain other benefits – with ROCKWOOL external wall insulation. PORCELAIN FACADE SYSTEM PRODUCT PERFORMANCEFEBRUARY 2018 Dec 28, 2022 · Today he was working in here and removed roxul to run water lines to discover some mold behind the roxul insulation against the OSB. 5" roxul comfort board> building paper > 1/2" sheathing > 2X6 structural w/ dense pack cellulose > drywall with vapor retardant paint. See what other customers have asked about ROCKWOOL R-6. Thermally efficient and vapor permeable, COMFORTBOARD CIS provides the rigidity and Split-Insulation Wall Assembly The split-insulation wall assembly consists of rigid or semi-rigid insulation installed on the exterior of an above-grade, conventional 2x4 or 2x6 insulated wood-frame wall. I know the lumber and labor of a double stud wall will cost more. Stay on top of the latest industry news, building science articles, and CI training and speaking events with our monthly newsletter. , taped and sealed Zip system exterior, MemBrain barrier with airtight drywall interior will be used. The wall is standard single stud, 24" O. ROCKWOOL ComfortboardTM 80 is a rigid stone wool insulation board used as a non-structural sheathing product in residential and commercial construction. It seems that two courses of 2 in of rockwool would necessarily be twice the labor. Secure using no. Cladding Attachment and Support All types of cladding can be used with ROXUL COMFORTBOARDTM 80 and ROXUL COMFORTBOARDTM 110 in a split-insulation wall assembly. I've priced Roxul as I like its qualities and come to the conculsion that putting 3 layers of R16 2x4 16o. ROCKWOOL COMFORTBOARDTM 110 (Thermal Insulated Sheathing) is a rigid, high-density, stone wool insulation board designed for use as an exterior continuous insulation in commercial applications. A non-structural sheathing product, Comfortboard 80 provides increased thermal performance to the building envelope. Rigid ROCKWOOL COMFORTBOARDTM 80 insulation is installed on the Shop ROCKWOOL Comfortboard 80 R- 6. The house is 3 years old. I am curious as to the benefits of Product Description & Application ROXUL COMFORTBOARDTM 110 is a rigid mineral wool, non-structural insulated sheathing board used as continuous insulation in high performance wall systems. Sep 12, 2014 · I’m building a brick bungalow in zone 5, please help critique my insulation. I was expecting a 20% Then use ridgid foam insulation over the sheathing, tape the seams. 5” (R6) Roxul ComfortBoardTM IS and R14 ComfortBattTM achieves an R20 while eliminating the need for 2 x 6 construction. This design can be succ Peak OSB sheathing moisture content >28% - Moisture related problems are expected and this design is not recommended. To clarify, the master bathroom is fully finished drywall w/ vapour barrier primer. In a post in the Q&A forum at Green Building Advisor, Burke Stoller shares some of his concerns, as well as a proposed solution. During the cold winter months, I was getting bad condensation between the foam board and Roxul where it was exposed to the indoor air (no drywall). Some trimming of the upper side of the batts may be necessary to avoid crushing the baffles. Using ROXUL Safe® 45 with our ROCKWOOL batt insulation creates a high-density “party” wall system that improves sound dampening and fire performance. i. 3 , 1. I'm getting frustrated as everyone is trying to talk me out of using it The ROXUL SAFE products are specifically engineered as a fire-stopping material for use in buildings. lwsni gcqu geuvqf biqg qhx mvli qrb vynul imdvvfmyw gsets