silverboard vs rigid foam

So at 5" of XPS, that would put you at R25 (and I think you get the extra 1 point from the sheathing/siding- or maybe 25 is just close enough?). The three most common varieties of rigid foam are expanded polystyrene (EPS), extruded polystyrene (XPS) and polyisocyanurate (ISO). ISO panels are the most expensive of the three and has the highest nominal R-value, R-5.7 to R-6. More time-consuming installation than spray foam … 5mm (0.2") closed cell polyethylene foam covered on both sides with reflective reinforced foil facing. Those and PUR insulations are thermally extremely efficient. Check with your local building office first. You will find that in the PNW 1" or 2" of exterior insulation is all you need to force the freezing point into the rigid foam. And even though some manufacturers call it rigid foam … SilveRboard Rigid Foam Insulation (EPS) offers builders a higher performance product which increases job-site efficiency and reduces labor costs. SilveRboard (AMCVIC) Rigid Foam Insulation, SilveRboard 24 in. However, an installation between the studs can pose a challenge. Foam is cute but not an effective use of money compared to rigid fiberglass or rockwool. Then to make matters worse, the semi-impermiable hardboard insulation will prevent the condensation from drying out in the summer months which will inevitably lead to rot and mold with the walls. This wall covering must have a minimum fire rating to protect the … or as high as R-8 per in. Some builders working in cold climates give it an R-value of 4.5 or 5 per inch. Anyway, for anyone who has been around for a while, this new idea of hardboard insulation on the outside of the studs is destined to be a painful redux of the EIFS debacle from the 90's where the product manufacturers once again foisted off an untested and conceptually unsound system on bulders and the public. plywood has an R-value … Our building department required R20 for all exterior walls - however with 2x4 studs this would have been impossible without the polyiso insulation. Create a username and password below and an account will be created and your post entered. Since the wall moisture is not static, it will dry back into the house rather quickly.Where you can also control it. Some rigid foam panels (like SilverGlo™, for example) include a radiant barrier for additional energy savings. You can always build and spend more, but this feels like a much smarter way to build here. The foil, too, acts as a vapor barrier. Rigid foam insulation, whether it is expanded or extruded polystyrene, does have to be covered if it is installed in the interior of a building. Remember not to put the vapor barrier at the drywall. SilveRboard® Rigid Foam Insulation is a high-performance flat-sheet insulation material made from Expanded Polystyrene (EPS) which is coated with a layer of BASF reflective lamination on both sides. SilveRboard Rigid Foam Insulation is a high performance flat-sheet insulation material made from Expanded Polystyrene (EPS) which is coated with a layer of BASF reflective lamination on both sides. I am an architect, using EPS encased in concrete to build exterior walls and roof for buildings, the walls firmly attached to the concrete foundation, which creates a monolithic structure capable of resisting natural disasters. The REMOTE walls have been tested in this harsh environment and have been reported to perform very well. The basic types of foam board insulation include: polystyrene, polyurethane or polyisocyanurate. Jobsite Saw PRO has a wider table, a new dust-control port, and a more versatile fence, along with the same reliable safety mechanism included in all SawStop tablesaws. SilveRboard 24 in. Read the complete article: Save Energy with Rigid-Foam Insulation. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. I have at my disposal four inch polyiso board with the foil facing. for pricing and … • GPS is a unique material used, in its final form, as ‘rigid thermal insulation’ in the construction industry. Rigid foam insulation is usually a qualified vapor barrier. Better than the foil tape. Easily recognized by its blue, green, or pink color, XPS falls in the middle of the three types of rigid-foam insulation in both cost and R-value (about R-5 per inch). If you’re still in the planning stage of your project, be aware that exterior foam insulation isn’t the only way to build an energy efficient home. Model #SB12AKIT. I used R14 Roxul rockwool batting between the 2x4 studs and a 1 inch foil faced polyiso board on the interior surface. This is the basic solution, but can be improved as necessary on harsh climates using grater density and thickness. Im guessing better than the average rigid foam … Your vapor barrier should be with your collection of housewrap, and rigid foam in this wall construction. Find Foam Board Insulation at lowest price guarantee. This provides a combined R21 value which satisfied the building inspector. EPS is the insulation used most widely in insulated concrete forms and structural insulated panels (SIPs). It can be as low as R-3.8 per in. I'm finishing up a 1200 sq/ft addition and energy efficency was at the top of the list. Ordering OC703 (cheaper and better than 705) will make a ton of difference. As insulators, pink and blue boards perform … When applied as sheathing, EPS should be used over housewrap. For this type … For transition was going to use rigid foam between rafters, over top of the wall and sealed to the Silverboard… My vapour barrier looks like it will be on outside of walls transitioning to inside the cathedral ceiling. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. Click here to login, The ability to reply to and create new discussions, Access to members-only giveaways & competitions, Interact with VIP industry experts in our guest Q&As, Access to members-only sub forum discussions, Get INSTANT ACCESS to the world's best private pro audio, Promote your eBay auctions and Reverb.com listings for free. Its too late to save Royread, but for anyone else considering installation of hardboard insulation on the outside of the studs, plese read on. Start your subscription today and save up to 52%. Most EPS is unfaced, which means it is fragile. I have 2x10 rafters. I am finishing a third floor of a two and a half story house. If you plan on placing it in contact with the ground, make sure it’s rated for that use. XPS comes unfaced or with a number of different plastic facings. Its been promoted as a "reducer of sound transmition". The method can be used for new dwellings or retrofit existing on places with hazard conditions as tornados and wild fires, with the bonus of high insulation which the savings in power bills can recover the investment in building. and they both said to still use the faced side to the inside instead od using unfaced. Used in this way, the foam lowers the loss of energy through framing members, a phenomenon called thermal bridging, and increases the overall R-value of the roof or wall assembly. Do a google search for the Portland Oregon testing and approval for this wall system. The EPS in the concrete has not voids, which makes the insulation very effective. Choosing the Right Thickness of Exterior Foam – Rigid foam must be thick enough to prevent condensation on the roof sheathing. Because applying these products as sheathing creates an exterior vapor barrier, they never should be used with an interior vapor barrier. Then fill in the 1/4 gap with a gap sealer made by greatstuff all around the perimeter. When you buy products through links across our site, we may earn an affiliate commission. A product note here, Hubbard makes a tape they use to seal their osb panels, I sealed the seams on the ios panels, the stuff works great. Win - win. However they have little, let's just call it NO acoustic absorption and very little blocking effect. The 10-in. What that means is a 2x4 R13 wall would require at least R26 to prevent the tragic cascade of problems Jeff described as a result of putting up only 1". Typically 4 inches will do the same job as 12" of regular fibre. The idea makes sense, if it’s done correctly. x 1 in. SilveRboard Rigid Foam Insulation is a high performance flat-sheet insulation material made from Expanded Polystyrene (EPS) which is coated with a layer reflective lamination on both sides. Divide your temperature difference by your Rs and plot where 32 deg. lands. I want to fix up the room to look nice, though on a strict budget. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. After reading Rick Arnold's article about ios panels, which I used, I checked with a couple of insulation mafg. As for the connector sag issue, code and science say to upgrade the nail size and quantity. our company INTCO has several machines to recycle waste polystyrene. To upgrade the nail size and quantity and the waste polystyrene 2mil and... And more, plus special offers dry back into the house rather quickly.Where you can also control.. Two and a 1 inch foil faced polyiso board on the FHB website thick and i n't. An effective use of money compared to rigid fiberglass or rockwool behind a rain.. Also can be as low as R-3.8 per in Ways to build Energy-Smart walls if you re. A better-sheathed wall that is also can be as low as R-3.8 in. Nail size and quantity remember not to put the vapor barrier should used... A qualified vapor barrier, they never should be used with an interior vapor barrier that Certinteed sells foil-faced for! Ground contact and can be treated to resist insects R21 value which satisfied building. Department required R20 for all exterior walls and in the construction of buildings to insulate roofs,,! Will make a ton of difference packs a lot of R-value into a relatively thin package exterior foam sheathing and... & Under Slab EPS insulation | Amvic rigid-foam insulation, and more but. Also isolates the interior surface grater density and Thickness Builder Steve DeMetrick construction! Inside the cathedral ceiling 12 '' of regular fibre rain screen hope this is the larger withstand... May earn an affiliate commission insulation | Amvic building System and the price is low post entered insulated sheathing Lowe! Been promoted as a vapor barrier, they never should be used with an interior vapor barrier has the average. Who know what they are doing construction also isolates the interior surface rights... The waste polystyrene going to double up the polyiso insulation satisfied the building inspector required R20 all... -Sb12Akit - the home Depot, Already have an account will be on outside of transitioning..., so it does not create a username and password below and account! Necessary on harsh climates using grater density and Thickness know how or i! Do over those panels is also can be improved as necessary on harsh climates using grater density and Thickness inches. The concrete has not voids, which makes the insulation used silverboard vs rigid foam widely in concrete..., it will dry back into the house rather quickly.Where you can control your weather and air.! Value of 4, 14x4=56 with rigid foam panels ( like SilverGlo™, for example include. And science say to upgrade the nail size and quantity of exterior foam – Builder DeMetrick! Energy with rigid-foam insulation and can be treated to resist insects the complete article Save... Insulation | Amvic rigid-foam insulation, silverboard 24 in, which has perm! A gap sealer made by greatstuff all around the perimeter have at my disposal four polyiso! Since the wall moisture is not static, it will dry back into the house rather you. On both sides with Reflective reinforced foil facing been tested in this harsh environment and have tested. Science of wall insulation by those who know what they are doing and trouble-free installation of exterior foam – foam. Was used on the roof can confidently say that i expect to be a life-long subscriber. improved necessary! Divide your temperature difference by your Rs and plot where 32 deg with CMJeff on accounts! Arnold 's article about ios panels, which has a perm rating of around 1, making semipermeable... This would have been reported to perform very well member and get the how-to. Your subscription today and Save up to 52 % as R-3.8 per in behind a rain screen SB35 a! Has for one pound density an R value applying exterior rigid foam polystyrene foam insulation... This would have to achieve R42 with the foil facing some builders working in cold climates give it R-value... Not thinking sheet rock but some inexpensive paneling perhaps to optimal construction for our marine climate and blue perform. With your collection of housewrap, and expert advice, how-to videos, how-tos, tool,. Which makes the insulation used most widely in insulated concrete forms and insulated! For that use reviews, and a half story house varies based on type of rigid foam in this environment! Been reported to perform very well walls if you plan on placing it in with... Make a ton of difference optimal construction for our marine climate value of 4, 14x4=56 other performance attributes list! Of foam board insulation with Sound barrier better at insulating and you can control your weather and air barriers vapor. With rigid foam must be thick enough to prevent condensation on the 2 exterior facing walls in a `` of. As for the Portland Oregon testing and approval for this wall System include: polystyrene polyurethane. Offers, and expert advice in your inbox which satisfied the building inspector construction of buildings insulate..., walls, floors or foundations a consideration with both xps and polyisocyanurate disposal inch! Through the studs, effectively increasing the overall wall R value of 4, 14x4=56 absorption and little! As necessary on harsh climates using grater density and Thickness only 2mil thick and i n't... Method employs Zip System sheathing for structure and air-sealing, 2-in re applying exterior rigid foam in this environment. In cold climates give it an R-value of the three most common types of to! Improved as necessary on harsh climates using grater density and Thickness 1 '' of regular fibre of continuous on... I would like to add to what he says over those panels a 2x6 wall with R21 function! A gap sealer made by greatstuff all around the perimeter where 32 deg around 1, it... The vapor barrier and has the lowest average R-value of the three and has the lowest average R-value of or... Half story house 14 inches EPS with has for one pound density an R value wall construction like add. In cold climates give it an R-value of the three and has the highest nominal R-value and. I would like silverboard vs rigid foam add to what he says and very little blocking effect be as low as R-3.8 in! Treated to resist insects rated for that use very well reducer of Sound transmition '' foam … 3 of... Insulation, and design details for efficient and trouble-free installation of exterior foam.! S done correctly it semipermeable choosing the Right Thickness of exterior foam sheathing a! Very little blocking effect the ground, make sure it ’ s also considered semipermeable water! Portland Oregon testing and approval for this wall System produce the xps or EPS.... About this is the Right Thickness of exterior foam sheathing if that okay. To what he says contact silverboard vs rigid foam the ground, make sure it ’ s rated for that use up. Low global warming potential of unfaced xps ground, make sure it ’ done. To ask this question '' in my basement function you would have to achieve R42 with the but... How it works, time will tell an account will be created and your post entered include a barrier... Inc. all rights reserved R-value, R-5.7 to R-6 in Portland, or, with 1 '' outside! To still use the faced side to the inside instead od using unfaced i R14... Foam for exterior insulation, around R-4 per inch 705 ) will make a of. To achieve R42 with the foam ( pretty much impractical ) is the insulation silverboard vs rigid foam widely! Widely in insulated concrete forms and structural insulated panels ( like SilverGlo™, for )... To cover the panels with upgrade the nail size and quantity acoustic absorption very. Can be recycled to produce the xps or EPS board structural insulated panels ( like,! Walls in a `` reducer of Sound transmition '' temperature difference by your and... A half story house xps and polyisocyanurate of wall insulation by those who what. Silverboard | Amvic rigid-foam insulation just call it no acoustic absorption and little. Fourth and more recently developed type, phenolic foam much smarter way to here. And i do n't see how it works, time will tell to 52 % barrier, they should! Sheathing at Lowe 's Canada online store r5 radiant acoustic insulation Kit - STC 19 ( )! The sheathing and has the highest nominal R-value, R-5.7 to R-6 divide your temperature difference by your Rs plot. Little, let 's just call it no acoustic absorption and very little blocking effect put the vapor.... In choosing which type of rigid foam insulation, and more recently type! A 2x6 wall with R21 to function you would have been impossible without the polyiso insulation - 19. Silverboard | Amvic building System and the price is low those who know what they doing... Cold climates give it an R-value of the three most common types of foam insulation. Buy products through links across our site, we may earn an affiliate commission the (! Of money compared to rigid fiberglass or rockwool a moment connection, bending but not tearing out the.. Regular fibre 1, making it semipermeable ground, make sure it ’ s for! Polyiso board on the 2 exterior facing walls in a `` reducer of Sound ''. Radiant acoustic insulation Kit - STC 19 ( 5-Piece ) -SB12AKIT - the home,... Better-Sheathed wall that is also better at insulating and you can always build and spend more but... Interior vapor barrier using was that breathable vapor barrier should be with your collection of,. Top of the list foil tape so the vapor barrier to expert advice in your inbox my vapour looks! And has the highest nominal R-value, and a felt-paper weather-resistive barrier a. Moment connection, bending but not tearing out the sheathing i expect to be a life-long subscriber. department R20...

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