49 (3) View Wishlist Added to Wishlist EPDM P Size Rubber Tape, White $9. £4.54 to £90.55. If filling irregular shapes and little chance of damaging surrounding areas, foam probably is a clear winner. Backer rod is more predictable. Report Review. To … So, I think probably the little foam backer rods are going to be fine. This feature has been temporarily disabled during the beta site preview. I am looking for for a high-quality, very durable caulk or sealant to use around the interior side of the perimeter of my newly installed windows. The inclusion of expansion joint filler material does not allow sealant to form a three-point bond to the slabs and base surface, maintaining flexibility and preventing damage to the substrate. M-D Buildg Driveway and Sidewalk Foam Caulk Backer Rod 15ft L x 3/4 Gray. 2 comments. (17) 17 product ratings - Everbuild Sealant Backer Rod Foam Polyethylene 15mm 10m Window Frame Joint Fill. The foam is used to fill most of the void which is then coated with sealant (mortar, caulk, etc.) If you put that expandable foam in there, it’ll just keep expanding until it’s like the blob growing out. $18.63. Insulating a partially vented attic with closed-cell spray foam sprayed on top of ceiling instead of roof deck. New comments cannot be posted and votes cannot be cast, More posts from the HomeImprovement community. Some pictures of the drywall-XPS joint are attached. Make sure that the width of the joint corresponds to the movement capability of the Zwaluw Sealant. Expansion Joint for Concrete The Reflectix closed … Share. Sometimes it is a PIA to get the backer rod in and if you don't have the exact size it doesn't work. Thanks for reading. Plus, with so many ways you can use spray foam, this material certainly is handy. Corners are a common leak spot, so use silicone caulk and backer rod instead of grout. At the last minute they mentioned they would not be using a closed cell foam backer rod, instead they will be using torpedo sand. I can't tell you how many times I have used spray foam, and think I put in the right amount only to come back in an hour to this.But, spray foam is better at sealing air leaks. Do not rely on fibrous insulation alone to block airflow; it will not air seal. 1/4″ 2.2LB Polyethylene Backer Rod Used in home construction, sidewalks and masonry work, backer rod , or expansion joint filler as it is also known, increases the performance and longevity of every application it … Home Depot has a couple cases of near expiring product on the shelf. M-D Building Products 71506 Backer Rod for Gaps and Joints, 5/8-by-20 Feet, Gray, Black . x 50 ft. Use an open-cell backer rod for gaps of more than 1/2 inch wide. I can use backer foam that's half inch wide and since gap is deep I can stack them on top each other for tight fit. I would suggest a silicone caulking . other. But, spray foam is better at sealing air leaks. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. What should I use instead of polyethylene? Rockwool and polyiso instead of spray foam to make a conditioned attic? I ended up using backer rod and polyurethane. Log in . Backer rods are usually round, flexible lengths of foam that are used as a “backing” in joints or cracks to help control the amount of … Foam Backer Rod, Closed Cell Spray Foam, 1/2" Thickness Foam Wrap, Sheet 1/2" Thickness Foam Wrap, 1/2 Inch Foam Wrap Rolls, 1 Inch Thickness Foam Wraps, 1/16" Thickness Foam Wrap, 1/32" Thickness Foam … 3 watching. A compressed gasket should still seal with 50% movement 50 years from now. It’s non-expandable. Because we’re in a rush to get it done (baby on the way), we had to do things a bit out of order and have the drywall contractors get started before we could do the subfloor. I haven't used foam backer rod because (since the joint is vertical) it won't stay while I caulk. Use backer rod to fill in big gaps, otherwise you waste too much sealant. Note that the Delta-FL has already been air sealed to the framing using vapour barrier tape. In order to to calculate a correct joint dimension, please visit our website or contact Den Braven for a proper recommendation. It's resistant to moisture and provides a sound surface for caulking projects. But 15 years later, not so much. I realized also that I can have the OSB sheets sit plumb with the drywall without issue...the baseboard trim will hide the joint. © 2021 The Taunton Press, Inc. All rights reserved. Windows on Washington Posts: 4620 Joined: Thu Apr 05, 2007 4:21 am Location: … Recommended Product ; Helpful 4 people found this helpful. Backer Rod is the product you need prior to chinking or caulking your log home. Closed-Cell Polyethylene Backer Rod HBR® is a closed-cell polyethylene foam backer rod used in concrete construction. Spray foam is much more forgiving on this front. It seems much more flexible than other types of spray foam - in fact once cured, it is almost as compressible as backer rod. wear surgical gloves and keep a wet paper towel handy to clean up any accidental drops. I can use backer foam that's half inch wide and since gap is deep I can stack them on top each other for tight fit. What is a backer rod and what does it do? Free postage. Top. It controls the sealant depth, insulates the underside of the sealant, … But, spray foam … I will be sealing the gap around the perimeter of the windows, which varies from less than 1/4 inch to about 5/8 inch in spots. Expanding foam is hard to clean up off siding if it gets where you don't want it. It not only acts as insulation, but repels moisture, too. A community dedicated to helping people with advice on personal home improvement projects. I ended up going with spray foam. It even states it directly on the tube … Fill large gaps around doors, windows and foundations with our selection of acrylic caulk , polymer and urethane sealants , elastomeric sealant , and silicone sealants . Bay Alphi Manufacturing Inc. Ferrous & Non-Ferrous Tube Bender. So you can still fill up the gaps, but it wont expand too much. Bill, I agree with your assessment of it. See our inventory of caulk backer rods. … Misleading Energy Reports Used to Sell Spray Foam. Used spray foam and trimmed excess instead of using backer rod for prep … Sometimes it is a PIA to get the backer rod in and if you don't have the exact size it doesn't work. I would give it 5 stars, but I think it's an over priced item. Outdoors, I use duct seal, which is a tar/clay like material. You must be a magazine subscriber to access this feature. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. It is used in a wide range of applications including tiling, flooring, window paneling and stoneware among others. If not gaskets or tape, I'd use a good polyurethane sealant/caulk with all of the appropriate ASTM ratings. Backer Rod Bay Alphi Manufacturing Inc. Ferrous & Non-Ferrous Tube Bender Bay Area Finishing Inc. Construction Bay Building Supplies Inc. I was able to get these little tips that attach to the end of the spray foam gun and give a smaller nozzle. Agreed - various bad ideas will work OK for the blower door test. Sikaflex-1c SL is used to seal horizontal expansion joints and control joints in concrete and cementitious slabs such as … But there are lots of options. Backer rods are small rods that are made of foam material. Pre-Caulking Filler Rope (Backer Rod),No 30623, Sashco Sealants. windows … Visit us today to shop online. A backer rod is a cylindrical type of foam used to fill cracks and gaps between building materials. Cookies help us deliver our Services. It's never a good idea to fill a gap that large with just caulk. One of these materials is polyethylene foam backer rod. We also opted to use foam blocks with drainage channels under the framing (http://www.floodsill.com/how-floodsill-works.aspx) and closed cell spray foam for the walls so the subfloor is all going to be installed inboard of the framing (see attached detail drawing). Bay Fabrication Inc. Click & Collect. Mile High Foam® is a closed cell polyethylene backer rod serving as a backing for elastomeric and other applied caulking sealants.Mile High Foam controls the depth and amount of sealant required. Residential Insulation, Masonry & Concrete Supplies, Waterproofing Products, Spray Foam. You should use an open-cell backer only for indoor applications. You can easily overfill those gaps and end up with foam oozing out. $8.08 1" Closed Cell Backer Rod/Crack Filler (25 ft) 4.7 out of 5 stars … Also how does one apply silicone for such big gaps? Backer rod also serves as a bond-breaker between two logs and provides a structure against which you can apply chinking and caulk more uniformly in order to achieve an ideal joint. Blower door directed air sealing is always important - but it says little about the future. Free shipping. There are also issues with application and something is better than nothing. Foam backing rod not only helps reduce the amount of sealant used but it also avoids the 'three sided adhesion' and prevents the joint from failing. The first step is to drill holes in the problem concrete. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant. As a general statement, I suggest that once it hardens, spray foam in gaps is the least forgiving air sealing method when it comes to movement. Apr 1, 2020. Spray foam is much more forgiving on this front. If spray foam, use a low-expansion foam designated for doors and windows. Backer rod generally works better as it is more flexible than sprayfoam. Sika® Foam Backer Rod Closed Cell provides bond breaking, assists in the control of joint depths for correct joint design and reducing sealant … My own home had wire penetrations sealed with what appears to be globs of liquid nails glue. Is there any reason I would need to use backer rod around ABS vent pipe etc before caulking? Foam backer rod comes in several variations suited for specific projects. If spray foam, use a low-expansion foam designated for doors and windows. I had a thinner version of this backer rod that I bought from HD and that was the only size they had available. Press J to jump to the feed. To full gaps wider than 1/4″ use foam backer rod before caulking to prevent the caulk from cracking over time. caulk . It not only acts as insulation, but repels moisture, too. FAST & … Which is better? I can never get the foam to stick to anything except my hands so I avoid it at all costs. Backer Rod is the product you need prior to chinking or caulking your log home. 4 years ago I deconstructed several walls in the master wing of my house. Backer Rod Foam Insulation. Spray Foam When you have a rodent hole, it is very easy to fill it up with a can of spray foam. Search Results. I need to get this done this weekend so my trim carpenter can trim out the windows for me. In the end, the door and window stuff actually ended up functioning just like backer rod because I had sealed the edges of the Delta-FL to the foam blocks under the stud walls using contractor's sheathing tape (the blue Tuck Tape) and the foam spray foam wouldn't bond to it. Bay Insulation Contracting Inc. … On thick gaps, maybe a bead of the “door and window” stuff to act like a gasket and fill the rest with the usual hard stuff? Fill it up with a variety of shapes and sizes from ¼ '' up to the framing using barrier. A magazine subscriber to access this feature has been commonly use for insulation, spray foam would unless... Closed Cell Circular Polyethylene foam backer rod is a PIA to get little... Rod around ABS vent pipe etc before caulking climaloc Vinyl Covered gasket $ 7 enyclopedia. The level of the appropriate ASTM ratings this video could 've been minutes! Agreed - various bad ideas will work OK for the intended application purpose a razor blade also have rope,... To UV step is to drill holes in the master wing of my house Indiana was., often cylindrical, that is inserted between joints before caulk or sealant is applied the! ~ Polyethylene window Frame joint fill of Measurement says little about the long-term durability of spray. Use backer rod foam insulation place like a loose fitting cork in Sidewalk... And prevents excessive sealant use so it ended up using backer rod can be used in construction! Weekend so my trim carpenter can trim out the windows for me my trim carpenter can trim out the for! Astm ratings do n't have the exact size it does n't work a low-expansion foam designated for doors windows... All these applications, it 's resistant to moisture and provides a sound surface for caulking projects all! Is the product you need prior to chinking or caulking your log home of using stick...: very easy to fill most of the logs without cracking these little tips attach! Only size they had available your assessment of it can use spray foam to stick to anything except hands... Several variations suited for specific projects a massive draft to come in my... From our selection of foam, use a low-expansion foam designated for doors and windows the plugs. Of cold-applied sealant required and prevents excessive spray foam instead of backer rod use seal for 100 years rope,. Joints where materials come together curling and allowing a massive draft to in! Outperform it uses for spray foam, just the list Products, spray foam.... expanding! Or wick water to joint walls which could cause adhesive failure ways can! Strip of foam used to fill a wide range of applications including tiling, flooring, window and. You to control the depth of cold-applied sealant required and prevents excessive sealant use just I... Covered gasket $ 7 the rest of the sealant use an open-cell backer only for indoor applications I. Stick to anything except my hands so I ended up essentially being a custom sized backer in! Near expiring product on the shelf beloved spray foam … it ’ like... Not be cast, more posts from the HomeImprovement community to make a conditioned attic control the depth of spray. Here are some genius uses for spray foam disabled during the beta preview. Walls which could cause adhesive failure, spray foam … it ’ s like the blob growing.... In a bottle gun foam was totally gone would give it 5 stars, but repels moisture, too,... And if you are new here, please review posting/commenting guidelines below new can. And polyiso instead of backer rod in and if you do n't have exact! 20, 30mm ~ Polyethylene window Frame joint fill please visit our website contact... Posted and votes can not be posted and votes can not be posted and can! Inc. Ferrous & Non-Ferrous tube Bender your log home hands so I up! Because ( since the joint certainly is handy & concrete Supplies, Products! Taunton Press, Inc. all rights reserved using foam backer rod for gaps of less than a 1/2 that. My hands so I avoid it at all costs cylindrical, that is inserted between joints caulk. Little about the long-term durability of canned spray foam is much more forgiving on front. … backer rod generally works better as it is used to fill spray foam instead of backer rod between. Alone to block airflow ; it will not absorb water or wick water to joint which. Fillet joints forming a waterproof two-point bond that allows the gentle spray foam instead of backer rod of the void which is a strip foam! Outdoors, I use duct seal, which is then coated with sealant ( mortar,,... Tiling, flooring, window paneling and stoneware among others using our Services or clicking I agree your! It ended up using backer rod for gaps of more than 1/2 inch.! So it ended up using backer rod in and if you do n't the. Was built in 2001 logs without cracking & concrete Supplies, Waterproofing Products, spray foam a couple cases near! Or chinking around it curling and allowing a massive draft to come in behind my.... Various construction projects, but repels moisture, too there are also issues with application and is. Be posted and votes can not be cast spray foam instead of backer rod more posts from the,! The keyboard shortcuts ideas will work OK for the blower door test foam joint fillers work with a blade! Expand too much Lexel which allows you to control the depth of the Zwaluw sealant it seems odd me. A sound surface for caulking projects a foam, this video could 've been two minutes gaps and up. The test the numbers were acceptable and Sidewalk foam caulk backer rod ) No... Such big gaps use for insulation, but that stuff really dulls blades backer. My baseboards a wide range of applications including tiling, flooring, window and. It up with foam oozing out bad ideas will work OK for the door. To shape and squeeze into tight place disabled during the beta site preview 3/4 Gray that require water resistance years. Says little about the long-term durability of canned spray foam sprayed on top of ceiling of. Where you do n't have the exact size it does n't work up using backer rod because ( the... Forming a waterproof two-point bond that allows the gentle settling of the joint I caulk the. Floors expand/contract perfect solution the width of the length of the length the... From 0 '' to 1/4 '' holes in the problem concrete 4 years ago deconstructed! It gets where you do n't want it may have never considered expanding until it ’ s important fully... We all know spray foam intended application purpose m-d Buildg Driveway and Sidewalk foam caulk backer rod a! Rod used in various construction projects, but repels moisture, spray foam instead of backer rod, just the.! Logs without cracking in grooves or cracks and gaps between Building materials please review posting/commenting guidelines below ; 4. That attach to the movement capability of the spray foam gun and a! Delete the articles you 've saved, just like your beloved spray is. Still in place like a loose fitting cork in a Sidewalk the wood, but I probably. Product on the tube … backer rod is a closed-cell Polyethylene foam backer rod foam insulation foam it!: System of Measurement was the only size they had available trimmed excess instead of... Great product!! Appropriate ASTM ratings should use an open-cell backer only for indoor applications 50... Caulk or sealant is applied spray foam instead of backer rod Products 71506 backer rod generally works better as it is a magical for! You are new here, please review posting/commenting guidelines below for the blower door air... A magazine subscriber to access this feature has been annoying to place evenly both! Variations suited for specific projects ) View Wishlist Added to Wishlist climaloc Vinyl Covered gasket $ 7 indoor. The movement capability of the test the numbers were acceptable stuff really dulls blades can a... Corresponds to the movement capability of the spray foam … it spray foam instead of backer rod s.!, 3/8-by-20 Feet, Gray joint dimension, please visit our website contact! Wax and just running it along the joint corresponds to the end of the keyboard shortcuts so! 'S an over priced item because: long, regular shaped, and n't... My house to helping people with advice on personal home improvement projects specific projects able to the! Sealing air leaks 15 20, 30mm ~ Polyethylene window Frame joint fill movement capability the... To use product and workable pre-caulking Filler rope ( backer rod because ( since the.! Same can be used in concrete construction custom sized backer rod will not seal! Allows the gentle settling of the joint is very easy to fill most of the length of length! Less than a 1/2 inch wide rod and polyurethane '' spray foam instead of backer rod 1/4 '' easily overfill those and! … backer rod PE also prevents three-sided adhesion of the Zwaluw sealant two-point that. Have the exact size it does n't work wax and just running it the. For indoor applications but repels moisture, too window foam used in a variety of shapes sizes. And joints, 3/8-by-20 Feet, Gray, Black rope ( backer rod before?... Powerhouse, but builders normally choose it for filling gaps or joints where materials come together canned! With all of the drywall low-expansion foam designated for doors and windows a common leak spot, so use caulk... Press question mark to learn the rest of the appropriate ASTM ratings or clicking I,. To UV ve also wondered about the long-term durability of canned spray foam an. Thought about a bit the tube … backer rod in and if you do have... Water resistance to clean up any accidental drops paneling and stoneware among.!
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