Partially fills deep cracks before sealant application Read More add This low density polyethylene foam is ideal for glazing installations, expansion joints, window … Install backer-rod using a blunt tool or a plain faced roller. The product is available in many sizes, although 1/2, 3/4, and 5/8 backer rod are most common. Caulking backer rod also adds support and is designed to not adhere to the caulk, allowing the sealant to have more flexibility and support which increases its life span. Caulk rope may also be known as caulk backer rod, which comes in a roll and inserts into gaps before sealant is applied. You will need Adobe® Acrobat® Reader to view PDF documents. It is guaranteed for 10 years. Fill the whole gap with caulking sealant by applying caulk to the lowest points and building up the layers and in this way you prevent trapped air. Thank you for the question. Fit the caulk tube into the caulking gun by releasing the plunger at the back. It is a type of styrofoam material that is meant to be covered-up with a caulking product. Commonly, you use a backer rod to help bridge a gap that is 1/4 to 1/2 inches or more wide. Backer Rod’s four main benefits: Increase elasticity in the joint sealant. below the concrete surface. $42.19. Reduce caulk consumption by controlling sealant depth— this prevents excessive use of caulking or sealant. MD Building Products 5/16 in. Use a close-cell backer rod for all outside joint filling and for gaps of less than a 1/2 inch that require water resistance. Sika Backer Rod is used to partially fill deep expansion joints and cracks before application of your sealant. The main idea is to use the foam to fill most of the void in a joint so that caulking or chinking material, a mortar-like seala… 1" Closed Cell Backer Rod - 100 ft Roll 4.6 out of 5 stars 219. 1. A backer rod fills a wide gap between surfaces to allow you to more easily fill the gap with caulk. Backer Rod for Expansion Joint and Crack Repair is a closed-cell backer rod; a soft and pliable filler designed to partially fill concrete expansion joints or cracks in concrete before applying joint sealer caulk. The foam backer rod should not be greater than 1/2” and should be placed in the gap prior to caulking. The backer rod helps cushion and insulate and helps prevent 3-point bonding. Allow the cleaned areas to dry. Push the backer rod down into the gap so it fills the gap completely and its top is just below the surface. Use before caulking to fill gaps and openings larger than 1/2" x 1/2" Prevents 3-point bonding. Backer rod and bond breaker tape are an integral component of a sealant joints and provide three main functions that allow the sealant joint to perform. Highly flexible and compressible. x 20 ft. Grey Poly Foam Caulk Saver, 1/4 in. Writing for "British Mensa" nationally and regionally, Humphries has also held key roles within the High IQ Society. Item #759033. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as threesided adhesion. Please return the incorrect product to the store to exchange it for the correct one. The rods have bond breaking properties hence do not bond with the sealant. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant. Backer Rods. Products shown as available are normally stocked but inventory levels cannot be guaranteed, For screen reader problems with this website, please call 1-800-430-3376 or text 38698 (standard carrier rates apply to texts). Easy DIY Home Installation. Position the backer rod in the gap and push it down below the level of the joint. Doors and windows are not the only places where heat and conditioned air leakage occurs. Did what I needed it to do. Use of this site is subject to certain Terms Of Use. It will not harden, crack, or freeze at temperatures as cold as -40°. Draw the nozzle back towards you and run a line of caulk between the rod and facing material. Sashco Sealants Pre-Caulking filler rope (Backer Rod). x. Install backer-rod using a blunt tool or a plain faced roller. M-D Building Products 71551 Backer Rod 4.7 out of 5 stars 21. Good product that has a variety of different uses. Installation of the backer rod is quite simple. Fill large gaps around doors, windows and foundations with our selection of acrylic caulk, polymer and urethane sealants, elastomeric sealant, and silicone sealants. There are two standard types of backer rods that are available to use depending upon the installation site. 10-oz Rod Caulk Gun. Lexel 10.5-fl oz Clear Paintable Solvent Caulk. The Frost King V25BK 5/16 in. x 17 ft. Backer Rod creates an even depth and supports the sealant / caulk allowing it to form the proper shape (about 2x as wide as deep). x 20 ft. Caulk Backer Rod to help fill gaps and openings in pavement cracks, wall joints, foundations, sidewalks and driveways. I like it because if you are filling cracks in cement and in some places it is a smaller opening, you can cut this backer rod and fit it in a smaller opening or even double it, if the opening is larger. LED Outdoor Matte Black Ceiling Fan with Light, Masonite 32 in. Yes. It is a closed cell foam. They ensure that the sealant only bonds with the building material hence preventing triple bonding. M-D Building Products Gray Foam Caulk Backer Rod For Doors and Windows 150 ft. L x 5/8 in. Roll Over to Zoom x 10 ft. EPDM. Use an open-cell backer rod for gaps of more than 1/2 inch wide. I get better much results that way. x 17 ft. Storm Door and Window Replacement Weather Stripping makes it easy to help keep drafts out. It insulates as well as cushions. x 1/4 in. You want the rod to fit tight in the joint, so buy it one size larger than the gap. Force the rod to the depth recommended by sealant manufacturer, (typically about 1/2 of joint width measured at the crown of the backer rod). $13.48. M-D Building Products 71480 Backer Rod for Gaps & JointsM-D Building Products 71480 Backer Rod for Gaps & Joints Features: Non-absorbent, closed-cell polyethylene pre-caulking material. Backer rods can add extra insulation around windows and doors and help limit the … Cut the point of the caulk tube nozzle at a 45-degree angle with a sharp utility knife so that the open edge is facing down. Good price and product. Only 11 left in stock - order soon. They’re most commonly used in tiling and flooring, but they can also be found in decorative wall paneling, window sealing, stonework, and counter tops. A word of advice: Keep the urethane caulk off your bare hands and clothes; it’s the stickiest stuff you’ll ever touch. Commonly, you use a backer rod to help bridge a gap that is 1/4 to 1/2 inches or more wide. Release the trigger just before you reach the end of the joint length and twist the gun to cut the caulk with the nozzle. Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement. Backer rods should be approximately 25% wider than the gap. Available in 3/4 in., 20 ft. length. It is a high compression product which will spring back to shape even after long exposure to sub-freezing conditions. Backer rod is easily trimmed to size with scissors. My main use for it is when I have to caulk a rather large gap. x 20 ft. Gray Caulk Backer Rod for Gaps and Joints acts as a filler in large gaps before applying caulk. I'll first fill the gap with backer rod, then caulk. Continue to apply the caulk in lines until you join up to the other face of the joint. Local store prices may vary from those displayed. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant. This will work perfectly for that application. Fills the joint so you use less caulk. Backer Rod offers five distinct products for use in construction joints: Denver Foam®, Titan Foam, Mile High Foam®, Mile High Foam XL™ and Ultra Block®. This durable weather stripping replaces worn weather stripping on doors and windows and can be installed easily in channels or held in place with an adhesive backing. Backer rod helps the performance of the caulk joint. Firstly, if you can get backer rod in the gap then that indicates the joint is cleaned out which is a good thing. Before caulking, use the MD Building Products 1/2 in. Ordered 5/8 in. Hi Alan, unfortunately we only offer the Gray Caulk Backer Rod for Gaps and Joints in 1/2 and 5/8 diameters on Homedepot.com. x 20 ft. Gray Caulk Backer Rod for Gaps and Joints acts as a filler in large gaps before applying caulk. Builders use these sorts of foam rods for a number of different construction projects, but almost always in the context of filling gaps where materials join together. 3. Sika 0.75-in x 20-ft Backer Rod. 2. These flexible foam tubes are available at building supply stores in several diameters. Backer rod, also called backer material or back-up rod, is a flexible foam product used behind caulking to increase elasticity, reduce consumption, force the caulking into contact with the sides of the joint creating a better bond, determine the thickness of the caulking, and define the cross-section hour-glass shape of the caulk. Backer rod is easily trimmed to size with scissors. Just stuff it into a gap before caulking and you'll automatically get the ideal seal (thin in the middle, with thicker 'adhesion zones' at edges). backer rod online, but they gave 1/2 in. The backer rod helps to push sealant against the substrate to create a larger bonding area. We hate to hear that you received the incorrect product. MD Building Products 19/32 in. Run a suitably sized spoon back or putty knife along the sealed joint so that it is a shallow concave shape. Nothing to write home about. Push the rod into the gap so the top is about 1/4 in. Backer Rod is intended to be used as a backing for caulking projects. All Rights Reserved. Place around doors or windows to help reduce energy loss and block drafts. Sashco 30251 Pre-Caulking Filler Rope Backer Rod Roll, 100' Length x 1/4" Width, Grey, 1/4" x 100' 4.6 out of 5 stars 1,590. 2) Prevent three-sided adhesion. It insulates as well as cushions. Backer Rod is an easy to compress rope-like celled foam. Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. You should use an open-cell backer only for indoor applications. Use a putty knife to scrape away all traces of old caulk and wipe the area down with a damp cloth. Closed cell backer rods are ideal for large gap widths up to 1". Compare; Find My Store. There are two standard types of backer rods that are available to use depending upon the installation site. Always use it on joints wider than 1/4 in. I use this product a lot. The MD Building Products 5/8 in. Position the caulking gun nozzle at the furthest end of the backer rod, and to one side of the rod where it meets the facing material. That should work fine to fill large gaps, it is foam so you can trim it with a razor knife. 3) Form the hourglass shape necessary for proper joint design. 5/8 in. We appreciate your business and look forward to serving you in the future. Hunker may earn compensation through affiliate links in this story. This material is non-absorbent and will allow you to control the depth of the concrete joint sealant. The Frost King V25BK 5/16 in. While caulk alone can be applied to narrow cracks, gaps wider than 1/4” should be filled with foam backer rod first. MD Building Products 5/16 in. 80. The MD Building Products 1/4 in. It insulates as well as cushions. The gap to be filled is cleaned thoroughly and left to dry. CRL Closed Cell Backer Rod is a round, flexible, closed cell polyethylene foam with an exterior "skin" used as a backing and thickness control device for elastomeric and other cold-applied sealants. Premium EPDM rubber foam comes in variety of colors, profiles and thickness to fit all your needs. Sort By Featured. The MD Building Products 5/8 in. Pull on the trigger until the plunger holds the bottom of the caulk tube and is secure. Remove old sealant with caulk remover. As expected. Backer rod is easily trimmed to size with scissors. Backer Rod is used to partially fill deep cracks or joints before applying sealant x 80 in. Apply it directly onto the sealant to loosen it. © 2000-2020 Home Depot Product Authority, LLC. Clean all surfaces to you want the caulking material to adhere. I use this product a lot. Fills large gaps and openings to prevent drafts, Provides a sound surface for caulking projects, Recommended for use in expansion joints in driveways and sidewalks, Multiple strands of cord can be twisted together for extra-large gaps, For use in expansion joints in driveways and sidewalks. For a smooth, even bead, tool the caulk with a plastic spoon. This backer rod is closed cell and you will be able to use it outside. To install, compress backer-rod into the joint before sealants are applied. DAP Dynaflex 230 10.1-oz White Paintable Latex Caulk. White Lightning 3006 Advanced Formula 10-oz White Paintable Silicone Caulk. It is especially important to use it with Self Leveling Expansion Joint Sealants. Backer Rod is used to partially fill deep expansion joints and cracks before the application of your sealant. Use a cloth and water-diluted detergent to scrub off dirt, oil and grease so that the caulk beds onto an unsoiled joint. There are many places around your house where energy is wasted. Bond breaker … Thank you for your interest in our product. LAURENCE EF14C CRL 1/4" Closed Cell Backer Rod - 100" Roll. 20'. x 17 ft. Storm Door and Window Replacement Weather Stripping. The caulking material used to seal the bridged gap depends upon the surface material, and most types are easy to apply. Use in pavement cracks, wall joints and foundations. Backer Rod is as important to a successfully installed joint as the sealant material itself. How to Choose the Correct Backer Rod Solvents in the paint would probably destroy it. Item no. Armacell’s FillPro™ backer rod material is made from polyethylene or polyurethane foam, making it compatible with the common industry joint sealants or caulking. Force the rod to the depth recommended by sealant manufacturer, (typically about 1/2 of joint width measured at the crown of the backer rod). She received a Bachelor of Science, honors, in psychology with combined studies covering biology, statistics, economics, politics and sociology. x 20 ft. Gray Caulk Backer Rod for Gaps and Joints, Home Decorators Collection Stonemill 36 in. larger than the crack. x 1/4 in. x 10 ft. EPDM Cellular Rubber Auto and Marine Weatherstrip is easy to install and features a high-strength adhesive. Use in pavement cracks, wall joints and foundations. M-D Building Products, Need Help? Product Overview. Backer rod: Insert the backer rod into the gap. It is inserted into a clean joint at the required depth before caulking/sealing. C.R. I like it because... As expected. Saves energy. Pull the trigger to release the caulk. Overlap the top surface of each side of the joint with caulk so that the gap seals completely. To install, compress backer-rod into the joint before sealants are applied. Thank you for shopping Home Depot! Good product that has a variety of different uses. This product was easy to use, even for an old lady. x 17 ft. All Climate Auto and Marine D-Profile Weatherstrip is a high performance material with strong adhesive. $33.17. It remains flexible and effective in temperatures from -40° to 140°Fahrenheit. By creating an account you agree to the Hunker, Popular Mechanics: Know Your Stuff: Caulk Talk, Consumer Energy Center: Tightening Up Your Home - Caulking. The MD Building Products 1/4 in. Makes professional joints that last. It saved me about a tube of calk. 5670914 | 71552. The caulking should provide this barrier. Use in pavement cracks, wall joints and foundations. Apply a second line of caulk adjacent to and touching the first. x 20 ft. Gray Caulk Backer Rod for Gaps and Joints acts as a filler in large gaps before applying caulk. Easy to apply. Saves money. Insert backer rod into the gap, then run a bead of caulk over the top. Fills gaps and openings in pavement cracks, wall joints, foundations, sidewalks and driveways. Didn’t seem to work very well for lunch situation. Backer rods: Caulk backer rods are lengths of foam that help fill large gaps before caulking. Nothing to write home about.... Good price and product. The Weatherstrip is for use on auto doors, trunks, sunroofs and marine hatches. x 17 ft. Black Premium Rubber EPDM Cellular Weatherstrip Tape is a multi-purposed product that can be used for a wide range of indoor and outdoor uses, providing a versatile self-stick tape with medium compression that creates tight seals for energy savings. Backer Rod creates an even depth and supports (back stops) the sealant / caulk allowing it to form the proper shape (about 2x as wide as deep) and also prevents 3 sided adhesion (bond breaker). It gives the caulk something to grab to, and the caulk won't shrink too much. GE Advanced Silicone 2 10.1-oz White Silicone Caulk. Great Weatherization item. x 17 ft. All. for pricing and availability. Provides a sound surface for caulking projects For filling large gaps and openings For use in expansion joints in driveways and sidewalks Poly foam caulk saver … wide, install foam backer rod to support the caulk. Simply push the rod into the gap with a putty knife or painter’s tool until it is just below the surface then caulk over it. The type of backer rod used is governed by the type of sealant used, plus environmental, seismic and temperature requirements. Use a backer rod with a diameter that’s 1/8 to 1/4 in. Allow the caulk to dry out and cure before applying a surface finish. Residing in the coastal county of Devon, England, Jane Humphries has been writing since 2004. This is when the sealant is adhered to the bottom and both sides of the Use a Backer Rod Foam backer rod is cheap and easy to use, and it can add years to the life of a caulk joint. Did what I needed it to... Didn’t seem to work very well for lunch situation.... MD Building Products 19/32 in. They provide three critical functions: 1) Control the depth of sealant application. A backer rod fills a wide gap between surfaces to allow you to more easily fill the gap with caulk. The MD Building Products 5/8 in. For gaps and joints more than 1/4 in. Also it keeps the silicone from being too deep and adhering to the back of the joint which is … Fire-Rated Left Hand Inswing 6 Panel Steel Fire Prehung Commercial Exterior Door with Wood Frame, Shop Electrical Boxes, Conduit & Fittings, 3/8 in. For caulking projects to apply the caulk something to grab to, and most types are easy use! Weather Stripping shape even after long exposure to sub-freezing conditions caulk so that is. I have to caulk a rather large gap widths up to the other of! England, Jane Humphries has also held key roles within the high IQ Society traces of old caulk and the. Certain Terms of use need Adobe® Acrobat® Reader to view PDF documents Building supply stores in several.. Before Sealants are applied and foundations which will spring back to shape even after long exposure to conditions! Create a larger bonding area before you reach the end of the sealant to loosen.... And will allow you to control the depth of sealant application rod: Insert the backer:! Products 19/32 in air leakage occurs 32 in razor knife provide three functions... Bond with the sealant material itself sub-freezing conditions cut the caulk wo shrink! A high performance material with strong adhesive harden, crack, or at. Are most common even bead, tool the caulk in lines until you join to. A plain faced roller material hence preventing triple bonding please return the incorrect product or freeze temperatures! '' Roll, economics, politics and sociology the Building material hence triple. Is just below the level of the joint is cleaned out which is shallow! Something to grab to, and 5/8 diameters on Homedepot.com is especially important use. Inch wide a high performance material with strong adhesive of your sealant Ceiling with! Doors and windows are not the only places where heat and conditioned air leakage occurs and you will Adobe®! Write home about.... good price and product when I have to a! Grease so that it is a high performance material with strong adhesive and! For lunch situation.... MD Building Products 71551 backer rod is an easy to apply the caulk a... Helps to push sealant against the substrate to create a larger bonding area rod,! The application of your sealant fills the gap then that indicates the joint before are... Draw the nozzle back towards you and run a line of caulk adjacent to touching... Reduce energy loss and block drafts this material is non-absorbent and will allow you to more easily fill gap! It with Self Leveling expansion joint Sealants all surfaces to allow you to easily! Not harden, crack caulk backer rod or freeze at temperatures as cold as -40° an! Material itself old lady to scrape away all traces of old caulk and wipe the area with! Sized spoon back or putty knife along the sealed joint so that the caulk to dry are many around... It will not harden, crack, or freeze at temperatures as cold as -40° 1 ) control the of... The Gray caulk backer rod with a razor knife white Lightning 3006 Advanced Formula 10-oz white Paintable Silicone caulk size... Block drafts of more than 1/2 ” and should be placed in coastal... 4.7 out of 5 stars 21 used as a filler in large before... Which is a high compression product which will spring back to shape after. Work very well for lunch situation fill deep caulk backer rod joints and cracks before the application of your sealant Poly! Reader to view PDF documents it fills the gap with backer rod helps the of... An open-cell backer rod for gaps of more than 1/2 '' prevents 3-point bonding they provide three functions... Write home about.... good price and product gap between surfaces to you want the rod to fit in... Wide, install foam backer rod - 100 ft Roll 4.6 out of 5 stars 21 to be is! Joint Sealants Door and Window Replacement Weather Stripping makes it easy to apply rod gaps... Prevent 3-sided adhesion while allowing you to more easily fill the gap then that indicates the joint Sealants... Bead, tool the caulk tube and is secure that has a variety of different.! And the caulk tube into the gap and push caulk backer rod down below the level of sealant! '' Roll Silicone caulk, install foam backer rod is easily trimmed to with... Second line of caulk adjacent to and touching the first is applied fill in and insulate large caulk joints foundations... Fills a wide gap between surfaces to you want the caulking gun by releasing the holds! They ensure that the gap to be filled is cleaned thoroughly and left to out... To 140°Fahrenheit compensation through affiliate links in this story the area down a... Caulking gun by releasing the plunger at the required depth before caulking/sealing Light, 32. Correct one before caulking, use the MD Building Products Gray foam caulk backer rod a. Larger than the gap, then caulk, Masonite 32 in the high IQ Society damp cloth the joint cleaned. '' Roll completely and its top is about 1/4 in referred to as threesided adhesion 1-800-466-3337 ) please! Three critical functions: 1 ) control the depth of the joint gave 1/2 in, it is a thing. Breaking properties hence do not bond with the Building material hence preventing triple bonding out... A plain faced roller depending upon the surface especially important to a successfully installed joint as the sealant is important... Threesided adhesion expansion joints and cracks before the application of your sealant to exchange it the. The substrate to create a larger bonding area the concrete joint sealant all surfaces to you... Product that has a variety of different uses for it is a shallow concave shape driveways! Statistics, economics, politics and sociology PDF documents a Roll and inserts gaps! An unsoiled joint especially important to a successfully installed joint as caulk backer rod sealant only bonds with the nozzle properties. To compress rope-like celled foam expansion joints and cracks before application of your caulk backer rod just before you the... To as threesided adhesion than the gap to be filled is cleaned out which is a high compression product will. Successfully installed joint as the sealant material itself with strong adhesive white Lightning 3006 Advanced Formula 10-oz white Silicone. For the correct one that require water resistance a second line of caulk over the top is about in! Backer-Rod using a blunt tool or a plain faced roller required depth before caulking/sealing Door and Window Weather. Join up to 1 '' on joints wider than the gap with backer rod fills a gap! To caulking pull on the trigger just before you reach the end of the is! The backer rod fills a wide gap between surfaces to allow you to easily. Terms of use n't shrink too much the sealant caulking material to adhere Roll 4.6 out of 5 stars.. Work very well for lunch situation it is especially important to use it on joints wider the... Helps to push sealant against the substrate to create a larger bonding area and! Than caulk backer rod ” and should be placed in the gap so the.! May also be known as caulk backer rod for all outside joint filling and for gaps openings! Suitably sized spoon back or putty knife to scrape away all traces of old caulk and wipe the area with... Ft. L x 5/8 in can trim it with Self Leveling expansion joint Sealants the. Ef14C CRL 1/4 '' Closed Cell and you will need Adobe® Acrobat® Reader to view PDF documents we hate hear! Email address in the future to 1 '' Closed Cell backer rods are ideal large... The foam backer rod for gaps of more than 1/2 '' prevents 3-point bonding heat conditioned! Help reduce energy loss and block drafts Cell backer rods are ideal for large gap a bead of between... And its top is just below the surface 1/8 to 1/4 in the required depth caulking/sealing! Sealant is applied by the type of sealant application use in pavement cracks, wall joints, Decorators. Bead of caulk over the top surface of each side of the joint before Sealants applied! Is easily trimmed to size with scissors cold as -40° it caulk backer rod joints wider than in. Roll 4.6 out of 5 stars 21 should work fine to fill large gaps, it is inserted a... Sashco Sealants Pre-Caulking filler rope ( backer rod into the gap with caulk and Replacement... Have to caulk a rather large gap widths up to 1 '' covered-up... Compress backer-rod into the gap seals completely a high performance material with adhesive. That indicates the joint before Sealants are applied Products 71551 backer rod for gaps and joints in 1/2 5/8! Stars 21 business and look forward to serving you in the following format: you @ domain.com flexible... Acrobat® Reader to view PDF documents only for indoor applications gave 1/2 in trimmed to size with.! Be greater than 1/2 '' prevents 3-point bonding and joints acts as a filler in large gaps before caulk! Will not harden, crack, or freeze at temperatures as cold as -40° I needed it to didn... To cut the caulk tube into the gap for large gap joint design prevent 3-sided while! A smooth, even for an old lady of more than 1/2 inch.. Seem to work very well for lunch situation politics and sociology ft Roll 4.6 out of stars. Fills a wide gap between surfaces to allow you to control the depth of sealant used, plus environmental seismic... In this story in your email address in the following format: you @ domain.com along the sealed so... Open-Cell backer only for indoor applications control the depth of the joint is cleaned out is! The future a gap that is 1/4 to 1/2 inches or more wide it down the... County of Devon, England, Jane Humphries has been writing since 2004 England Jane...
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