It saves money. It is inserted into a clean joint at the required depth before caulking/sealing. Sashco 30100 Pre-Caulking Filler Rope Backer Rod, 3/8-Inch x 20-Feet, Gray. It if fine to take it to the ceiling too. However as far as backer-rod is concerned you can use back-rod in a shower. Most of these joints are saw cut and approximately 3/8" wide. Push the appropriate size backer rod into the gap, below flush with the surface. Visit us today to shop online. 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. for pricing and availability. The surface of the Backer Rod must be behind the surface of the wall facing you. A gap between your tub and the wall it adjoins is actually left there on purpose. Any gap larger than 1/4" should first be filled with backer rod (it's flexible, foam-like rope), prior to caulking. Wipe hands & tools thoroughly before washing. Sort By Featured. Reading the instructions, it seems as though the silicon sealant I bought was good for just about anything, as long as it didn't involve caulking the tile line on the edge of the tub. If using a water-based caulk, smooth it with a damp sponge or rag. If the joint or crack to be sealed is 1/4" wide or wider, it is best to install a foam backer rod in the joint — to the proper depth — before applying the caulk. Caulk over the backer rod for a long lasting repair. If you have a large gap between the tub and the shower tiles, you can use "backer rod", which is made just for this purpose to fill the gap first, giving the caulk a good surface back up against. Backer Rod is an easy to compress rope-like celled foam. One of the best ways to save energy in your home is by caulking any cracks around windows and doors. 4.5 out of 5 stars 136. See our inventory of caulk backer rods. Item #759033. Get it as soon as Mon, Dec 14. Backer Rod’s four main benefits: Increase elasticity in the joint sealant. It limits the depth of the sealant, thereby preventing excessive use of the sealant, which promotes proper joint design. Apply it to the wall with the bottom edge about 1/4 in. PIERCE INNER FOIL SEAL. 3. £54.34 inc. VAT View Product. Closed Cell Backer Rod Sika Backer Rod is used to partially fill Sika Backer Rod is used to partially fill deep expansion joints and cracks before application of your sealant. For gaps larger than 1/4 inch, you'll need to use a spray foam or backer rod to fill larger gaps, and then follow up with caulk. Backer Rod is extruded closed-cell polyethylene rod that is used in cracks, checks and gaps before filling them with log sealants such as Perma-Chink, Energy Seal, Woodsman and Check Mate 2. Builders and contractors often use this tool initially in grooves or cracks and then they apply mortar, sealant, or chinking around it. If you can learn from my mistakes in using backer rod, make sure it's fully inserted in the gap so no edge sticks out into your caulk plane. The industry standard is to use 1/2-inch-thick backer board on wall tile installations, such as a tub surround. Push foam backer rod into the crack. don't leave room to tuck backer rod in where it is needed. Compare; Find My Store. The backer board should overlap the tub flange so the tile has a stable backing to attach to. Screw in backer board using roofing nails and approved screws. 33. FREE Shipping on orders over $25 shipped by Amazon. Everbuild Sealant Polyethylene Foam Backer Rod 30mm 160m BACK31 Roll Box ... Everbuild Wonder Wipes Antibacterial 100 Wipe Tub WIPE80. Then apply a generous amount of thin-set to the bottom bathtub tile and position it 1/8 in. There should be a 1/4" to 3/8" wide notch, with depth a bit more than the width -- this would be perfect for caulking with backer. This is called an expansion joint and allows for some movement between the tub and the wall. Manufacturers of most sinks, toilets, tubs etc. You do not want the Backer Rod to protrude past the surface of the tiles that are being worked with. With Backer Rod Manufacturing Inc. being one of the largest manufacturers of backer rod materials in the world and Bay Foam Products Inc. the industry leader in the custom polyethylene foam extrusion product market, we have the capability to support and serve you for your project. They are a pain to get flush so use roofing nails for the rest (need at … Arrives before Christmas. Closed-Cell: For joints susceptible to the presence of moisture prior to joint sealing such as horizontal joints. Cut nozzle to obtain desired bead size. After you have pushed the backer rod into place, apply caulk on both sides of the rod to secure it in place. Backer Rod is available in two basic forms: Closed-Cell and Open-Cell. 80. This stuff isn’t paintable, so it’s really meant for bathrooms and spots that will get wet (as opposed to around trim). First every piece should have 6-8 screws. Shop Sika 0.75-in x 20-ft Backer Rod in the Backer Rods department at Lowe's.com. Sika 3/4 In. For example, base of a tub, base of a toilet. Use only as much caulk as you need. Reduce caulk consumption by controlling sealant depth— this prevents excessive use of caulking or sealant. These foam joint fillers work with a variety of caulks and elastomeric sealants. While caulk alone can be applied to narrow cracks, gaps wider than 1/4” should be filled with foam backer rod first. Force adhesive into contact with the sides of the joint creating an hour-glass shape for a superior bond. For backer rod size you generally want 1/8" larger than the joint size, so 3/4" backer rod in this case. $10.33 $ 10. But with many non-organic shower backer boards available as alternatives, there is little reason to use greenboard. above the lip of the tub. Most caulk comes in a tube that requires a caulk gun, which consists of a “trigger” that drives a … The Backer Rod becomes an integral part of the joint into which it is installed, and therefore is available in a range of diameters to accommodate joints from 3/16" to 1-5/8" (5 to 41 mm). We carry a large selection of items, both commercial and residential, including "niche" products; if you are looking for something that you haven't found in our Store, let us know and we will be happy to assist in finding the right item for you. This requires shimming the backer board out from the studs so the wall is plumb. Mar 4, 2017 - How to Seal Large Gaps Between the Tub and the Wall. The rod … Use an open-cell backer rod for gaps of more than 1/2 inch wide. Best to make sure it's not an issue before caulking. The design depth keeps the sealant below traffic contact and vacuum lift created by fast moving vehicles. Once I got the backer rod in, I prepped the caulking gun with a tube of white 100% silicone caulk. In some cases, you may need an L-shaped tub flange to fill in a gap between the wall and your bathtub. Use backer rod for gaps larger than 1/2" x 1/2". It helps prevent 3-sided adhesion above the tub. Backer Rods. It is used in a wide range of applications including tiling, flooring, window paneling and stoneware among others. The vertical portion of the flange will point towards your ceiling, while the horizontal part will attach to your tub’s edge. Using caulk gun, apply sealant into gap. Sika 0.75-in x 20-ft Backer Rod. Upon closer reading, I also discovered that--along part of the seam--I should have used a backer rod. Backer Rod creates an even depth and supports the sealant / caulk allowing it to form the proper shape (about 2x as wide as deep). If using a silicone caulk, smooth it with a damp finger. This is not true. Plywood: Plywood alone cannot be used as a substrate under tile in showers. Welcome to TechnologyLK's eBay store. Backer Rod is used to partially fill deep expansion joints and cracks before the application of your sealant. Flange on the tub is behind the wallboard, the wallboard has liquid waterproofing on it, and there’s foam backer rod at the back of the gap to avoid a 3 … Cement backer board comes in two standard thicknesses, 1/2 inch and 1/4 inch. Reasons to Use a Backer Rod. To full gaps wider than 1/4″ use foam backer rod before caulking to prevent the caulk from cracking over time. Everbuild Sealant Polyethylene Foam Backer Rod 25mm 200m BACK25 Roll Box. A backer rod is a small foam rod or cord that is used to fill joints between tiles or other pieces of building material. £59.58 £45.28. Other options New from $5.36. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant. Step 5 Smooth the caulk as you go. Caulk joints should not be more than 3/8" thick. It's stupid!! The Backer Rod must be snug against the wall and the tub so you will need to select a Backer Rod that is thicker than the largest gap in your repair job. Step 4 Put a surface bead of caulk over the filled gap. There should be a 1/4" gap between the tub ledge and the backer board. In all these applications, it is used for three major purposes. Remove dirt, grease, moisture, soap residue & old sealant from area to be sealed. The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area. Backer rod is usually found with weather stripping. The plastic should go a few inches into tub deck and above your highest backer board. As for what type, I'd go with closed-cell for less possibility of water absorption. Backer Rod. I've sometimes failed to get the rod into the gap and when I smoothed the applied caulk, the backer rod was visible. 3/4 in. Denver Foam® is an open cell backer rod allowing air to reach both sides of sealant, assuring you the required complete cure. Some homeowners believe that painting or priming plywood will render it suitable to use as shower/tub backer board. Smooth with a gloved finger or “tool” the caulk into gap. Position the backer rod in the gap and push it down below the level of the joint. Using foam backer rod to fill a wide crack before caulking. Celebrat 3 Ply Disposable Protective Face Mask Bacterial Filtration 95% 10pk. If joints are wider than about one-fourth to three-eighths of an inch, stuff the seams first with caulk backer rod, a foam-type material that comes in rope form. Available in 3/4 in., 20 ft. length. To caulk wide gaps: Clean out the crack to remove any debris. 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