75 (5 %) (54). Oakum Super Golden. Masonry surfaces must be fully cured (min. 6. Standard. One of these materials is polyethylene foam backer rod. 49. Foam Standard Backer Rod, For Expansion Joints, Thickness: 6mm To 60mm. Butyl sealant is suitable for a range of butyl sealing applications where low movement occurs. Hour Glass and Tension in Backer Rod Caulk · Sika Emseal. soudal expanding foam b&q; temflex 165 vs 1700; 3m vinyl floor marking tape; ardex sd-m gray; ge sealants canada;M-D Building Products 20 Gray Foam Backer Rod for Medium Gaps and Joints 71480 The Home Depot. Polyethylene Sealants Foam Round Shape Rods Backer Rod Size 10 MM | Length : 5 Meter | Color : White | Shape : Round. PRODUCT NAME DENVER FOAM® 2. 00. Provides a sound surface for caulking projects. 99 (9) £20 - £49. M-D Building Products 71506 - Versatile Caulk Backer Rod Set 5/8" x 20' inch, Gray - Essential Foam Rods for Precise Caulking and Sealing 4. VIEW WOOD REPAIR BY BRAND. Insert into a joint to control sealant depth & create a backstop to allow proper depth of sealant ready for tooling,HardieBacker with HydroDefense Technology 3 ft. If necessary, use the blunt tool or roller to secure backer rod in the joint. Backer rod is essential for caulking projects as it serves as a versatile tool. Order No Nonsense Expanding Foam Hand-Held 750ml at Screwfix. There are several acceptable applications of cement board in the shower. £48. 99 ($0. The round profile assists in providing the correct joint sealant profile allowing optimum movement. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. Also known as aluminium round bars, our aluminium rod b&q are supplied in the 6000 series, which offers the most versatility commercially available. Will not absorb water. UniBond Healthy kitchen & bathroom Light Grey Silicone-based Sanitary sealant, 300ml. Starting at £17. 11 (exc VAT) Click here for more info. Easyfix A2 Stainless Steel Threaded Rod Connecting Nuts M12 10 Pack (5565G) (16) compare. This item: 1/2" Diameter x 100' Length Backer Rod Caulk Saver Foam Backer Rod for Gaps and Joints Backing Rod Concrete Filler $26. For insulation, stopping draughts, filling gaps & dampening sound. • Dust-free and easy to cut with a utility knife. GoodHome Alisma White Edging tape, (L)10m (W)19mm. Fills large gaps and openings to prevent drafts. Shop Frienda Backer Rod Foam Rubber Caulk Saver Concrete Expansion Joint Filler Weather Strip Seal for Gaps and Joints (Grey,3/4 Inch x 20 ft). M-D 6-3/4-ft x 1/2-in x 3/4-in Brown Top and Sides Replacement Seal Foam Door Weatherstrip in the Weatherstripping. Price: $38. 7 out of 5 stars 1,199 $4. 750 ml. Bailey - 1324 Lockfast 3/4in Drain Rod Set 4 Tools. A 1/2-inch thick, 3 x 5 foot sheet weighs just 7-1/2 pounds, compared with 45 pounds for a similar size sheet of cement board. August 2018 ˚ ˚ ˝ ˚ TECHNICAL DATA SHEET DENVER ˙FOAM ® OPEN CELL POLYURETHANE BACKER ROD 1. Wish List. M-D Building Products 3/8 x 240 Interior/Exterior Gray Foam Backer Rod for Small Gaps and Joints 71464 The Home Depot LOWES 4139434 Sierra Pale Oak Instruction Manual Sika x 25-ft Polyethylene Concrete Expansion Joints in. MPN: BACK19. Makita DCG180ZBK Electric Cordless Caulking Gun 600ml. trimaco heavy duty paperstile tools accessorieselectric underfloor heatingunderfloor heating. Apply suitable sealant fully over the backer rod and smooth it with a tool for a uniform finish. Specific Uses: TITAN FOAM™ is suited for specialty applications such as irregular and varying joint widths. Tile backer boards, also known as concrete boards, make up the foundation of your wet room, providing a waterproof base on which to place your tiles. Dia. Shop Everbuild Foam Sealant Joint Backer Rod 10mm x 10 Metre. 00. Draper Polypropylene Drain Rod Set in Case, 9m (13 Piece) 53856. Model # A11240848096. cr foam neoprene rubber; bathroom wall cabinet 20 inches wide;. Backer Layer The final backer layer provides additional support and stability. EVERBUILD® EVERFLEX® 115 GP Building Mastic is an oil-based compound intended for general pointing and sealing of many joints in traditional forms of construction. 1000mm. Manufacturer 2X Mobile 30 Watt 360 Electrical 3M A/C Pro A/C Safe AA Thrrust oleum pisos y azulejos; how much is spray paint at dollar general; best paint for formica countertops; 017 airless tip; marble wallpaper for floorStair rods for Carpets up to 28/32/36 inches Width Minimalist Style Stair Carpet Runner Rod Set with Spherical Finial and Brackets Easy Install to Secure Stair Carpet (1 Pack, Black 28 inches). Foam backer rods are generally available in various sizes in the range between 1/4 and 3 inches (6-75mm). com. $0. It must be oversized (25 percent) to fit tightly into the joint, and function as a bond breaker to prevent bottom-side adhesion of the sealant. £0. 6917) is a rod Foam rope used to partially fill large cracks, gaps and joints before applying sealant. Before caulking, use Backer Rod to help fill gaps and openings in pavement cracks, wall joints, foundations, sidewalks and driveways. 93 ($0. Easy use. More Options Available $ 19109. Free next day delivery or click & collect from store. Free delivery on eligible orders. Price/Carton. 5m - Black at Homebase. 99 $ 16 . 2pk Drain Snake Unblocker 100cm, Kitchen Sink Unblocker Tool Plumbing Snake Shower Drain Unblocker Tools for Kitchen Sink & Drain. However, as we previously mentioned, it is important to select the proper size based on the type, as follows: Open cell: about 50% wider than the joint. Sika x 25-ft Polyethylene Concrete Expansion Joints in the Concrete Expansion Joints department at. This creates a backstop to allow proper sealant tooling and proper sealant of the joint surfaces. The thicker the insulation, the better it will be at regulating temperature and. Nomaco LF Piece 2" Closed Cell Sof Rod. Colour: Grey. Typical Properties Property Value Test Method Density (nominal) 1. Fills gaps and openings to prevent drafts. Find My Store. Colour & Numerically Coded by Thickness. 37 (inc VAT) Each. • Cement backerboard provides a solid foundation for walls, floors and countertops in bathrooms, kitchens, laundry rooms and more. Our stocked range of Ultracolor grout colours are maunfactured to a very high level from Italian tile specialists Mapei and are used throught the. co. It is chemically inert and will resist. Nylon Rods. Related searches. foam backer rod sizes; right price tiles locations; blackboard chalkboard wall sticker; 2k clear coat supercheap auto; best paint sprayer for furniture 2021; dark grey blue paint dulux; edge spray system; light sky blue paint color; antique furniture stores miami fl; black and silver damask wallpaper; hdx plastic sheeting 20 x 100; can you. Sort by: Geocel Foam Gun Applicator Gun (6) £28 . , 20 ft. 4/5. Sika® Foam Backer Rod Open Cell Author: Sika Australia Pty Limited, ABN 12 001 342 329, aus. TP610 Duo Impregnated Foam Tape - Anthracite (20/3-6) Rating: £14. Frost King 17-ft x 1/4-in x 3/8-in Brown Rubber Foam Window Weatherstrip (2-Pack) M-D x 20-ft Closed Cell Backer Rod, Gray in the Concrete Expansion Joints department at. Sika 291I General Purpose Adhesive - White (300ml) Rating: Find complete range of Doors Stops & Retainers at Dortech Direct Ltd. The Backer Rod becomes an integral part of the joint into. HardieBacker board is the ideal cement board for tile laying. Backer Rod offers six distinct products for use in construction joints: Denver Foam®, Titan Foam, Mile High Foam®, Mile High Foam XL™ and Ultra Block® and The B. Product Details. A cement board works to. Trim-A-Slab 3/4 Wide x 24 in Dia Roll x 50 long Concrete Expansion Joint Replacement in Walnut 3103 The. R. Check Details. possessing nice flexibility and can be bendable, Works with virtually all. Toolstation offers far more than just tools, with extensive ranges from top brands including DeWalt, Stanley, Dulux, Google Nest and hundreds more. Description. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Best Cement Boards and Applications . com, Tel: 1300 22 33 48 Subject: Product Data Sheet Keywords: Sika® Foam Backer Rod Open Cell 020516030000000045 Open Cell Backing Rod Created Date: 4/1/2023 12:18:58 AM Provides a sound surface for caulking projects. 5 cm Package includes: 12 x Foam backer rod Notes: Manual measurement, please. x 0. Works in kitchens, bathrooms or other areas within the home. Made of closed-cell foam. CE Center A New Era of Exterior Sealants. bubble wrap for moving b&q; j and l countertops; wagner control pro 350 r test; 3d foam wall border; voc paint remover; best paint or stain for outdoor wood furniture; n z wallpaper;. high density spray foam insulation r-value; ikea bagganas instructions (4-m)x^(2) (2m 4)x (8m 1)=0;Generic Caulk Saver Foam Backer Rod for Gaps and Joints Backing Rod Concrete Filler Rope, Gray (5/8 Inch x 100 Ft) 5/8" X 150' Foam Backer Rod. Foam Backing Rod 15mm x 5m roll CM11CWH Cowdroy – Warringah Timbers. ca3/8 inch Standard Closed Cell Foam Backer Rod 2100LF per box Joint Filler. 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®. Caulking. Multiple Options Available. Find My Store. Sikaflex Self Leveling Sealant, Sandstone, Polyurethane with an Accelerated Curing Capacity for Sealing Horizontal Expansion Joints in Concrete, 29 fl. 6 4. foam backer boards. 3 inch Diameter Closed Cell Polyethylene Foam Backer Rod. Wall fillers and flexible fillers create a clean smooth and professional finish. LAURENCE EF14C CRL 1/4" Closed Cell Backer Rod - 100" Roll. The color may exist a slight difference due to different screen displays. Insert into a joint to control sealant depth & create a backstop to allow the proper depth of sealant ready for tooling. Our online range of backer rods is designed to help you get the most consistent and professional finish from your sealant application. . Indoor/outdoor foam backer rod for all caulking and sealant applications. Foam gap filler for small gaps and joints. Typically, you want your backer rod to be 1/4" larger than the joint. Save £10. Everbuild Silicones and Sealant Depth Setting Polyethylene Backer Rod. Product Type. 42 in. (Please note, neutral curing sealants are not always suitable for use on porous or natural stone, these are different products in their own right)Nozzles & Adaptors. Fill gaps before caulking to prevent caulk waste. It is the pesticide way to create a rodent barrier and provides a long-lasting, airtight, and water-resistant bond to most building materials. Standard practice for closed-cell backer rod is that with joints less than 3/4 inch (19mm) wide, the backer rod diameter should be 1/8 inch (3mm) larger than the joint width. Bidding on this auction has not started. Highest flexural strength and up to 3x the compressive strength of competitive cement boards. • Waterproof building panel made of extruded polystyrene foam. Can be used in both indoor and outdoor applications. Option 10mm x 10 meters. Sika® Foam Backer Rod Closed Cell Author: Sika Australia Pty Limited, ABN 12 001 342 329, aus. Available in 3/4 in. Shop roofing supplies at B&Q. Save $ 1005. R- 5, 1-in x 4-ft x 2-ft Acoustic Board Insulation Faced Polystyrene Board Insulation Sound Barrier. £. MEADOWS provides two different types of backer rods: CERA-ROD and KOOL-ROD. 4' Length) at Amazon. 3232630217603. Install the most preferred brand of backer board for your next tile job. Backer Rod Mfg. 25" cement board is made of 90% Portland cement and sand, resists damage from moisture and. EN 12647. Butyl Sealant forms a skin in 24 hrs but remains permanently plastic underneath. Outer diameter. b&q kitchens customer reviews; old garden rollers for sale; sus304;. 60. $0. While caulk alone can be applied to narrow cracks, gaps wider than 1/4” should be filled with foam backer rod first. Timco - Threaded Bars - High Tensile - Grade 8. Diameter of Rod: 1 in (25 mm) Feet per Roll: 100 ft (30. L x 5/8 in. The size of the backer rod should be matched to the size of the joint or crack. You might be ok with pva. Indoor or outdoor use. in colour:Kerdi-Board 4-ft x 8-ft x 1/2-in Waterproof Polystyrene Foam Backer Board. 16/Foot) List: $6. Putty. Clean cuts allow edges to align tightly. • Step 9: Clean Window: While the foam is expanding, the craftsman will clean the glass and frame. HardieBacker is made out of cement, and allows for proper bonding of the board and tile. Rod backer foam caulk rope gray filler caulking gap gaps. 3/4" W x 100' Long. Condition: New New. Foam backer rod helps to fill the empty space in the room perimeter expansion gap and reduces the amount of 100% flexible silicone sealant needed during installation. Manufacturer. BUILD® FIX AND FILL FOAM or EVERBUILD® JOINT BACKER ROD. Norex P3910 Triangular Backer Rod 1/4"x1/4"x1/4" Adhesive side 1800 Lf Roll Sealant Engineering Construction Supply, Backer Rod and Caulk Results Page :: ALP Supply 1/4 IN BACKER ROD 100 FT ROLLExterior Foam Backer Rod (1 1/2 x dia. Leviton - 86017-000 - Ivory 1 gang Thermoset Plastic Cable/Telco Wall Plate - 1/PackPage 192, Plumbing/Heating. It is highly flexible and compressible for easy installation. $27. TITAN FOAM™ controls the depth of the applied sealants and ensures cross-sectional hour-glass configuration. With joints 3/4 inch (19mm) or larger, the backer rod diameter should be around 25%-30% larger than the joint width. 99 Get it as soon as Saturday, Sep 30 Product Description. 12 for £60. Backerboard can also be used to tile bath panels or as a decorative lining sheet for multi-fuel/log burning. It is chemically inert and will resist oil, gasoline and most other solvents. Joint width to depth ratio should be 2 to 1 with a minimum depth of 1/4” or a maximum depth of 1/2”. Backer rod is an ideal non-absorbent compressible backup material inserted into a joint to control sealant depth. We're one of the UK’s largest suppliers of power tools, power tool accessories and building supplies – we offer a huge choice of trade-quality products to. 1) It fills the joint so you use less caulk (read: saves you $$$); and. Click & Collect. Compare. "soudal expanding foam b&q; metalset a4 vs jb weld; f2-48 kyocera; grx75 appleton; dow corning 736 90ml;. Our Compriband tape is manufactured using an expanding foam that provides a weather tight seal in order to prevent water vapour diffusion and installation of noise reduction. We stock a selection of coloured grouts for decorative grouting of tiles for kitchens, bathrooms, showers, wetrooms or anywhere else that a waterproof, coloured grout is required. Made from durable polypropylene with metal joints. For a reduction of noise between rooms or from outside sources, acoustic insulation will create a more peaceful environment. 2015-04-28. Standard. weiser lock parts home depot. £40. Sika Passive Fire Protection. Wood & Laminate Mastic Sealants. pe foam self-adhesive wallpaper; eifs stucco color chart; farrow and ball sulking room pink hallway;AIEX 32 Feet Backer Rod for Caulking, Soft Caulk Back Rod Caulk Saver Foam Flexible for Gaps Joints Connection for Road Wall Foundation Cracks (White) 4. Are you looking for glass sucker or suction pads to lift heavy material like glass, wood or aluminium from 20kg to 150kg without any hassle? Dortech Direct offers a great range of suction pads in various shapes and sizes. 99Inc Vat. CLEARANCE. MPN: BACK10-10. £4. Specifications: Material: foam Color: gray Size: about 2 x 25. Showing 24 of 86 products. 3") 200 x 100cm (78. QUALITY MATERIAL – This backer rod is made of quality foam, which is round, won't absorb water, safe to use, possess nice sealing effect. Everbuild Foam Sealant Joint Backer Rod 10mm x 10 Metre :. 22m (Dia)19mm. Prev lot: 643. Buy M12 Threaded Rods at Screwfix. 63 $ 27. Fills gaps and openings to prevent drafts. This gives it a highly rigid structure and exceptional. Everbuild Foam Sealant Joint Backer Rod 25mm x. : H-S-211 Comments: All membrane flashing must be a minimum of 200mm (8”) above roof level. innerocean. PE Foam Joint Backer Rod Available diameters 8mm, 10mm, 12mm, 15mm, 20mm and 25mm (Standard length FREE DELIVERY and NO MINIMUM By Lexaron Marketing Inc Facebook. $0. Hour Glass and Tension in Backer Rod Caulk · Sika Emseal. Nomaco SOF Soft Bi-Cellular Polyethylene Foam Backer Rod, 3/8" Diameter, Sold by the Foot 8732138 Kuhlman Direct Online Store. These innovative, foam rods used during construction are essential and necessary to a project’s success based on these reasons. 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 Use before caulking to fill gaps and openings larger than 1/2" x 1/2" Prevents 3-point bonding 20' 71464: 3/8" 71680: 1/2" 71506: 5/8" Model # 691741 Store SKU # 1000685212. Appliances. Offer - Spend £1500+ on kitchen cabinets, doors or. • Panel dimensions are 1/2-in x 48-in x 96-in. Closed cell: about 25-30% wider than the joint. FillPro Soft Type Backer Rod is a pliable bi-cellular PE foam material used for filling irregular joints. Fill gaps before caulking to prevent caulk waste. Chinking will eventually free itself from the backer rod and be able to move freely. 90% Portland cement and sand. This copper plated steel earthing rod is 1m in length, and 9. Schroeder Log Home Supply Inc. 20mm Non absorbent compressible grey closedcell polyethylene foam backup material. It is used earthing a wide range of applications. Product code. Many sizes/diameters are available for optimal fitting to the size of the joint being sealed. • Moisture resistant cement board engineered for use in wet areas. Before caulking, use Backer Rod to help fill gaps and openings in pavement cracks, wall joints, foundations, sidewalks and driveways. Coloured Grouts. Product Description. Posted Friday, November 24, 2023. ITP Standard Backer Rod is an extruded round, closed cell, low density polyethylene foam material with a skin-like outer texture. Versatile Caulk Backer Rod Set 3/8-by-20 Feet, Gray - Essential Foam Rods for Precise Caulking and Sealing. This insulating foam sealant expands to take the shape of gaps and cracks to block mice from coming inside your home. length. M-D Gray Polyethylene Caulk Backer Rod For Gaps and Openings 20 L X 3/8 Ace Hardware. 10 ft strip. Manufacturer. It does not rot, swell, or delaminate like plywood even in the wettest conditions. 4244 N Broadway Denver, CO 80216 Phone: 800-595-2950 Fax: 303-308-0393 Web: 3. 25. . Contact Supplier. 2. 17 Pieces/Carton, 102 feet/Carton (31 meters). They can be used in both professional and domestic environments, supporting your work and ensuring it comes out at the highest standards. Expanding Foams. Once cured, most spray foam insulation can be cut, sanded, and painted over if required. md backer rod lowes; thule 2808 key; dormakaba simplex price list;. 25/Foot) Get it as soon as Wednesday, Nov 29 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. This round metal rod is 1m in length, and 6mm in diameter. There's a range to cover every material. 9m. The Durabase XPS foam backer board offers builders and tile contractors a strong, lightweight, waterproof, and vapor-retardant tile base for wet areas. Everbuild 15mm x 10m Silicones and sealants Depth Setting Poyethelene Backer Rod. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. 8717399083508. (See Table 1) Glazing ITP Backer Rod ITP. Formulated using high clarity lightfast colour pigments, the 5 colour range offers a near or exact match to many. ft ASTM D1622 Outgassing (# of bubbles) 0 ASTM C1253 Tensile Strength psi (kPa) 25 lbs maximum ASTM D1623 The small-quantity soft foam backer rods for gaps and joints offer non-gassing, pliable, and bi-cellular backup materials for construction joints and sealant applications. - Nomaco Construction Gap Filler. 20m. for pricing and availability. Important information. Cut to desired length with scissors. The 1/4" backer rods are ideal for glazing installation, pre-cast units, expansion joints, and much more. Foam. Specifications. Backerboard can also be used to tile bath panels or as a decorative lining sheet for multi-fuel/log burning. £3. 79 £14. Made of closed-cell foam. 1/4 backer rod ace hardware; cement off concrete dissolver; araldite standard epoxy adhesive uses; dp805 adhesive;. Black or white rigid closed cell foam, non-absorbent and water proof. 8717399083508. Size 20mm x 10 meters. This creates a backstop to allow proper sealant tooling, and proper sealant of the joint surfaces. Backer rods are round, flexible lengths of foam that are used as a “backing” in joints or. In our online store, we have brought together several. 3 Reviews Add Your Review. Frienda Backer Rod Foam Rubber Caulk Saver Concrete Expansion Joint Filler Weather Strip Seal for Gaps and Joints (Grey,3/4 Inch x 20 ft) : Amazon. Find many great new & used options and get the best deals for Backer Rod 1/8 Inch Rubber Caulk Saver,Foam inch * 19. It’s available in spools in 3/8” to 1 1/8” diameters or 6’ lengths for. WOOD REPAIR & CARE. Use for filling in empty space of large cracks to reduce caulk waste. Screwfix customers rate this product 4. Click & Collect. Shop this Collection. M-D Building Products 20 Gray Foam Backer Rod for Medium Gaps and Joints 71480 The Home Depot. 34/Foot) Get it as soon as Tuesday, Nov 14 Standard Backer Rod - 2 lbs Density. First, it’s super lightweight compared with the rest. Condition is New. Available in stock grey and several other colors on a custom basis. PACKAGE CONTAINS : The package contains a 10m/32ft long foam backer rod. Underlay improves floor insulation to keep the room at a reasonable temperature, reducing heating and cooling costs. Easyfix BZP Steel Threaded Rods M10 x 300mm 5 Pack (22257) (247) compare. Used in trades in construction & manufacturing. 99 $ 26 . Sealants, caulking or other chinking materials will stick more easily to closed cell backer rods which have a better bonding surface area than an open cell product. The type of backer rod used is governed by the type of sealant used, plus environmental, seismic and temperature requirements. </p> <p>Risinger will also walk us through the method he uses, which can cause water and air to be pushed away from the window instead of leaving small cracks that. Insert into a joint to control sealant depth & create a backstop to allow proper depth of sealant ready for tooling,3C Sealants Multi-Use Adhesive & Sealant 290ml White RAL 9010. 2) It creates the ideal joint design, allowing the caulk to stretch properly so it won’t rip or tear, which helps you avoid re-doing. Titan Foam™ TITAN FOAM™ is a soft, grey, non-gassing, pliable backer rod, with an impervious outer skin, used as a backing for elastomeric and other cold applied sealants. Free delivery on eligible orders of £20 or more. The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. JOINT BACKER ROD Polyethylene Foam Material The technical data contained herein is based on our present knowledge and experience and we cannot be held liable for any errors, inaccuracies, omissions or editorial failings that result from technological changes or research between the date of issue of this document and the date the product is. Product diameter. x 4 ft. Product thickness. EVERBUILD® EVERFLEX® 115 GP Building Mastic provides an effective weatherproof seal. 0 of 5. 54/Foot) +. MPN: BACK25. Buy Expanding Foam at Screwfix. 5mm in diameter. Ba2 Salice, Amerock Nickel Fast-Clip 170 Full Overlay Frameless Concealed Hin, SILENTIA Series 100 105° opening Standard applicationOver 25,000 trade quality products. Expanding Foam. Click & Collect in as little as 1 minute. $427. Partially fills deep cracks before sealant application. 0. o42-002; electrical lock out tag out system; master lock s297; u channel sign post 10 foot2Pcs Polyurethane Foam Sheet - 40 x 30 x 4CM Shadow Foam Inserts - Cuttable Foam Inserts for Tool Box Organisation, Flight Cases, DIY & Tool Storage Systems. Class 4. Product code. Colour: Grey. 5 ASTM D1622 Outgassing (# of bubbles) <1 ASTM C1253 Proper size selection of Closed Cell Backer Rod is important as it controls the depth of the sealant bead. The use of caulking is multidimensional; it can repair gaps, joints, and cracks in or around your house's exterior, its interior, and all surfaces.