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SELF-EXPANDING CORK EXPANSION JOINT is especially desirable where a constant friction-fit is required. Product Data Sheet (PDS) PDF - 329 KB (en) Sikaflex 2c NS TG. Mirafi MPBBC1450 bond breaker is a needle-punched nonwoven interlayer composed of polypropylene fibers, which are formed into a stable network such that the fibers retain their relative position for use as an interlayer for separating cementitious pavement layers. Prior to any full-scale application of a subsequent paint, coating, sealer, adhesives sealant, grout, etc., W. R. MEADOWS recommends appropriate field testing be performed to verify that all desired/required appearance, performance, adhesion, etc. Site Map This type of bond breaker holds water into the casting slab. SEALANT BACKING MATERIAL SELECTION GUIDE. They are not bond breakers. DECK-O-JOINT will not whip or warp during application. Concrete Interlayer Bond Breaker Fabrics Home / Concrete Interlayer Bond Breaker Fabrics Historically, German engineers have been very successfully using non-woven geotextiles as interlayer bond breakers between lean concrete bases and concrete pavement surfaces for past 25 years. Bond breakers are applied to the surface of the formwork so that the concrete precast can be easily separated from the formwork. 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SNAP-CAP provides a time and cost-saving method for forming straight, uniform and debris-free joints of the proper configuration, ready to seal. Concrete elements are generally of two types; those are Precast and cast-in-situ construction. KEYWAY resists impact and will not whip or warp. Apply backup rod and bond breaker tape in expansion joints. Ensure base material is free of any foreign and loose materials and the base is cured prior to applying base bond breaker. It will stick with the concrete surface and produce a waterproof surface. 2. For further application instructions and contractor responsibilities and assurances, please contact the W. R. MEADOWS technical services department. Links to Various Materials Approved Lists. Any dull spots must be recoated. We use cookies to improve the functionality and performance of this site. Privacy and Cookies Policy Do you folks carry that? Join TheConstructor to ask questions, answer questions, write articles, and connect with other people. Membrane-forming bond breakers have the property to hold the water in the casting slab. Polyethylene bond breaker tape is mainly used in joint cavities where the sealant is very shallow or in other situations where it is undesirable for the sealant to stick to a certain surface. | Method of Joint | Zero Force Member, What Is Plaster? Bond breakers are civil engineered products that form a membrane between the surfaces of concrete. If rain strikes the surface before the coating is dry, any damaged areas must be recoated. Sika BondBreaker W is a water repellent, wax based bond breaker material. Site Map Silcoseal Advantage is a water-based bond breaker. from adhering to the back of a raked joint or to the backup), allowing the sealant to freely deform in response to building movements (see Figure 1c). Using braided sealant backing to compensate for a joint opening that is too large for the backing material. SPEED-E-JOINT consists of two solid pieces that have been pre-assembled for easy handling and installation. Dust Palliatives Use & Application. German engineers have been successfully using non-woven geotextiles as bond breakers for decades. May help contribute to LEED credits: #164 is a time-proven, hot-applied polymeric sealant which combines a tenacious adhesive power with high resiliency. Learn more . Reactive bond breakers react with the concrete surface and form a crude soap layer, whereas non-reactive bond breakers interact with the concrete surface to create a waterproof surface. Save my name, email, and website in this browser for the next time I comment. X-FOAM is ideal for use as an expansion, contraction, and/or isolation joint in swimming pool decks, curb and gutter work, floor slabs, pavement patch repair, sidewalks, driveways, plazas, parking decks, highways, and airport runways. Other elements can be used to give an architectural effect. Bond breaker concrete forms a sheet-like structure between two surfaces of concrete. Various bond breakers like Nox-Crete, Crete Lease, J6 Surelift, Reid, and Dayton Superior can be used in concrete bond breakers. PRECAUTIONS FillPro Standard is a good example of a closed cell PE backer rod. Sell. location specific benefits, {{deps.UserLocation.selectedBranch.DaytimePhoneNumber}}, {{deps.UserLocation.defaultLocation.DaytimePhoneNumber}}. Bond-Breaker Strips: Asphalt-saturated, organic roofing felt complying with ASTM D 226, Type I (No. For a unreinforced concrete pad it recommends dowel rods at joints with oil used as a bond breaker from the concrete. Bond breakers are applied to surfaces to which concrete is poured by the monolithic slab method. | Types of Well Point System | Advantages & Disadvantages of Well Point System. BOND BREAKER -- Dowels shall be entirely coated with a bond breaking compound such as white pigmented curing compound or other approved bond breaker material. providing a bond breaker. Bondbreakers and Release Agents Silcoseal Select Back to product index Fast-Drying, Water-Based Tilt-Up Concrete Cure and Bondbreaker This tilt-up concrete cure and bondbreaker meets moisture retention properties of ASTM C309 and all federal, state and Canadian VOC requirements. When a bond breaker is needed at a construction joint, a curing compound, form release agent and the like can act as a bond breaker. They also create a shear plane to help prevent reflective cracking and facilitate movement of water out of the pavement system. DESCRIPTION Polyethylene tape is commonly. It comes in strips or rolls and can . Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. Non-membrane bond breakers can be either reactive or non-reactive. It does not allow surfaces that are subject to movement to separate. Abond breakeris a substance applied to concrete surfaces to guarantee that there is permanentbondingbetween the surfaces. The two main categories of bond breakers can be membrane formation and non-membrane formation. The application of bond breakers does not affect the adhesion of adhesives, epoxies, or any other floor finishes. Apply 1-2 coat(s) at 0.1 - 0.2 l/m2 per coat. Products Tilt-up Bond Breakers Clean Lift 20/20 Premium reactive water-based tilt-up cure/bond breaker SpecTilt 100 Premium reactive solvent-based tilt-up bond breaker Copyright 2022 White Cap Supply Holdings, LLC. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as threesided adhesion. When placing geotextile in this condition, geotextile needs to properly bond to adhesive before construction or vehicle trafficking begins. The lean concrete gains strength with time. These are known as reactive types and non-reactive types. Bond breakers prevent three-sided adhesion of the sealant (i.e. Most tapes used as bond breakers are made of polymer films such as PTFE and polyethylene. PVC Tongue and Groove Joint Form When a bond breaker is needed at a construction joint, a curing compound, form release agent and the like can act as a bond breaker. The efficiency of formwork can be increased. Many time, due to evaporation and due to different atmospheric condition, there is a lack of water. Cement vs. Generally, it is applied just before placing the concrete. Static load, also called the holdingload, is the force that will be applied to the linear actuator when it is not in motion. It is lightweight, highly flexible, and easy to cut or form in the field without waste. However, as noted in the gure, through-wall ashings generally create a bond-breaker, which reduces the structural capacity of a masonry wall. Joint sealant should be designed and constructed to allow free extension and compression during the opening and closure of joints. However, we can offer products to meet any specific specification. In case joint sealants are attached to the joint filler so that movement is prohibited, they can hardly perform their intended functions to seal the joints against water and debris entry. These strips are usually 34-inch deep, using one-inch-by boards that are tapered for easy removal. TILT-CRETE should be protected from all contaminates while drying. This type of bond breaker will interact with the concrete surface and will create a waterproof film. Sealers can also improve the appearance of floors and slabs. Bond Breakers Sec 2 2-3 Guide to Tilt-Up Bondbreakers A bond breaker is a 'material used to prevent adhesion of the newly placed concrete to the substrate'*. However, W. R. MEADOWS always recommends to inspect the slab to make sure of proper coverage. Coverage ratios must be adjusted to compensate for resulting penetration and additional coverage coats required to provide proper surface treatment. This type of bond breaker is opposite to that of the previous one. SikaBond-150 Premium Floor. In the modern construction industry, the term prefabrication or precast holds a significant value. Learn more about Plastic Expansion Joint Materials. A bond breaker like a wax-based curing compound helps to prevent bonding. This allows membrane release from the bond breaker, into a compressible medium. Compatible with all hot- or cold-applied sealants. Our bond breakers are formulated to leave no residue, stain, or discoloration, and contain no diesel, kerosene, waxes, or silicones. MINIMIZE STRESS DAMAGE AND ENHANCE THE PERFORMANCE CAPABILITIES OF CONCRETE WITH PROPER JOINTING TECHNIQUES TO ACCOMMODATE EXPANSION-CONTRACTION CYCLES. 5.5 mil Low-Density Polyethylene Film Tape is frequently used after installing anchor rods in concrete to prevent cracks in the concrete surface. To prevent the sealant adhering to the base surface or filler board, apply Bond Breaker Tape along the whole width / length of base of the joint. RepCon 928. Bond breakers are similar to anti-stick material, applied on adjacent metallic and nonmetallic substrates such as concrete and steel, used in construction projects. A BCO with a minimum thickness of 4 in. SPEED-E-JOINT Copyright 2020-2022 9to5civil.com | The Content May Not Be Reproduced On Other Websites | Website Maintained By Bhadresh Khatri. As the temperature rises or the moisture content of the concrete increases, expansion takes place. The product and aqueous emulsion reacts with calcium hydroxide (Ca (OH) 2 ) in the concrete and forms a gel which seals concrete surface pores, restricting moisture entry and exit. Easy application by brush or sprayer Non - Hazardous, Non Toxic Non - Staining Product Data Sheet Safety Data Sheet Show all documents Overview Product Details Application Documents Usage Sika BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions.