This type of bond breaker will react with water and form a crude soap. When 2 coats are necessary,apply the 2nd coat 1-2 hours after the first coat. Along with this growth, the use of bond breakers has also increased. Generally, it is applied just before placing the concrete. This cracks may take from as simple hair cracks, which with time, propagates, eventually leading to failure of the concrete member. Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. Without bond breakers, the joint sealer tears apart to accommodate movement. Also Read:What Is the Well Point System? The use of X-FOAM expansion joint combined with proper sealing and joint design per American Concrete Institute guidelines can help reduce unwanted cracking and early joint edge deterioration. Cure & Tilt WB is low-VOC formulation that does not contain wax or hydrocarbon resins. If casting of concrete panels is delayed for more than 2 weeks after the final bond breaker application it will be necessary to check for a sufficient bond breaker film on the casting slab. North America: 800.342.5976 The top section pulls free once the joint has been placed correctly in the wet concrete. TDS. Wax is also a popular bond breaker material which is being used by many countries. 1718.2 REQUIREMENTS a. Bond-breaker must have an average pull out resistance less than 3400 lbs. TILT-CRETE is low-VOC formulation that does not contain wax or hydro-carbon resins. Due to its unique self-sealing characteristic, no subsequent joint sealing is required. RepCon H . Liquid bond breakers are preferred over bond breakers in spray form. KEYWAY The material serves to prevent the concrete from bonding to the dowel bars, thus preserving the joint as a working one. Used for tilt-up, and precast construction projects. Cement vs. ASPHALT EXPANSION JOINT can be used in 80% of all control joint applications. DO NOT DILUTE. Bond breakers are normally used on tilt-up walls and precast segments to ensure the right pieces are cast together. TILT-CRETE The sealer's purpose is to prevent water, ice, and dirt from getting into the joint (and into the subgrade) and to prevent intrusion from below the slabincluding of radon. A bond breaker is a separator substance applied in between adjoining solid surfaces to ensure that there is no adhesive molecular bond between the surfaces. Questionable areas can also be tested by dropping water on the surface. Sufficient application of the bond-breaker is the responsibility of the contractor and not W. R. MEADOWS, INC. splices. The product(s) has been added to {{ listName }}. Apply 1-2 coat(s) at 0.1 - 0.2 l/m2 per coat. Use the resulting anticipated movement to determine the correct thickness of the control joint and proper spacing for placement of the joint. Easy to cut dimensionally stable not sticky in summer or brittle in winter. SELF-EXPANDING CORK EXPANSION JOINT is formed and compressed under heat and pressure to permit expansion up to 140% of original thickness after installation, which allows the filler to compensate for concrete shrinkage. 5 Gallon (18.93 L) Pails LEED INFORMATION 700/37 Moo 5 Amata City Chonburi Industrial Estate, KM 57, Bangna-Trad Rd., Tambol Klong Tamhru, Amphur Muang Chonburi When cured, it is semi-rigid, with, SPEED-E-JOINT consists of two solid pieces that have been pre-assembled for easy handling and installation. 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. As the dynamic loads are substantially decreased, it takes less time as well as less effort to carry a heavy load from one point to another. Ensure base material is free of any foreign and loose materials and the base is cured prior to applying base bond breaker. Not very much in use. Whether mixing the agent with a slurry or using an agent to bond two concrete surfaces together, a high-quality product can get the job done. They also create a shear plane to help prevent reflective cracking and facilitate movement of water out of the pavement system. Mixing Thoroughly agitate TILT-CRETE prior to each use. Weep/Vent Products: Use one of the following unless otherwise indicated: Round Plastic Weep/Vent Tubing: Medium-density polyethylene, 3/8-inch (9-mm) OD by 4 inches (100 mm) long. ADHESIVE SEALANT BOND BREAKER TAPE CONCRETE SEALANT BACKER ROD (COMPRESSED) COMPRESSION FILLER The diagrams shown below depict the relationship between joint design and the maximum strain (S) on the . They can also be water-based or non-water-based products. | Specification of Cinder Block | What Is a Concrete Block? Curtain wall joints. same temperature conditions as allowed for pouring of concrete, typically above 40 degrees Fahrenheit. May help contribute to LEED credits: #164 is a time-proven, hot-applied polymeric sealant which combines a tenacious adhesive power with high resiliency. The application of bond breakers does not affect the adhesion of adhesives, epoxies, or any other floor finishes. Membrane-forming bond breakers have the property to hold the water in the casting slab. a water repellent, wax based bond breaker material. Atlas Easy-Lift FD is a high-performance, chemically reactive, water-based, fast drying cure and bondbreaker for tilt-up and precast construction. Please see our Privacy Policy for details. The provision to accommodate movement at predetermined locations with proper joint applications prevents the development of stresses that could rupture the concrete. A non-reactive bond breaker bonds with a concrete surface to create a waterproof surface. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as threesided adhesion. What are the different types of handrails used in bridges? Description: Brickform #LR-5 Liquid Release Bond Breaker forms a colorless barrier that virtually eliminates concrete build-up on mat-type, texturing tools and thereby keeping them flexible and minimizing wear. 1.02 REFERENCE STANDARDS Except herein modified, concrete work shall conform to the latest requirements/edition of ACI 301, Specifications for Structural . Bond breakers prevent three-sided adhesion of the sealant (i.e. 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. CERAMAR PRESSURE RELIEF is a flexible foam joint filler composed of a unique, synthetic foam of isomeric polymers in a, REZI-WELD FLEX is a gray, two-part, pourable consistency, premium-grade, moisture-insensitive, epoxy joint filler formulation. 3m bond breaker tape is used in construction. Figure-1: Application of Bond Breaker to Produce a Surface to which further Concrete will not Bond Image Credits: Constrip Bond Breaker The top of SNAP-CAP pulls free and can be discarded. Bond-Breaker Strips: Asphalt-saturated, organic roofing felt complying with ASTM D 226, Type I (No. Also, Read:Difference Between One Way Slab and Two Way Slab | What is Slab. Bond breaker tape is black polypropylene tape that provides an option to break the bond of the sealant between the joints between the surfaces of the concrete. An SCP application is not a coating and has no negative effect on bond integrity. Bond breakers can be used to improve joint performance. Resists wash off from normal rain and dew once dried. Embedded waterstops for cast-in-place concrete. thickness widths* slab widths. Flexible, lightweight, and can be formed around curved objects. Concrete: Which Building Material is Better? Seal with #164, HI-SPEC or SOF-SEAL from W. R. MEADOWS for maximum protection from water infiltration, weathering, and to assure proper performance. The product should be used where appearance is a prime consideration in tilt-up and lift-slab construction. Bond breakers reduce the time required to move heavily loaded precast elements. It locks into concrete and adjusts for any slab movement. The contractor and/or applicator is also responsible to ensure that application conditions are acceptable as noted on this data sheet and to ensure that the correct coverage rate is used. Bond breaker tape is self-adhesive polyutherene tape, having black colour, which has comfortability hugely to irregular surfaces. Polyethylene tape is commonly. The tape shall be the same width as the joint. Visually and physically inspect the slab to witness the entire surface has a definite sheen. When bond breakers are applied to the concrete surface, it eventually joins together with the old concrete surface and once the concrete is poured, they become inseparable. 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. Bond breaker tapes are used for isolating sealant and eliminating sealant adhesion to concrete and metal. USES #164 provides a positive, 1100 water-based concrete curing compound is formulated from hydrocarbon resins and may be used on interior, exterior, vertical, and horizontal, 1150-CLEAR water-based concrete curing compound is formulated from hydrocarbon resins and may be used on interior, exterior, vertical, and horizontal, 1190 is a hot-applied, single-component polymeric compound developed for the economical maintenance sealing of cracks and joints in Portland cement, North America: 800.342.5976 Bond breaker can be reused multiple times, which makes it a very. When compressed to half of its original thickness, it will recover to a minimum of 70% of its original thickness. DO NOT FREEZE. If the Precast construction, the concrete is cast at a place other than the site, which is when required, are brought to the site using conveying equipment, such as cranes and are placed. What must be the maximum dry density of Granular Sub Base & Wet Mix Macadam used What is the Safe Bearing Capacity values for Different Soils? It is economical, long lasting and trouble-free. Complies with National AIM, OTC Phase I and II, LADCO, Utah R307-361, CARB SCM 2007, and SCAQMD maximum allowable VOC requirements. | Identification of Zero Force Members in Truss | Advantage of Zero Force Member, What Is Truss? bond breaker coats is 240 sq.ft./gal. Fatty acids are used as stearates as a reactive bond-breaking material. 5, 6, 12 It is a chemical-resistant, ultraviolet stable,, CORK EXPANSION JOINT is produced from clean, selected, granulated cork bonded with a phenolic resin. 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. Like this post? Using a bond breaker can easily reduce the time to clean the formwork. Bond breakers do not affect the characteristics of concrete surfaces. Also Read:What Is Folded Plate? Colors: Stone Gray, Desert Tan and Dura-White. Bond breakers are used in key components required for tilt-up construction. Cuts easily on the job with a razor knife no breakage or waste. SELF-EXPANDING CORK EXPANSION JOINT is especially desirable where a constant friction-fit is required. 3. Curing: 200 400 sq. Learn more . It is, X-FOAM expansion joint filler is a flexible, lightweight, non-staining, polypropylene, closed-cell expansion joint filler. Joint sealant should be designed and constructed to allow free extension and compression during the opening and closure of joints. Learn more about Plastic Expansion Joint Materials, ASTM D 1752, Sections 5.1 through 5.4 with the compression requirement modified to 10 psi. Copyright 2022 White Cap Supply Holdings, LLC. Over-application can result in delays due to drying, discoloration, panel surface dusting, surface irregularities, etc. When Why We Need to Use Bonding Agents The time of the application depends on the specification of the produce. Offers high resiliency and 99% recovery qualities low compression values non-extruding virtually non-absorbent. Coverage ratios must be adjusted to compensate for resulting penetration and additional coverage coats required to provide proper surface treatment. SHELF LIFE Bond Breakers. RepCon 928 FS. Do you folks carry that? Although the use of it includes certain drawbacks, it is still popular as a significant bond breaker material. Sealers can also improve the appearance of floors and slabs. The main function of bond breakers is to minimize dynamic loads during lifting or stripping of precast members and permit their complete, clean separation from casting slabs or molds. Therefore, contractors can complete the construction work of the building structure better and faster using the precast concrete unit. SpecChem App. However, we can offer products to meet any specific specification.
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