Any dull spots must be recoated. (76.2, 88.9, 101.6, 152.4, 203.2 mm), *Pre-cut joint furnished in any desired width, SPEED-E-JOINT, DECK-O-JOINT, SNAP CAP, KEYWAY. Bond Breaker Tape 8891 Technical Data June, 2012 Product Description 3M Bond Breaker Tape 8891 is a black polypropylene tape that provides a unique way to break the bond of s ealant between the cement joints. PDF TECHNICAL DATA SHEET Sec SECTION 2 - Dayton Superior Embedded waterstops for cast-in-place concrete. CERAMAR flexible foam expansion joint is gray in color and provides an excellent joint filler and backup material for use in either horizontal or vertical applications where expansion and contraction movements must be accommodated. Any areas accepting penetration of the water must be recoated until a positive seal is achieved. Not very much in use. USES As shown in figure-2, a bond breaker tape in-between the joint sealant and joint filler is provided to facilitate free movement. Still, these chemicals also dramatically affect the characteristics of the concrete members, so this compound is not known in all countries. 101 through 150. Panel Forming : TILT-UP TODAY - Tilt-up Concrete Association 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. The strength development of this concrete type must be hence factored in the project sequencing process. Contact Us Concrete standards, materials, mixes and tests, placement, finishing, patching, grouting, and crack repair. This type of bond breaker is opposite to that of the previous one. Types of Base for Pavement Construction - The Constructor It is placed to ensure that there is no adhesive molecular bond between the surfaces. To prevent the sealant from adhering to the surfaces, bond breaker tape is applied along the whole width/length of the base of the joint. All Rights Reserved. It can be used indoors and outdoors on concrete overlays 1 in. 1.02 REFERENCE STANDARDS Except herein modified, concrete work shall conform to the latest requirements/edition of ACI 301, Specifications for Structural . Bond breakers are available in the market in various forms, such as liquids, taps, rods, and sprays. Evaporates and leaves no residue, making it ideal for interior applications. Also, Read:Difference Between One Way Slab and Two Way Slab | What is Slab. There have been several instances across Texas where excessive cracking and premature failures occurred when a concrete slab was placed directly on cement treated base. The improved X2 air filtration system allows the end-user to use the same air filter for up to . And is an important factor for building quality control and development. 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. Bond breaker tape is easily available in widths like 15mm, 20mm, 25mm, 50mm etc. Fatty acids are used as stearates as a reactive bond-breaking material. A concrete bond breaker is a water-based bond breaker. If rain strikes the surface before the coating is dry, any damaged areas must be recoated. Bond breakers are anti-stick materials used on adjacent metallic or non-metallic substrates, such as concrete and steel. >T`ediXy6#;%?=c:w@9a&+RFg&&F F@,uFQ&nFgH3. Compatible with all hot- or cold-applied sealants. This type of bond breaker will react with water and form a crude soap. 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FIBRE EXPANSION JOINT is versatile, resilient, flexible, and non-extruding. The tapers are typically either 45 or 22.5 degrees. Proper mixing of TILT-CRETE prior to each use is very important to ensure successful panel separation and lifting. We use cookies to improve the functionality and performance of this site. Spraylock Concrete Protection $Aq(b 0```%l YC?&(30B@lpLs36PJ/"C2 Modulus Rupture indicates the bending strength of the material used in construction and its suitability for use in construction. Lightweight, flexible foam forms or wraps around curved or circular surfaces. Now, bond breakers are being used more and more in construction."}}]}. Bond breakers are commonly used for tilt-up walls and precast segments so that the right pieces are cast together. FillPro Standard is a good example of a closed cell PE backer rod. Tech Brief: Understanding Veneer and Precast Concrete Description: Brickform #LR-1 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. Guide to Tilt-Up Bond Breakers A bond breaker is a "material used to prevent adhesion of the newly placed concrete to the substrate". Bond breakers are products developed by an engineer. The Man Behind 9to5Civil.com. FEATURES/BENEFITS A bond breaker can be used on deteriorated pavements exhibiting rutting,d cracking from fatigue and freeze/thaw or map cracking due to the expansive pressure of alkali silica reaction. Waterproofing - joint sealants to connect or to release? 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. Bond breaker tape: primarily a self-adhesive polyethylene or teflon material. Mirafi MPBBC1450 - TenCate Geosynthetics If TILT-CRETE application as a cure to the casting slab is delayed for several hours or until the following day, the surface should be moistened with water before application of TILT-CRETE. Bond breakersare normally used on tilt-up walls and precast segments to ensure the right pieces are cast together. Bond Breakers - White Cap Product Data Sheet (PDS) PDF - 254 KB (en) Sikaflex 2c Slope Grade. E-mail: [emailprotected]. asphalt astm d 994 federal specification hh-f-341 f aashto m 33 PDF Index for Specifications for Concrete Pavement (PDF) Effect of Reinforcing Bar Contamination on Steel-Concrete Bond Use the resulting anticipated movement to determine the correct thickness of the control joint and proper spacing for placement of the joint. It is composed of a blend of asphalts and mineral fillers, FIBRE EXPANSION JOINT is composed of cellular fibers securely bonded together and uniformly saturated with asphalt to assure longevity. BOND BREAKER -- Dowels shall be entirely coated with a bond breaking compound such as white pigmented curing compound or other approved bond breaker material. In some countries, petroleum-based materials have been in use. Learn more about Plastic Expansion Joint Materials, ASTM D 1752, Sections 5.1 through 5.4 with the compression requirement modified to 10 psi. It strips quickly and can be reused or left in place. PDF 1718 - Bond-breaker for Portland Cement Concrete Pavement Dowel Bars Various bond breakers like Nox-Crete, Crete Lease, J6 Surelift, Reid, and Dayton Superior can be used in concrete bond breakers. Bond breakers are usually designed for curing compounds to slab and precast members. 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. Learn more about Plastic Expansion Joint Materials. RepCon 928. Non-membrane bond breakers can be either reactive or non-reactive. Some common materials used to create a bond breaker are: 6 to 10 millimeters polyethylene sheet Concrete Constituent Materials (i) Type GU Normal Portland Cement (ii) Fly Ash (iii) Aggregates (iv) Water (v) Air-entraining Agents (vi) Admixtures . Silcoseal Select is a tilt-up concrete cure and bondbreaker If the bond breaker film is 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. ASPHALT EXPANSION JOINT is the original expansion joint filler. 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. However, we can offer products to meet any specific specification. Therefore, contractors can complete the construction work of the building structure better and faster using the precast concrete unit. Section 250.4 (A) (1) states that grounded electrical systems "shall be connected to earth in a manner that will limit the voltage imposed by lightning, line surges, or unintentional contact with higher-voltage . | Types of Asphalt Shingles. Joint type and spacing will vary with each project according to the kind of structure, climatic conditions, and anticipated stresses in the concrete. It also provides enough strength to lift and move pieces of precast. Legal Notices / Imprint Always apply to a test area first to determine actual coverage rate before full-scale application. bond joint occurred with an increase in the bond breaker length, whereby with bitumen coating as bond breaker material, this effect only occurred f rom a length o f 6 00 Which can be cost-effective and time-saving for large structures. Type 3 bond breakers are effective where membrane application occurs either below, or on top of the screed. . The American Concrete Pavement Association has created aGeotextile Separation Interlayer GuideSpecification. 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. "}},{"@type":"Question","name":"What Is a Non-Reactive Bond Breaker? Terms of Use, USA Canada Franais Espaol International. Bond breakers are normally used on tilt-up walls and precast segments to ensure the right pieces are cast together. Bond-breaker is applied to dowel bars to be placed in contraction joints in rigid pavement before placement of the concrete. Section 36-2 - Base Bond Breaker Section 37 - Bituminous Seals Section 39 - Asphalt Concrete Section 40 - Concrete Pavement Section 41 - Existing Concrete Pavement Section 42 - Groove and Grind Concrete Division VII - Drainage Facilities Section 68-4 - Edge Drains Division XI - Materials Section 90 - Concrete Section 92 - Asphalt Binders Bond Breakers and How They're Used - The Balance Small Business | Type of Plaster | Type of Plaster Finishes, What Is Tension? | Types of Well Point System | Advantages & Disadvantages of Well Point System, What Is a Beam Bridge? Sika BondBreaker W is a water repellent, wax based bond breaker material. Thank you! thick concrete layer placed on top of the existing concrete pavement with operations conducted to ensure full bond between new and old concrete layers. Mainly, bond breaking tapes can be made of different . SDS. North America: 800.342.5976 The bond breaker reported to have been used on the casting slab was a chemical reactive organic curing agent and bond breaker (without wax or hydrocarbon resins). However, W. R. MEADOWS always recommends to inspect the slab to make sure of proper coverage. It does not allow surfaces that are subject to movement to separate. Name may only contain letters, numbers and the characters : - _ or space. EXPANSION <> CONTRACTION. | Folded Plate Structures | Folded Plate Staircase | Advantages & Disadvantages of Folded Plate Structures. Bond breakers reduce the time required to move heavily loaded precast elements. | Principle of Isometric Projections | Isometric Scale | What Is Isometric Drawing? CERAMAR flexible foam expansion joint filler is composed of a unique blend of isomeric polymers in a very small, closed-cell structure. TILT-CRETE is low-VOC formulation that does not contain wax or hydro-carbon resins. USES What Is Bond Breaker | Purpose of Providing Bond Breaker | What Is Concrete bonding agents could be natural material or synthetic material. Wax is also a popular bond breaker material which is being used by many countries. 2.11 BOND BREAKER TAPE Bond breaker tape shall be an adhesive-backed glazed butyl or polyethylene tape which will adhere to the premolded joint material or concrete surface. Bond breakers are civil engineered products that form a membrane between the surfaces of concrete. Bond breaker tape reduces the amount of time to move loads. ASPHALT EXPANSION JOINT, SPONGE RUBBER EXPANSION JOINT, CORK EXPANSION JOINT and SELF-EXPANDING CORK EXPANSION JOINT, 10 (3.05 m) These strips are usually 34-inch deep, using one-inch-by boards that are tapered for easy removal. Precast products like concrete pipe, and u-shape drain are loaded into the truck using equipment like a crane. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. Often a time, the importance of bond breaker as an inseparable part of the waterproofing system is being overlooked. Concrete Bonding Agents - Structural Guide Apply backup rod and bond breaker tape in expansion joints. DECK-O-JOINT is a decorative expansion joint for use wherever concrete is placed. I am a Degree Holder in Civil Engineering. Ensure the base bond breake r used is specified for the type of base it is covering. This guide will help you choose the best concrete . Terms of Use, USA Canada Franais Espaol International. Bond breakers are similar to anti-stick material, applied on adjacent metallic and nonmetallic substrates such as concrete and steel, used in construction projects. Why Should You Use Concrete Sealing Mastic? | Del Zotto Leaves no staining on wall panel or casting slab floor surfaces when properly applied. Surface Preparation The casting bed should be clean and free of dust, dirt, and foreign matter. Thinner joints (1/4, 3/8, or 1/2) (6.35 mm, 9.53 mm, or 12.7 mm) spaced at frequent intervals offer greater control than thicker joints spaced at greater intervals. If, after application of the bond-breaking coat, steel, or concrete-placing operations are delayed longer than two weeks, the bond-breaking coat should be inspected carefully to determine if it still provides 100% coverage.