not enough product applied as the concrete panel is placed. Non-membrane bond breakers can be either reactive or non-reactive. A concrete bond breaker is a water-based bond breaker. DESCRIPTION TILT-CRETE is low-VOC formulation that does not contain wax or hydro-carbon resins. 2023 W. R. Meadows, Inc.All rights reserved. Which can be cost-effective and time-saving for large structures. Standard length is 10 (3.05 m). We have a dedicated website for your country. SDS. This installation featured our new AIR-SHIELD ALUMINUM SHEET MEMBRANE product. If a bond breaker is not applied before the installation of a waterproofing membrane system, there are high chances that the membrane will wear and tear, forming holes, which would allow moisture into the substrate below, rendering the whole purpose of waterproofing system pointless. The tapers are typically either 45 or 22.5 degrees. DECK-O-JOINT resists acids, alkali, chlorine, etc. W. R. MEADOWS technical services department, Solvent-Based Curing and Sealing Compounds, Meets the moisture retention requirements of ASTM C 309 on steel-troweled surfaces. Static loads are which, whos value is constant, and the amount of the dynamic loads, continually changes. Bond breakers are normally used on tilt-up walls and precast segments to ensure the right pieces are cast together. 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. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Bond Breaker Tape","acceptedAnswer":{"@type":"Answer","text":"Most tapes used as 'bond breakers' are made of polymer films such as PTFE and polyethylene. Compatible with all hot- or cold-applied sealants. Whenever a casting of the slab is done, it requires an adequate quantity of water, so that the chemical reaction between cement and water can progress uninterruptedly. Demolition or Refurbishment: What are the Factors Controlling Decision-Making? Or is per the dowel rod manufacturer's recommendation? Rods are fixed between two adjacent surfaces of concrete. This guide will help you choose the best concrete . To help the concrete mixing water provide proper cement hydration and concrete treatment, this bond breaker is used. Also, Read:10 Best Cement Companies In India. Water-Based Concrete Bond Breaker. 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). When Why We Need to Use Bonding Agents The time of the application depends on the specification of the produce. Liquid bond breakers are preferred over bond breakers in spray form. Polyethylene tape is commonly. But the use of chemical curing compounds prevents the proper operation of bond breakers. | Specification of Cinder Block | What Is a Concrete Block? Seal with #164, HI-SPEC or SOF-SEAL from W. R. MEADOWS for maximum protection from water infiltration, weathering, and to assure proper performance. 700/37 Moo 5 Amata City Chonburi Industrial Estate, KM 57, Bangna-Trad Rd., Tambol Klong Tamhru, Amphur Muang Chonburi It is economical, long lasting and trouble-free. Please enter your email address. It comes in strips or rolls and can . Bond breakers used in tilt-wall construction, however, are specifically These bond breakers have the property to hold the water in the casting slab. Site Map The two main categories of bond breakers can be membrane formation and non-membrane formation. free from burrs or other deformations detrimental to free movement of the bars in the concrete. SPEED-E-JOINT offers an ideal solution to controlling cracks in concrete. 5 Gallon (18.93 L) Pails Also Read:What Is Folded Plate? Non-extruding versatile offers a minimum of 70% recovery after compression. It is ideally suited for joints in sidewalks, driveways, streets, and single- and multi-level floor slabs. Current specifications and quality control measures require the removal and clean up of these contaminants before the placement of concrete due to a concern of a reduction in bonding capacity. to 8-in. FIBRE EXPANSION JOINT is composed of cellular fibers securely bonded together and uniformly saturated with asphalt to assure longevity. Bond breakers are used in key components required for tilt-up construction. standard lengths. Share it with your friends! The Man Behind 9to5Civil.com. If rain strikes the surface before the coating is dry, any damaged areas must be recoated. Mainly, bond breaking tapes can be made of different . Bond breakers are used on concrete surfaces to reduce the cracking of slabs due to fluctuations in temperature and humidity. Contact Us Concrete Primers, Releases and Bond Breakers, {{product.defaultVariant.defaultPrice.formatted}}, {{ product.minPrice.formatted }} {{ product.maxPrice.formatted }}, Discover better prices and material with a surface skin - Open cell backer rod: primarily a foam material without a skin - Bicellular backer rod: sometimes called "soft" rod, this foam acts like a hybrid between open and closed cell rods - Bond Breaker Tape or Backing Tape: primarily a self-adhesive polyethylene or Teflon material - Hard rectangular . Fine & Coarse Aggregates. Due to its unique self-sealing characteristic, no subsequent joint sealing is required. Product Data Sheet (PDS) PDF - 329 KB (en) Sikaflex 2c NS TG. Bond breaker tapes are available in following width:15mm, 20mm, 25mm, 50mm. 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. Your email address will not be published. Download our popular SpecChem app for all devices. This is done to prevent its surface from sticking or bonding together. In some countries, petroleum-based materials have been in use. It is used to easily separate two surfaces. SDS. The American Concrete Pavement Association has created aGeotextile Separation Interlayer GuideSpecification. Concrete Bonding Adhesive has very strong adhesive characteristics that eliminate the need to roughen up the surface of the existing substrate before applying new material. The strength of the product bonding system can be known by modulus rapture. EQc2: Low-Emitting Materials [For Healthcare and Schools (exterior-applied products) ONLY]. Bond breakers minimize the varying dynamic loads on the precast components during their lifting and stripping from the casting molds. 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. Woven Stabilization and Separation Geotextiles, - Dimensions & Weights for EcoTubes Geotextile Dewatering Tubes, - Dimensions & Weights for EnviroGrid Cellular Confinement, - Material Safety Data Sheet (MSDS) - Drainboard, - Material Safety Data Sheet (MSDS) - Stratagrid, - Material Safety Data Sheet (MSDS) - Envirogrid, - Product Advantages of EcoTubes Geotextile Dewatering Tube, - Product Benefits of EcoTubes Sludge Dewatering Tubes, - Product Benefits of US Fabrics' Foundation Drains, - Product Benefits of US Fabrics' Sheet Drains, Design/Installation Guidelines; Applications, - Comparing Old Style & New Style - Strata Geogrid, - French Drain Exterior Foundation Install, - Geogrid & Welded Wire Form Inside Corner Placement, - Installation Guideline for Separation Heavy Geotextile, - Installation Guideline for Separation Medium Geotextile, - Sheet Drain Exterior Foundation Install, - Theoretical Tube Volumes & Dewatering Capabilities, - Typical Cross Section - Vegetated Reinforced Soil Slope, - Equivalent Products for Composite Drains, - Volumes & Dewatering Capabilities for EcoTubes Geotextile Dewatering Tubes, - Geogrid Quality for Finished Product and Raw Materials, - Use Woven Geotextiles Instead of Geogrids, - Municipal Waste Water & Water Treatment w/ EcoTubes, - SRW (Segmental Retaining Wall) Drainage. a water repellent, wax based bond breaker material. Can anyone point me in a direction? 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. In addition, it allows to easily separate surfaces in precast concrete production. Bond breaker tapes are used for isolating sealant and eliminating sealant adhesion to concrete and metal. It is applied to the casting slab to function as a bond breaker between the casting slab and the tilt-up or lift-slab panel. Do you folks carry that? Its adhesive system provides high adhesion and integration with concrete. The exposed concrete surfaces assure balanced adherence to the sides. In fact, some types of joint fillers can serve as a backing material and bond breaker, in which the applicator can apply the sealant directly on the filler. So construction hours are reduced. CONCRETE CUTTING EQUIPMENT. Join now! Bond breakers are commonly used for tilt-up walls and precast segments so that the right pieces are cast together. b. SDS. Precast products like concrete pipe, and u-shape drain are loaded into the truck using equipment like a crane. This type of bond breaker will react with water and form a crude soap. TILT-CRETE is low-VOC formulation that does not contain wax or hydro-carbon resins. A bond breaker should always be used between concrete pavement and cement treated base. The coefficient of thermal expansion in concrete is 0.0000055 per linear inch of concrete per degree Fahrenheit of temperature change, yielding approximately .66 inch of movement per 100 feet with a 100 F (38 C) temperature range. PACKAGING Article 100 of the NEC defines ground as "the earth.". Privacy and Cookies Policy Types of bond breakers Early attempts at bond bre a k i n g i n vo l v ed the use of heavy sodium-based greases on concrete molds. For proper mixing procedure refer to TILT-CRETE Proper Mixing Procedure Technical Bulletin. Formulated and recommended for use with Brickform Texture . TILT-CRETE has excellent stability and does not require continuous mixing throughout the application process; the material must be mixed only prior to application. German engineers have been successfully using non-woven geotextiles as bond breakers for decades. CERAMAR flexible foam expansion joint filler is composed of a unique blend of isomeric polymers in a very small, closed-cell structure. - Davco TTB Plus & Granito Plus, Does not interfere with concrete placements, Can be used as mould release agent as well. It is placed to ensure that there is no adhesive molecular bond between the surfaces. This premium-grade bondbreaker contains organic compounds that react with . They can be flexible sealants in the form of liquid, spray, rods, or tapes. CORK EXPANSION JOINT and SELF-EXPANDING CORK EXPANSION JOINT are used where high resiliency is needed, such as in sewage plants, floodwalls, spillways, filtration plants, and numerous commercial and industrial applications. It prevents cracks in the concrete slab due to variations in temperature and humidity. Concrete: Which Building Material is Better? Bond breakers are used more in precast units. | Types of Well Point System | Advantages & Disadvantages of Well Point System. We help brands optimize their online presence & performance. What are the different types of handrails used in bridges? Static load, also called the holdingload, is the force that will be applied to the linear actuator when it is not in motion. Used for tilt-up, and precast construction projects. Concrete Primers, Releases and Bond Breakers. Membrane-forming bond breakers have the property to hold the water in the casting slab. COVERAGE CERAMAR compresses easily for use with shrinkage-compensating concrete, and it may be used to relieve stress and pressure in concrete pavements. I am a Degree Holder in Civil Engineering. I have searched online for a standard on what type of oil / epoxy / sleeves to use, but nothing is coming up. This mini closed-cell structure is virtually non-absorbent. Bond The strength development of this concrete type must be hence factored in the project sequencing process. Position geotextile carefully and let it set until a strong bond is formed. Non-membrane bond breakers can be either reactive or non-reactive. Bond breakers allow the concrete to separate from each other without compromising the strength or appearance of the concrete. Infrastructure / Concrete Expansion Joints Video. ft./gal The bond breaker shall be applied at the manufacturing facility. The basic concept is to provide ample room for the concrete to expand and contract without creating damaging stresses and resultant cracking. | Type of Concrete Block | Difference Between Cinder Block Vs Concrete Block. PVC Expansion Joint Product Data Sheet (PDS) PDF - 254 KB (en) Sikaflex 2c Slope Grade. May be easily scored with a razor tool to create a void forPOURTHANE. Bond breakers will allow lifting and moving of precast pieces after stripping them from the form. 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. Do you folks carry that? Bond breakers prevent three-sided adhesion of the sealant (i.e. Sealers can also improve the appearance of floors and slabs. Bonds easily with common cartridge adhesives. I am looking for a bond breaker tape that I can use for hot pours (hot tar). 2. Wax is also a popular bond breaker material which is being used by many countries. SPONGE RUBBER EXPANSION JOINT is frequently used on bridge structures and sewage treatment plants that undergo rapid changes in temperature. It is used in special formwork in precast products such as cement pipes, concrete blocks, U-shaped drains, etc. 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. SikaBond-150 Premium Floor. properties are achieved. A bond breaker is a separator applied between surfaces of concrete. 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. Although the use of it includes certain drawbacks, it is still popular as a significant bond breaker material. Worldwide: 847.214.2100. Bond breakers allow for differential movement between the precast concrete backer and the stone veneer, helping prevent staining and cracking of the veneer. But these chemicals change the characteristics of the surface by the chemical reaction with the surface on which they are applied. A spray nozzle that produces a flow of 0.4 GPM under 40 psi (.276 MPa) of pressure is recommended. Advantages of Application of Concrete Bond Breaker, Difference Between One Way Slab and Two Way Slab | What is Slab, What Is Structural Settlement | Causes For Structural Settlement | What Is Soil Settlement &, What Is Pedestal | Functions of Pedestal | Methods of Construction: Pedestals | Advantages and Disadvantages of Pedestal, What Is Foundation | What Is Purpose of Providing Foundation | Types of Foundation, Nail Vs Screw | What Are Nail | What Is Screw, Difference Between CPM and PERT | What Is CPM & PERT, Top 10 Companies for Environmental Engineers to Work For, How is Concrete Made | What is Concrete | Components of Concrete | How to Mix Concrete, What Is Roller Compacted Concrete | Advantages & Disadvantages Roller Compacted Concrete, What Does Parapet Mean | Types of Parapet Wall | Uses of Parapet Wall, What Is a Flight of Stairs | Types of Stairs | How Many Stairs in a Flight | Some Facts About Stairwells, Cinder Block Vs Concrete Block | What Is Cinder Blocks | What Is Concrete Blocks, What Is Shoring In Construction | Type of Shoring, Floating Slab Vs Monolithic Slab | What Is Monolithic Slab | What Is Floating Slab, H-Beam vs I-Beam | What Is H-Beam | What Is I-Beam, Bond breakers are also used in breaking the bond between substrate and. This is a spray-type bond breaker. But the use of chemical curing compounds prevents the proper operation of bond breakers. Easy-Lift FD is applied to the concrete casting slab to efficiently prevent the bonding of subsequent concrete pours. A bond breaker is applied to the surface of the formwork before pouring concrete into the precast concrete. Bond breaker tape reduces the amount of time to move loads. (1.5, 1.83, 3.66m), 3, 3.5, 4, 6, 8 Bond breakers are used to extend the life of formwork. So that a joint can be provided in concrete. NOTE: The application of 1100 or VOCOMP series will interfere with the normal reaction of TILT-CRETE with the casting slab surface. Join TheConstructor to ask questions, answer questions, write articles, and connect with other people. DECK-O-JOINT will not whip or warp during application. When bond breakers are applied on a surface it substantially reduces the dynamic loads acts on the concrete, and also enables stripping of concrete members and permits their clean separation from casting slabs or moulds. Fatty acids are used as stearates as a reactive bond-breaking material. Workers should use a bond breaker or backer rod to install mastic in joint bottoms, which prevents the sealant from sagging into joints. Which can be cost-effective and time-saving for large structures. Apply backup rod and bond breaker tape in expansion joints. Various bond breakers like Nox-Crete, Crete Lease, J6 Surelift, Reid, and Dayton Superior can be used in concrete bond breakers. | What Is Compression? 1.02 REFERENCE STANDARDS Except herein modified, concrete work shall conform to the latest requirements/edition of ACI 301, Specifications for Structural . This product is then unloaded on the site. Note: Choose Options to Buy Online Package Size | Principle of Isometric Projections | Isometric Scale | What Is Isometric Drawing? Country I am a distributor for Lumber & Concrete Accessories and would like info on this product if you carry it please. 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. Most bond breakers are designed to provide curing compounds to the top sides of casting slabs or molds and precast members. The concrete bond breaker forms a kind of coating by chemical processing with the surface of the concrete. 2009-2021 The Constructor. The product(s) has been added to {{ listName }}. is one of the most cost-effective ways of enhancing structural capacity of . | Tributary Area in Column | How to Calculate Tributary Areas, Light weight Concrete | Properties of Lightweight Concrete | Type of Lightweight Concrete | Uses of Lightweight Concrete, What Is Folded Plate? Legal Notices / Imprint It is, X-FOAM expansion joint filler is a flexible, lightweight, non-staining, polypropylene, closed-cell expansion joint filler. All Rights Reserved. The improved X2 air filtration system allows the end-user to use the same air filter for up to . Rods are used in this type of bond breaker. DO NOT FREEZE. It is quick and easy to install. A bond breaker is a substance applied to concrete surfaces to guarantee that there is permanent bonding between the surfaces. Surface Preparation The casting bed should be clean and free of dust, dirt, and foreign matter. >T`ediXy6#;%?=c:w@9a&+RFg&&F F@,uFQ&nFgH3. In addition, it is applied to the concrete surface to reduce the cracking of the slab due to changes in atmospheric humidity. Concrete expands and contracts with temperature and moisture changes. During concrete construction, form oil, bond breaker, concrete splatter and other types of contaminants often contaminate reinforcement. It is placed to ensure that there is no adhesive molecular bond between the surfaces. 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. What is Tributary Area? SNAP-CAP provides a time and cost-saving method for forming straight, uniform and debris-free joints of the proper configuration, ready to seal. All the Basics on Concrete Anchors: Functions, Installation, and Types. Bond breaker Tapeis black self adhesive polyethylenetape that has excellent conformability to irregular surfaces. Concrete and Chemicals. KEYWAY is lightweight, flexible and an easy way to mold a keyed tongue and groove construction joint. EXPANSION <> CONTRACTION. Bond breakers are applied to the surface of the formwork so that the concrete precast can be easily separated from the formwork. Use the resulting anticipated movement to determine the correct thickness of the control joint and proper spacing for placement of the joint. Using a bond breaker can easily reduce the time to clean the formwork. This type of bond breaker will interact with the concrete surface and will create a waterproof film. TDS. 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. 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. It is ideal for both horizontal and vertical concrete projects. Sika BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions. If the bond breaker film is Select and use bond breakers [backer rod . Aquaband Bond Breaker is an innovative detailing system for waterproofing and sealing all types of joints, junctions, and areas subject to movement. Product Data Sheet (PDS) PDF - 300 KB (en) Sikaflex 110. FIBRE EXPANSION JOINT is versatile, resilient, flexible, and non-extruding. A bond breaker tape is a tape which prevents the sealant from adhering to a surface. Excellent stability; does not require continuous mixing throughout the application; the material must be mixed only prior to application. Some common materials used to create a bond breaker are: 6 to 10 millimeters polyethylene sheet 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 Bond breakers do not affect the characteristics of concrete surfaces. ","acceptedAnswer":{"@type":"Answer","text":"A non-reactive bond breaker bonds with a concrete surface to create a waterproof surface. Mixing Thoroughly agitate TILT-CRETE prior to each use. | Difference Between Compression and Tension, What Is Isometric Projection? Bond breakers reduce the time required to move heavily loaded precast elements. The primary purpose of providing bond breaker in the surface is to reduce the, Bond breakers are also used in breaking the bond between substrate and waterproofing membrane system, thus forming an. The tape shall be the same width as the joint. It is lightweight, highly flexible, and easy to cut or form in the field without waste. A bond breaker like a wax-based curing compound helps to prevent bonding. Approval may be granted for the application of 1100 concrete cure or one of the VOCOMP series cure-and-seal products from W. R. MEADOWS to be used as a cure coat prior to the application of TILT-CRETE as a bond-breaker. Required fields are marked *. Various bond breakers like Nox-Crete, Crete Lease, J6 Surelift, Reid, and Dayton Superior can be used in concrete bond breakers. Using braided sealant backing to compensate for a joint opening that is too large for the backing material. Many D.O.T.s have developed their own bond breaker specifications. It can be wrapped or formed around curved or circular surfaces. 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. SELF-EXPANDING CORK EXPANSION JOINT is especially desirable where a constant friction-fit is required. 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? If less than the recommended amount is applied, the film may not be continuous or of sufficient thickness to inhibit inter-slab moisture penetration which may result in panels sticking to the casting slab. | Type of Concrete Block | Difference Between Cinder Block Vs Concrete Block, What Is Zero Force Member? CORK EXPANSION JOINT is produced from clean, selected, granulated cork bonded with a phenolic resin. Please refer to ACI 551.1R: Guide to Tilt-Up Concrete Construction for additional recommendations. As the temperature rises or the moisture content of the concrete increases, expansion takes place. Bond Breaking: 200 400 sq. 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. Along with this growth, the use of bond breakers has also increased. Name may only contain letters, numbers and the characters : - _ or space. Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. In cast in situ construction, the concrete casting is done at prefabricated shops which join together with the old concrete surface, and once the concrete is poured, they become inseparable. This allows membrane release from the bond breaker, into a compressible medium. 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. Polyurethane sealants are known as fillet joints. A non-reactive bond breaker interacts with the concrete surface to create a waterproof surface. Expansion joints. When you join you get additional benefits. Spray at right angles to the cure coat spraying pattern. Bond breaker concrete is a water based bond breaker. Modulus Rupture indicates the bending strength of the material used in construction and its suitability for use in construction. Basically, it consists of a pressure-sensitive adhesive on one side, and a bond-inhibiting material on the other side. Most tapes used as bond breakers are made of polymer films such as PTFE and polyethylene. It locks into concrete and adjusts for any slab movement. 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. TILT-CRETE Save my name, email, and website in this browser for the next time I comment. In this scenario, TILT-CRETEs resistance to rain is highly reduced. Bond breakers are applied to surfaces to which concrete is poured by the monolithic slab method. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); At CivilJungle, we clarify civil engineering and publish all the happenings & news of civil engineering. A BCO with a minimum thickness of 4 in. or thicker. It is a chemical-resistant, ultraviolet stable,. Expansion Joint Cap Cures concrete casting slab and top of tilt-up or lift-slab panel. 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. TDS. SCP is a penetrating concrete treatment that does not change the surface of the concrete. Also, Read:What Is Structural Settlement | Causes For Structural Settlement | What Is Soil Settlement & Foundation Structural Settlement, In the modern construction industry, as the technology upgraded, a wide variety of bond breaker materials have been introduced. This helps the lean concrete to prevent excessive stiffness during the placement of the PCC layer. Abond breakeris a substance applied to concrete surfaces to guarantee that there is permanentbonding between the surfaces. Normal humidity conditions after installation activate the self-expanding properties of the cork. 6.3.2. Concrete Constituent Materials (i) Type GU Normal Portland Cement (ii) Fly Ash (iii) Aggregates (iv) Water (v) Air-entraining Agents (vi) Admixtures . Non-membrane forming bond breakers are divided into two types. ","acceptedAnswer":{"@type":"Answer","text":"Bond breakers are used to extend the life of formwork. Bond breaker does not affect the adhesion of. It strips quickly and can be reused or left in place. There are two types of loads which generally works in concrete member(based upon nature) Static and Dynamic loads.