In such cases, the use of bond breaker tape in lieu of backer rod is acceptable. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. For contraction joints a bond breaker tape or back-up strip must be used. Acting as the required system "bond breaker", the B50 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling high elongation, rupture resistance and up to 100% elastic recovery 💪 Clean joint surface, free from dust and other contaminants. 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). 01 SECTION INCLUDES. Hotwire 1200W 8m² Heating Mat (0) $1008. You can simply use a bond breaking sealant or preformed bond breaking corner, tape and pipe sleeves. PART 1 - GENERAL. Bond Breaker Tape: Polymer tape compatible with joint sealant materials and recommended by sealant manufacturer. Maximum sealant depth is 12mm and width is 38mm. The correct size grout joint is also a factor that helps with movement accommodation. Flexible Joint Sealant. e. 2 of AS3740, applicable to the Class of Membrane. The sealant does not adhere to it, and no separate bond breaker is required. Elastoproof B50 / B10 - Bond Breaker Joint Band. a bond breaker between the casting slab and the tilt-up or lift-slab panel. narrow joints. C. 3 D (D=Conc. Bastion Bond Breaker to be used as a flexible bond. It is important for the sealant to bond to joints in two places so it can expand properly. )SECTION 07 9200 - JOINT SEALANTS. 2. 2 Bond Breaking Tapes PART 3 EXECUTION 3. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating movement. Weatherproof, highly flexible and paintable* after it’s cured, it doesn’t need a primer before use. Size: 5 Metre x 100mm Roll. Sealant for concrete and masonry facades. sound substrate capable of developing optimum bond with joint sealants. Nitoseal SC600 may bond to the tapes and result in the failure of the joint sealant. No bond or adverse reaction shall occur between thebond breaker and the sealant. 4 mm), do not exceed 1/2 inch (13 mm) in depth. Working joint depths should never exceed 1/2" (12 mm) or be thinner than 1/8" (3 mm). Consisting of a unique grade of rubber, the Bond Breaker Waterproofing Joint. It is important for the sealant to bond to joints in two places so it can expand properly. These sealants cure upon exposure to moisture in the air to form aThis product acts as a powerful bond breaker in the prevention of bottom-side sealant adhesion. contraction to maximize accommodation of movement. 800. 1-11 Legend A. Install tap flanges. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Silicone WP Plus • Neutral cure, anti-fungal formulation. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. Not Recommended for Backing Material. G. Compare. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. 3 mm). Using braided sealant backing to compensate for a joint opening that is too large for the backing material. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Minimum depth is 6 mm and width is 6 mm. Yield proper bond breaker between the backup material and sealant. Soft backer rod should be approximately 25% larger in diameter than the joint width. See full list on ncma. Cork or rigid non-ASTM C1193 – Standard Guide for Use of Joint Sealants. Clean all surfaces. Clean and dry the joint or crack and install a new bond breaker before placing the sealant. Longer drying times are necessary in these areas. stress at the sealant bond line, they are more susceptible to chemical damage, while high modulus sealants (Class 1225) -. PART 3 - EXECUTION 3. It’s important to match the sealant contact depth to the type of joints. • Backer rods, joint fillers or bond breakers must be tight to the sides of the joint to prevent loss of sealant through the bottom. Used in joint sealing applications, Bond Breaker Tape stops. Place bond breaker tape in the bottom of the saw cut joint after it is cleaned and dried. 1 + 2+ 1 4 16 11 3 d = w = Unless Specified Otherwise In The Plans4 1 8 4 1 8 Joint Sealant Material To Be As Specified In The Plans 3 d = w = Unless Specified Otherwise In The Plans4 1 8 4 Joint Sealant Material To Be5. - Accepts joint movement. 3 mm). In addition, DOWSIL™ 890-SL Silicone Joint Sealant can be used on asphalt. SJ-03 Butt Type Sealant Joint with Latex Sealant Bond Breaker Butt-Type Sealant Joint Bonds two materials, typically 1/4” of adhesion needed on the surface, joint width varies by system. Bond. 1-11). Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. Polyethylene tape for isolating sealant and eliminating sealant adhesion to concrete, metals and joint. Add to cart. Sika® Duoflex NS is a two component, non-sag, premium quality polysulfide sealant, specifically designed for vertical and overhead surfaces. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. The sealant joint shall fully embed the bond breaker tape, extending 1/4” (6 mm) to 3/8” (10 mm) beyond the endUse joints greater than the minimum of 1/4 inch (6 mm width), since wider joints can accommodate more movement than narrow joints and can also result in a greater joint spacing. A bond breaker tape or backer rod must be present if joint movement is anticipated. Also available in grey and white. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. This is to ensure a tight compressed fit. sticking to the bottom of the joint and then tearing when the joint opens. Most substrates only require priming if sealant will be subjected to water immersion after cure. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Weep holes or open head joints should be located a maximum of 32 in. They also keep the contents of tanks, pipes, canals, and dams in. NOTE 1—This legend applies to Figs. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. For construction or contraction joints a bond breaker tape or back-up strip should be used. . 5 Priming 4. Davco K5 Bond Breaker is a neutral cure silicone designed to be used as a bond breaker in the installation of Class II & III waterproofing membranes. Acceptable types of bond breakers shall include: (a)Closed cell expanded polyethylene foam backer rod. Where hydrostatic pressure exists, only If the joint or crack becomes contaminated, damp, or wet, remove the bond breaker if it has been installed. The bond breaker simply forms a separating layer between the substrate and the membrane. Featuring the central “Flexible Zone” the Aquaband can accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. The ratio of joint width toVetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. PART 3 - EXECUTION 3. For nonmoving joints, the width to2. The combined system will satisfy the criteria of AS 3740 “Waterproofing of Wet Areas Within Residential Buildings” when used […] Emer-Proof Joint Seal Tape is a wet area grade elastic joint bandage, designed for use in waterproofing critical movement zones within internal and external wet areas. b. Three face adhesion can be prevented by using bond breakers. Also avoid applying sealants in ambient conditions where threat of rain is imminent. Bond breaker tape prevents adhesion to the back of shallow three-sided joints. 3 Synthetic Rubber 2. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. Joint Width Inches (mm) Joint Depth. b. Silicone sealants are used to seal joints in a wide variety of construction applications. Features. to maintain the recommended sealant depth, install backer rod by compressing and rolling it into. 5m / 6. Plus, it will retain its original diameter and is non-gassing when exposed to high sealant temperatures. Wrapped Mesh Embedded in Base Coat. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. 8. High elasticity – cures to a durable, flexible consistency with exceptional cut and tear-resistance. Bond-Breaker Tape: Polyethylene tape or other plastic tape. The work includes caulking and sealing of joints as required to seal the perimeters of openings in walls, penetrations in walls, expansion and control joints, and as required to. , measured at the center point of the joint width. For use with all Bastion Waterproofing Membranes. Mastic is a form of sealant or adhesive used to fill the joints or as a bond for different materials and gaps. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). •A thin bead of sealant (1/4" ± 1/8"Customer Service: 1. The sealant does not adhere to it, and no separate bond-breaker is required. The sealant must bond to only two surfaces such as. E. JOINT SEALANTS . For metal butt joints Bond Breaker Tape is applied to metal edges so the sealant can be "buttered" over the joint and canexposure to atmospheric moisture. 1 Introduction. Sikaflex 2C EZ. Lightweight – Nomaflex weighs 75%. Joint surfaces must be clean, dry and free from frost. 3. Without bond breakers, the joint sealer tears apart from movement. Sealant that does not bond to the concrete surface of the joint walls, contains voids, or fails to set toJoint Sealant: ASTM D5893. JOINT DESIGN QUIKRETE Polyurethane Sealants A thin bead of sealant will accommodate more movement than a thick bead. Silicone WP Plus Sealant. Sealant works like a rubber band or a shock absorber bonded between two surfaces, stretching back and forth as the two surfaces move. The maximum recommended joint width is 1. A b acker rod is an integral component of sealant joints, it provides three main functions that allow the sealant joint to perform. Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. 2. 1 Blocking Media/Backup Materials 2. org Bi-cellular sealant backing: composed of both open and closed cell polyethylene or polyolefin foam with a surface skin. the sealant joint depth (measured at the center) should always fall between the maximum depth of ½" and the minimum depth of ¼". It is an elastic and flexible material used to create a durable bond between two different surfaces or to protect a particular surface. • APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. Primer. substances such as over bond breakers or incorporating other reinforcement. 2 Trial Joint Sealant Installation 1. Unlike AIFB joint filler products, Nomaflex is: 1. SECTION 07920 – JOINT SEALANTS PART 1 GENERAL 1. Do not prime or puncture the backer rod. Bastion 300ml Bond Breaker Joint Sealant (0) $9. 6144. Help centre;Crommelin Reinforcing Fabric is a non-woven, rot proof polyester fabric for use in conjunction with Crommelin liquid applied waterproofing membranes. Features Snapshot. The maximum depth is ½” (13 mm) and the minimum is ¼ inch. Terminal joint, type HMA, shall consist of a sleeper slab, concrete lug, polyethylene bond breaker, and pre-compressed foam joint. In deeper joints, a polyethylene backer rod must be used to act as the bond breaker, and at the same time set the joint depth and support the sealant. Jakarta Barat Karya inti jaya. BondThe sealant should bond only to the substrates that will be moving. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. Because many backup materials act as bond breakers, a separate bond breaker material is not always required. Ideally this should be accomplished by mechanical means. Used in joint sealing applications, Bond Breaker Tape stops joint sealants from adhering to surfaces and preventing “3-sided adhesion,” which limits the ability of the sealant to accommodate movement. joint sealing or in flooring applications such as saw cuts jointing. Economic option for Joint Sealant in Waterproofing applications. The maximum depth is ½” (13 mm) and the minimum is ¼ inch (6mm). Minimum depthA. Apply continuous bead of USG Sheetrock® Brand Acoustical Sealant around all openingsD. Install approved backer rod or bond breaker tape in all joints subject to thermal movement to prevent three sided adhesion and to set the depth of the sealant at a maximum of 1/2 in. Drawing a bead on proper joint sealing. Davco K5 Bond Breaker is a neutral cure silicone designed to be used as a bond breaker in the installation of Class II & III waterproofing membranes. In shallow joints self adhesive polyethylene tape can be used. It is 2. Install bond breaker tape over substrates when sealant backings are not used. Suitable substrates for Sikasil®-728 SL are concrete, steel, glass, aluminium, masonry, asphalt, brick, natural stone and others. Control the depth of the sealant by using a polyethylene backer rod that is 25% larger than the joint opening at standard temperature. c. E. D. 4 MAINTENANCE OF SEALING JOINTS Sealing joints fulfill an important role when it comes to protecting the bond line from environmental influences or simply prevention of moisture or water ingress. Posted By : / hollywood beach marriott beach chairs /; Under :nars air matte blush torchnars air matte blush torchCorrect joint depth can be established by inserting polyethylene based Sika® Backer Materia,glass rod,etcl tightly into the joint. In a typical joint the sealant should adhere to both opposite surfaces of the sealant slot but not to its base, leading to two sided adhesion; not three sided adhesion. prevent bond. The use of multiple smaller backer rods or the use of part width or cut down backer rods, will lead to premature joint failure with incorrect sealant thicknesses and excessive joint widths. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. 5” use a 2:1 width to depth ratio to accommodate movement. Where the joint configuration will not permit a backer rod, CHEM LINK recommends that an alternative bond breaker be used. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up strips. PAGE 2. backer rod or foam bond breaker tape is applied over it, and the sealant installed and tooled. 3. Thioflex 600 multi-component joint sealant is based on a liquid polysulphide polymer, which when mixed and applied, cures to form a tough, rubber-like seal. 2 Joint slot surface preparation 5. Do not use bond breaker that will stain or adhere to the sealant. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. Apply bead of silicone or urethane sealant around the drain flange at the drain throat to join NA 1740 to the drain assembly. The cured. Sealant backer material is available in three types: Type I, Type II, and Type III, and serves one or more of the following purposes: (1) limits the amount and depth of sealant applied to a joint, (2) acts as a barrier interface to prevent backside adhesion (bondbreaker), and (3) provides a form to assist the sealant in developing a shape factor. Apply sealer materials using handguns or pressure equipment with proper nozzle size. Customer Service: 1. to internal corners and changes in wall/wall; hob/wall junctions, pipe penetrations, tap bodies, water stops, drainage outlets or similar • Bond breaker joints must be a minimum 12mm x 12mm coved bead of sealant. CHARACTERISTICS / ADVANTAGES Esay to use Closed cell Asists with joint design Assists with sealant profile Provides bond breaker Compatible with cold applied sealants (polyurethane, silicone)joint movement can be accommodated in a thin bead of sealant than in a thick bead. Where the joint depth does not permit the use of backer-rod, a bond breaker (polyethylene strip) must be used to prevent three-sided adhesion. For window perimeter joints, such as fillet beads or angle beads around windows and doors, the minimum. g. Tool as required, although minimum tooling is necessary. 1. 3. We also provide all type of joint sealants. 0-6. In joints too shallow for backer rod, a bond-breaker tape should be used to prevent three sided adhesion. 2 Bond Breaker Installation 7 4. The use of a bond breaker is not required in expansion joints containing cellular polyethylene joint filler, backing rod (Vetoflex PBR). Sikasil®-728 SL is designed to seal horizontal saw cut and expansion joints in concrete pavements on highways, airports, bridges, walkways, parking garages and driveways. No bond or adverse reaction shall occur between the bond breaker and the sealant. It is a guideline not an absolute rule. duracord is a self-releasing material, but if soft-board or cork is used as the joint filler, a plastic strip bond-breaker must be placed on the filler surface before sealant is applied. bead of sealant to seal perimeter of partition. To properly install sealant, you need to provide a joint between two materials. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. 11) Bedding The application of mastic to fill gaps or voids. contraction to maximize accommodation of movement. With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. Expansion/Contraction: 50% (±25%) as per ASTM C719. Avoid brushing on the bond breaker tape. The product should be used where appearance. Protect surfaces with masking tape. • Sanitary grade for interior and exterior use. As the temperature falls, the force required to stretch the sealant increases. The joints should be sized so maximum extension and compression does not exceed +100 and -50 percent respectively. 80 (400)ELASTOMERIC JOINT SEALANT / ADHESIVE. Priming is not usually necessary. Apply a fillet to all wall and floor junctions, and if a timber or cement based sheet has been used apply a sealant to the joint between the sheeting. 6 m ~ 1. Available in a 300ml cartridge and as a 600ml sausage. Add to Cart. Suitable for use with Bastion waterproofing membranes. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. Available in a 300ml cartridge and as a 600ml sausage. Economic option for Joint Sealant in Waterproofing applications. Hybrid MS Polyurethane sealant is designed for use as a bond breaking sealant as part of Crommelin liquid applied waterproofing membrane systems and is also suitable as a general purpose construction joint sealant and construction adhesive. 800. Bostik’s recommended sealants • Bond breaker is to be installed over the coat where a bond breaker joint is required, e. Material shall act as a bond breaker and shall be circular in cross section. Joint design Again to ensure long term performance the depth of the joint should be designed to be approximately half of the width especially on joints > 25mm wide. bead. Note: Not recommended for fire applications. Bond breaker. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. approximately 2” in length shall be made along the sides of the joint. PRIMING3. When the joints are not deep enough to accept a backer rod, a polyethylene bond breaker tape should be installed. 75 . Apply the sealant so that it is- All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. Bond Breaker Strips. Usage. 3. Sealant bead should be a minimum 1/4 inch (. The maximum depth of any sealant shall be 1/2” (13mm). Contact us4 MAINTENANCE OF SEALING JOINTS Sealing joints fulfill an important role when it comes to protecting the bond line from environmental influences or simply prevention of moisture or water ingress. Install bond breaker tape or backer rod to prevent bond at base of joint. (6. Sealing joints must be accessible and repairable. 1. Recess Joint Sealant Polyethylene Bond Breaker Tape Polyethylene Bond Breaker Tape Recess Joint Sealant Joint filler board In a typical joint the sealant should adhere to both opposite surfaces of the sealant slot but not to its base, leading to two sided adhesion; not three sided. Bond Breakers: A type of sealant backing. Ableflex will assist with reducing environmental elements such as sand and soil penetrating the expansion slot or joint. 3. 8 mils thick with an adhesion of 45 oz/in, a tensile strength of 110 lbs/in and elongation at break of 33%. Joint Filler, Backer Rod and Breaker Tape a. Bond Breakers. Sealants. Proper joint design is 2:1 width to depth ra-tio. The sealant must be a minimum 6mm in depth at the mid-point of the bond breaker joint and extend a minimum 6mm on either side of the joint or gap. In instances where the joint configuration will not permit a backer rod it is recommended that the use of an alternative bond breaker be used. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". Typically there are three components to the Bond Breaker System; a Fillet; bond-breaker tape and a waterproofing membrane. 4. EDP-0977(653)--7Y-29 . - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. Required For Construction Joints (D=Conc. DESCRIPTION Crommelin® Reinforcing Fabric with Bond Breaker is a 100mm wide self-adhesive non-woven polyester fabric. e. provides a non-stick surface to prevent sealant 3-sided adhesion. act as bond breakers, which allow the silicone sealant to move freely with the joint. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. )Sika® Tite Undertile is a membrane with high extensibility and is designed for use with a 12mm Bond Breaker, a bead of Sika® Neutral Cure silicone must be tooled off to form a 12mm wide bond breaker. Where hydrostatic pressures are present, compression should be to approximately 40% of its original size. , the vendor recommends appropriate field testing be performed to verify that all desired/required appearance. Closed cell backer rod or bond breaker tape must be installed at the bottom or base of the joint prior. Tremco Dymonic. Consisting of a unique grade of rubber, the Bondbreaker Waterproofing. • Apply a 150mm wide x 1mm WFT strip of Vulkem NEM un-reinforced. In acoustical applications, apply 1/4" (6 mm) minimum. (Vetoflex PBR). • Suitable for use as a waterproofing membrane bond breaker or as a highly durable finishing sealant. 4. Easy Seal Bond Breaker is a waterproof sealing band that is used at. That bond breaker creates the ideal joint design to keep your caulking and chinking stretching properly over time. Add to Cart. Use a size that will compress at least 25% when inserted into the joint. 2 cm) thick. 2. Neutral cure silicone used as a bond breaker. Control the depth of the sealant by using a Backer Rod that is 25% larger than the joint opening at its median temperature. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. therefore, sealant wastage is reduced. Add to Cart. CURE & TILT WB cures the concrete floor or casting slab and top sides of panels once poured. The sealant does not adhere to it, and no separate bond-breaker is required. It is important for the sealant to bond to joints in. 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’*. Poor Joint Design . Click here to access Bastion 300ml Bond Breaker Joint Sealant – User Guide When you’re in need, we’re here to help ! We offer a range of services including plumbing ,. Crommelin Bond Breaker Bandage 100mm x 50M Bond-breaker tape made of non-woven polyester fabric called Crommelin Polyfab BB is self-adhesive and intended to be installed over joints, fissures, or other places where structural movement is anticipated. • Use backer rod or bond breaker tape to eliminate a situation of "three‐sided adhesion" • Use 2:1 width to depth ratio to accommodate more movement than a thick joint (i. Special Order. 5. it into the joint channel without stretching it lengthwise. Elastic reinforcement essential for the critical movements areas. 4. The cured. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. All oil, dirt, debris, paint and any other material that may be a bond breaker must be removed. Filler: A sealant backing used behind a back-up rod. Acts as the bond breaker for the waterproofing system eliminating need for other sealants/tapes. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. Master Wall® System Latex Sealant as Bondthe joint shall be mechanically cleaned by water or sand blasting. 7 We r eh NA 1740 ends on any penetration, apply a bead of silicone or urethane sealant. Add to Cart. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. It is suitable for movement and connection joints for indoor and outdoor applications. The joint filler sop shall be of a closed cell expanded polyethylene foam backer rod and polyethylene bond breaker tape of sufficient size to provide a tight seal. Remains flexible with expansion and contraction of building component, based on good joint design. Uncured material can. Product code: 305534. - Substrate gaps at drainage outlets, flashings,. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. 55. Bond Breaker for extra protection. 0-3. 7. 3. Suitable Surfaces & Substrates. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. Customer Service: 1. Backer rods should be used when you need to increase elasticity in sealant, reduce caulk consumption by controlling sealant depth, force adhesive into contact for enhanced bonding, or to create a “bond-breaker” which allows the joint to be easily cleaned out and refilled. The B50 Joint Band is easy to install and provides for considerable time saving efficiencies and durable properties over conventional bond breaking sealants and tapes. Features & Benefits . Approval of the backer rod or bond breaker tape shall be made by the manufacture and engineer. Concerns: 1. 421. EXPANSION AND CONTROL JOINTS Sealant (depth is 1/2 width). 99. Self Adhesive Butynol Tape that is the ultimate in bond breaking. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. With a. This is when the sealant is adhered to the bottom and both sides of the joint. a low-range sealant used for filling or closing a seam, crevice or crack in order to make it watertight and airtight. This question is taken from book named – A Self Learning Manual – Mastering. Pavt. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. 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’*. PART 3 - EXECUTION. Davco K5 Bond Breaker is a neutral cure silicone designed to be used as a bond breaker in the installation of Class II & III waterproofing membranes. C. 46. Bond breaker systems can be optimized by installing foam backing rod in the junctions, on top of the cured membrane, before laying the screed. Most substrates only require priming if testing indicates a need. Prior to sealing, the top strip can then be pulled easily from the joint to provide an uncontaminated sealing slot ready for preparation and sealing. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. (Vetoflex PBR). B. Polyethylene tape is commonly used as bond breaker tape. 2. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. Tape Bond Breaker 1 84 1 8 to D (D=Conc. SKU: EUCO7002G. 1. Euco 700 Sealant Calculator. Prevention. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Provide backup material that is a compressible, non-shrinking, non-staining, non-absorbing material, nonreactive with the joint sealant. e. joints from 6 mm to 12 mm wide, width and depth must be equal. Function #6: Serve as a bond breaker1. 3. EN 13108-6 8.