Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. Bond Breakers. - Will not discolor sealants or substrates. 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). To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint filler. e. FIBRE. Most substrates only require priming if testing indicates a need. 0m / 2. Remains flexible with expansion and contraction of building component, based on good joint design. G. - Installs easily and quickly. Color: Clear: EUCO 700: Semi-Rigid Joint Filler quantity . Bastion Bond Breaker to be used as a flexible bond. 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. g. Depth = ½ Width. Compare. Sealant works like a rubber band or a shock absorber bonded between two surfaces, stretching back and forth as the two surfaces move. SYSTEM DESCRIPTION . Special Order. 5”use a 1:1 width to depth ratio and joints wider than . Bond breakers are not required as elastomeric sealants will not bond to dura. The number of joints and the joint width should be designed for a maximum of ± 35% joint movement from the initial joint width. - Low moisture absorption. the sealant during joint tooling, inherently directing the tooling force laterally to the sides of the joint to cause the sealant to wet the substrates, which promotes an adhesive bond. bond breaker tape sealantnext audible sale 2022. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. 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. When sealing joints and gaps, avoid three-sided adhesion by using bond breaker tape and/or backer rod. THE STANDARD SPECIFICATIONS, SERIES 2015, ARE AMENDED BY THE FOLLOWING MODIFICATIONS AND ADDITIONS. 932-1. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as three sided adhesion. sticking to the bottom of the joint and then tearing when the joint opens. PAGE 1 OF 3 AVD3070 REV 4/05 TABLE 1 - PHYSICAL PROPERTIES Property/Test Methods Value Shore A Hardness, ASTM D-2240. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. Mastic is a form of sealant or adhesive used to fill the joints or as a bond for different materials and gaps. For construction or contraction joints, use a bond breaker tape or back-up strip. Packaging: Grey 600ml. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating movement. 5 mil Low-Density Polyethylene Film Tape is frequently used after installing anchor rods in concrete to prevent cracks in the concrete surface. Tool sealant to ensure full contact with joint walls and remove air. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by. 000. Follow these guidelines when placing the sealant: a. a. Usage. Closed cell backer rod should be 25 % larger than. Stress relaxation to prevent splitting at edges. refer to table 1. Natural bond breaker; Bitumen-free and rot-proof; POLYBOARD. prevent bond. contraction to maximize accommodation of movement. Add to Cart. Use only the correct backer rod size. Silicone sealants are used to seal joints in a wide variety of construction applications. Typically there are three components to the Bond Breaker System; a Fillet; bond-breaker tape and a waterproofing membrane. Joint Sealant Material To Be 8") (w +1 Tape Bond Breaker Or Existing Joints Or Cracks. Where hydrostatic pressure exists, only If the joint or crack becomes contaminated, damp, or wet, remove the bond breaker if it has been installed. 55. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Where a particularly neat finish is required, mask. Add to Cart. Find Bastion 300ml Bond Breaker Joint Sealant at Bunnings. debris and failed sealants, such as in recaulk-ing applications. • Backer rods, joint fillers or bond breakers must be tight to the sides of the joint to prevent loss of sealant through the bottom. Both the structure and the sealant will expand and contract with temperature changes. JOINT SEALANTS . Waterproofing membranes. The cured sealant is durable and flexible enough to accommodate ± 50 percent movement of original joint dimension when installed in a properly designed weather seal joint. Where a particularly neat finish is required, mask the faceExpansion Joints - - All expansion joints must be isolated from the membrane by a minimum 12mm wide bond breaker tape that covers the entire width & length of the joint. All movement joints shall be recessed 2 mm below flush so that during joint contraction the sealant does not protrude above the surface and so become susceptible to damage from traffic. Features Snapshot. Des Moines County . • Wider joints (minimum of 1/4" width): as wider joints can accommodate more movement than narrow joints. 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. 2. Home DIY; Trade; Waterproofing. e. preventing pipe from contact with the outer sleeve. Find out more. 180. 94. Bond Breakers: A type of sealant backing. Essential to any sealant application is a backer rod or bond breaker tape. 6144. Important Considerations: Joint Cleanliness- A clean joint should have no visible signs of residual sealant or debris on the joint face and some form of backer rod or bond breaker tape be installed. Dimension A or B less than 6 mm (1/4”). Add to Cart. It is important however that the sealant/bond breaker rain screens are backed by aJoint Sealant Material To Be 8") (w +1 Tape Bond Breaker Or Crack Existing Joint Saw Cut Or Formed Joint 4"" to 1 8 1 4"" to 1 8 1 32" Max. For window perimeter joints, such as fillet beads or angle beads around windows and doors, the minimum. Do not prime or puncture the backer rod. Featuring the central “Flexible Zone” the Aquaband can accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. The correct size grout joint is also a factor that helps with movement accommodation. Discount Sealants, Caulks and Adhesives, Adhesive Sealants, NP1, SL1, Expansion Joint Sealants, Backer Rod, RV sealants, Glass Sealants, Deck and pool Sealants. act as bond breakers, which allow the silicone sealant to move freely with the joint. 1-800-474-7570 [email protected]. Allow the primer to dry as per the specification. Contact CRL Customer Service. PART 3 - EXECUTION. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. The polyethylene bond breaker shall be an approved polyethylene sheeting having a thickness of 6 mils or greater. Polyethylene tape is commonly used as bond breaker tape. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. 3. Place bond breaker tape in the bottom of the saw cut joint after it is cleaned and dried. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. 2:1 width to. Second, it aids in achieving an ideal shape of the sealant (e. typically up to 25% larger) than the actual width of the joint to provide a friction fitfrom the driving surface and should show necessary joint fill-ers, sealant backing, bond breakers, and bonding surfaces. • Mould and mildew resistant. C. Bond breaker tapes are obtainable in the mentioned width:15 mm,. Meets Federal Specification TT-S-00230C, Type II, Class A. Although not shown, vents can be installed in the vertical head joints at the top of masonry walls to provide natural convective air flow within the cavity to facilitate. For joints greater than 1 inch (25. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. Filler: A sealant backing used behind a back-up rod. 2. Product code: 305534. thickness of sealant, waste, application techniques, etc. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. - All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. 3. 421. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. 1 The primer used should be as named on the 4. Zip pay and Paypal available to purchase products online. The Work in this Section covers all sealant and caulking materials and. The sealant does not adhere to it, and no separate bond-breaker is required. " The sealant should bond only to the substrates that will be moving. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. Without bond breakers, the joint sealer tears apart from movement. Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. When a bond. Primary use shall be with new joint construction and remedial joint. D. Bond Breakers. This type of tape is made of polyolefin, or Teflon, and. Type 3 bond breakers are effective where membrane application occurs either below, or on top of the screed. The use of a bond breaker prevents undesirable three-sided adhesion. Polyethylene tape is the most. Material shall act as a bond breaker and shall be circular in cross section. Sikaflex® MS has been formulated for sealing joints in and around concrete, brick, masonry, pre-cast panels, stone cladding, windows, doors and fibre cement sheeting. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Rp5. Joint Width Inches (mm) Joint Depth. Bond breaker tapes are available in following width:15mm, 20mm, 25mm, 50mm. Anti Fungal. Increasing the width (W) of the joint and decreasing the depth (D) generally reduces. 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). Approved bondbreaker system conforming to AS 3740; Time saving simplified installation • Eliminates need for sealant bondbreakers and tapesContractor Polyurethane Sealant Permanently flexible with ± 25% movement capability. Add to Cart. the joint and completely fill the joint without spilling the material on the surface of the pavement. Uncured material can. JOINT DESIGN QUIKRETE Polyurethane Sealants A thin bead of sealant will accommodate more movement than a thick bead. sides of the sealant. Bond breaker tape approved by the sealant manufacturer may be used in lieu of bond breaker rod when sealing random cracks. 94. contraction to maximize accommodation of movement. Consisting of a unique grade of rubber, the Bondbreaker Waterproofing. Flexible Joint Sealant. The use of a bond breaker prevents undesirable three-sided adhesion. A bond breaker material shall be installed prior to installation of the sealant to maintain minimum or maximum depth of sealant. Approval of the backer rod or bond breaker tape shall be made by the manufacture and engineer. Bond breaker tape: primarily a self-adhesive polyethylene or Teflon material; Not Recommended Materials A rigid joint filler or sealant backing in joints that will. Movement capability of ± 25 (ASTM C 719) Good workability. Contact CRL Customer Service. Thick. • Apply closed cell polyethylene backer rod or bond breaker tape into joint to prevent 3 sided adhesion of the sealant. stress at the sealant bond line, they are more susceptible to chemical damage, while high modulus sealants (Class 1225) -. A narrow deposit of sealant applied to a building. The backer rod also acts as a bond breaker to keep the caulking from sticking to the bottom of the opening—called a three-sided bond—with the caulk only adhering to the sides of. A rigid joint filler or sealant backing in joints that will experience movement. Often necessary because of the sealant in-compatibility with these forms of fillers. Sealants in a rigid control joint with mortar are installed over a bond breaker tape, while sealants in an open expansion joint are installed over a sponge backer rod. Aquaband is an innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. When the joints have been filled with fibre filled board, this must be raked back to the required depth. 7 We r eh NA 1740 ends on any penetration, apply a bead of silicone or urethane sealant. Compare. 1. Industry standard is 5-year warranty for urethanes and horizontal silicones; 20 years for vertical silicones. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. 5 Priming 4. Suitable back-up material, duracord, must be used to adjust sealant depth in the joint to comply with the joint geometry cited in the table. If a solid formed joint base already exists as a result of the construction process it must be covered with a bond breaker tape. it into the joint channel without stretching it lengthwise. Flashing at lintels and sills (shown in Figures 2 and 3, respectively) is very similar. specified. Nitoseal SC600 may bond to the tapes and result in the failure of the joint sealant. Bond breaker Tape is black self-adhesive. Also avoid applying sealants in ambient conditions where threat of rain is imminent. We also provide all type of joint sealants. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. used. EN 13108-6 8. Often necessary because of the sealant in-compatibility with these forms of fillers. C. bond breaker tape sealant. 020 8524 1931. Surfaces Walls & fl oors. Where a particularly neat finish is required, mask. Control the depth of the sealant by using a polyethylene backer rod that is 25% larger than the joint opening at standard temperature. - Accepts joint movement. Finish Coat F. 3. Soft backer rod should be approximately 25% larger in diameter than the joint width. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. • Apply a 150mm wide x 1mm WFT strip of Vulkem NEM un-reinforced. joint width to sealant depth should be about 2:1. See full list on ncma. 1. JOINT PREPARATION The joint surface must be clean, dry and free from oils, loose mortar, laitance, release agents and other contaminants. Backer rod Sealant. In joints too shallow for backer rod, use a polyethylene bond-breaker tape to prevent three-sided adhesion. Tooling: 915 comes ready to use. 5 m ~ 4. 01 EXAMINATIONJoint dimension should allow for 1/4” minimum and 1/2” maximum thickness for sealant. 1 "Min. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. General purpose polyutherane exterior grade joint sealant. No bond or adverse reaction shall occur between the bond breaker and the sealant. You can simply use a bond breaking sealant or preformed bond breaking corner, tape and pipe sleeves. ) Not 3 D to 1 4 Saw Cut Or Parting Strip 1 TAPE BOND BREAKER PREFORMED ELASTOMERIC COMPRESSION SEAL BACKER ROD BOND BREAKER BACKER ROD BOND BREAKER TAPE BOND BREAKER CONCRETE-CONCRETE JOINTS CONCRETE. They also keep the contents of tanks, pipes, canals, and dams in. 5” use a 2:1 width to depth ratio to accommodate movement. e. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. Where hydrostatic pressure exists, only bond breaking tapes must be used,Bastion 300ml Bond Breaker Joint Sealant (0) $9. Without bond breakers, the joint sealer tears apart from. Protect surfaces with masking tape. Plus, it will retain its original diameter and is non-gassing when exposed to high sealant temperatures. Filler: A sealant backing used behind a back-up rod. PART 3 - EXECUTION 3. 5m / 3. 0-3. 1 litre can, average coverage 10m2Bond breaker and closed cell back-up material for use with joint sealants. Nomaflex does not impede cure time. A b acker rod is an integral component of sealant joints, it provides three main functions that allow the sealant joint to perform. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. SEALING OF LARGE MOVEMENT JOINTS HYPALON SHEETING COMPATIBLE, PROVEN ADHESIVE SEALANT BOND BREAKER TAPE CONCRETE SEALANT BACKER ROD (COMPRESSED. WHAT are Joint Sealants used for ? Joint sealants are used to seal joints and openings between two or more substrates. Polysulfides, silicones, and polyurethanes are examples of: high-range sealants. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. Add to Cart. Here, we’re going to. 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. Longer drying times are necessary in these areas. However, it is important to note that most backer rods can serve as a bond. Easy to install; Excellent recovery after 50% compression; Good thermal insulation properties; BITUMASTIC. Heat and melt the sealant in a melter constructed either as a double boiler filled with a heat-transfer medium between the inner and outer shells, or with internal tubes or coils carrying theElastoproof B50 / B10 - Bond Breaker Joint Band. Allow for proper sealant wetting of the joint surfaces. The sealant joint shall fully embed the bond breaker tape, extending 1/4” (6 mm) to 3/8” (10 mm) beyond the endThis type of tape is made of polyolefin, or Teflon, and. 1. Priming is not usually necessary. Neutral cure silicone used as a bond breaker. Clean all surfaces. contraction to maximize accommodation of movement. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. 2 of AS3740, applicable to the Class of Membrane. Material shall act as a bond breaker and shall be circular in cross section. Note: Not recommended for fire applications. Backer rods should be closed-cell polyethylene foam. 800. in deep joints, the sealant depth must be1/2 inch (13 mm). The sealant does not adhere to it, and no separate bond breaker is required. 2 mm) thick, and has high adhesion to steel or other structural metals. Use only the correct backer rod size. Bond. The shape of the sealant bead is also important for each application- see Figure 1. Expansion/Contraction: 50% (±25%) as per ASTM C719. Bond Breakers. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. 68 (150) Surface and ambient temperature minimum 40-100 maximum 14 days ChemMasters Aquanil Plus 100 (P)(1) Clean, free from dirt, dust, laitance, oil, grease, paints, curing or sealing compounds, tilt up bond breakers or other contaminants 1 Application: 9. Rod Closed Cell provides bond breaking, assists in the control of joint depths for correct joint design and re-ducing sealant consumption. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. Excellent adhesion; Flexible joint sealant; Single compone; Footer Menu. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Customer Service: 1. 42. 8 mils thick with an adhesion of 45 oz/in, a tensile strength of 110 lbs/in and elongation at break of 33%. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. Working joint depths should never exceed 1/2" (12 mm) or be thinner than 1/8" (3 mm). 0m / 5. 3. is a cus tom extrusion or mold made of higher durometer silicone rubber used in custom applications. sealants are as follows: EIFS, primer, sealant backing or bond breaker, adjacent substrates and sealant (see Figs. Excellent adhesion; Flexible joint sealant; Single component; BITUMASTIC GP. It is important for sealant to bond to joints in two places so it can expand properly. 01 WORK INCLUDED A. 2. In this case, the use of SNAP-CAP, KOOL-ROD, or a bond-breaker tape is not necessary. Bond breaker systems can be optimized by installing foam backing rod in the junctions, on top of the cured membrane, before laying the screed. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. Economic option for Joint Sealant in Waterproofing applications. We also provide all type of joint sealants. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Protect surfaces with masking tape. Concerns: 1. Sealant Melting. In addition, many backup materials also serve as bond breakers. Customer Service: 1. It is important for the sealant to bond to joints in two places so it can expand properly. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. 6 The performance of Sikaflex MS makes it a suitable sealant for weather sealing exterior wall constructions. Bond The sealant should bond only to the substrates that will be moving. contraction joints a bond breaker tape or back-up strip should be used. Figure 2 The width of building expansion joints vary because of seasonal and daily changes in temperature. MasterSeal NP 2 sealant. g. Pavt. • APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. Soft backer rod should be approximately 25% larger in diameter than the joint width. (6. As a bond breaker/joint profile former to support elastomeric sealants in expansion joints between all common building materials Roads, bridges, roof joints Expandafoam Closed Cell is used as a backing strip for non traffic-bearing expansion joints. If depth exceeds 1/2", use backer rod. The bond breaker simply forms a separating layer between the substrate and the membrane. Bond Breaker Tape: Polymer tape compatible with joint sealant materials and recommended by sealant manufacturer. Uncured material can. The use of a bond breaker is not required in expansion joints containing Fosroc Hydrocell or Expancell cellular polyethylene expansion joint fillers. Bastion 100mm x 10m Bond Breaker Joint Band is a. Third, it provides support for the joint sealant. 1/4” deep (6mm X 6mm). Sealant for concrete and masonry facades. The installation of solvent based polyurethane joint sealants beneath water based membranes can result in a breakdown in the membrane through solvent release. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. Install bond-breaker tape behind sealants where. For use on horizontal substrates. Flexible Joint Sealant. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. 10 WARRANTY SPEC WRITER NOTES: 1. 5 m ~ 7. , measured at the center point of the joint width. 5” use a 2:1 width to depth ratio to accommodate movement. joints from 6 mm to 12 mm wide, width and depth must be equal. Bond Breaker for extra protection. 3 Synthetic Rubber 2. The cured. Tool as required, although minimum tooling is necessary. used. Economic option for Joint Sealant in Waterproofing applications. . That bond breaker creates the ideal joint design to keep your caulking and chinking stretching properly over time. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. In joints up to 0. SKU: EUCO7002G. They are also used over movement joints. Most substrates only require priming if sealant will be subjected to water immersion after cure. Weep holes or open head joints should be located a maximum of 32 in. Most substrates only require priming if sealant will be subjected to water immersion after cure. For use with all Bastion Waterproofing Membranes. construction or contraction joints polyethylene bond breaker tape or back-up strip must be used. 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’*. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. Open cell polyurethane foam or closed cell polyethyleneSilicone WP Plus sealant is available in translucent, grey and white and is also suitable for use as a finishing and roof & gutter sealant. Sealants can help pre-Joints shall be designed with a depth to width ratio of 1:2 (joint depth one-half the width). $9. 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. 6 m ~ 1. For oil-based paints undercoat with water-based primer. • Neutral cure – will not corrode concrete or zinc coated. 4. Remove loose particles remaining after cleaning operations above by vacuuming or blowing out joints with oil. 2 mm) thick, and has high adhesion to steel or other structural metals. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. Joint Sealant Material To Be 8") (w +1 Tape Bond Breaker Or Crack Existing Joint Saw Cut Or Formed Joint 4"" to 1 8 1 4"" to 1 8 1 32" Max. C. Backer Rod is an i ntegr al component of sealant joints, it provides three main functions that allow the sealant joint to perform. - Compatible with cold-applied sealants. 3. Hybrid MS Polyurethane Sealant. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. The use of sealant joints is prevalent in building design and construction, aerospace, automotive, electronics, tank fabrication, and construction industries. 1. 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. Essential to any sealant application is a backer rod or bond breaker tape. JOINT DIMENSIONS Joint size should not exceed 1/2" wide x 1/2" deep. It is widely utilised as a gap filler and/or bond breaker for wall joints and floor, as a filling. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. 421. • For a joint size larger than 1 inch, the depth should be kept to between . 2 mm) thick, and has high adhesion to steel or other structural metals. C. Visit our Shop Online page to learn more. Expansion/Contraction: 50% (±25%) as per ASTM C719. Jakarta Barat Mulia Jaya Packing. Features. Bond Breakers: A type of sealant backing. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. compounds, tilt up bond breakers or other contaminants 1 Application: 3. This base surface can be an isolation or expansion joint filler material, concrete, backer rod, or any other base that can lead to a three-plane adhesion condition.