1 DESCRIPTION: A. 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. Tel: +61 3 9279 9333. Soft backer rod should be approximately 25% larger in diameter than the joint width. It is commonly used in applications such as expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction. 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. 421. This ensures the correct and uniform sealant depth along the whole length of the joint. Product code: 305534. (See Figure 1, page 27. Apply sealant using consistent, positive pressure to force sealant into the joint. The minimum requirement for appropriate Bond Breaker application is outlined in Table 3. 75 . Three face adhesion can be prevented by using bond breakers. 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. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. Polyethylene tape is commonly used as bond breaker tape. The ability of a sealant installation to remain weathertight is critically depen-dent on proper preparation, continuity, durability of the sub-strates to which the sealant will adhere, and compatibility ofSealant placement is critical. Hardie™ Joint Sealant 300ml Cartridge. 1 Blocking Media/Backup Materials 2. Use bond breakers that are chemically inert and resistant to oils, gasoline, solvents, and primer, if one is required. Product code: 305534. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. Bond breaker Tape is black self-adhesive. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. The maximum depth is ½” (13 mm) and the minimum is ¼ inch (6mm). 94. Add to Cart. Joint Width E. Application: All joints should be masked to ensure a neat appearance and prevent sealant applied outside the joint confines from imparting a discoloration to the substrate. 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. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. • Sanitary grade for interior and exterior use. 5. The surface of a building component or joint that serves as a substrate for sealant and to which the sealant is bonded. This type of tape is made of polyolefin, or Teflon, and. 000. A roughened surface will also enhance bond. 2 Trial Joint Sealant Installation 1. 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’*. Bond Breakers. • Suitable for use as a waterproofing membrane bond breaker or as a highly durable finishing sealant. 800. 375” to 0. the sealant should be 1/2 the width of the joint. bead. It is important for sealant to bond to joints in two places so it can expand properly. Sealants will fail in cohesion (split) if bonded on. Closed cell backer rod diameter should be larger (i. polyethylene bond breaker tape to prevent three-sided adhesion. Find Bastion 300ml Bond Breaker Joint Sealant at Bunnings. Bond. 46. When sealing joints and gaps, avoid three-sided adhesion by using bond breaker tape and/or backer rod. This allows membrane release from the bond breaker, into a compressible medium. A narrow deposit of sealant applied to a building. The cured sealant. The use of a bond breaker prevents undesirable three-sided adhesion. (6. 99. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. 3 D (D=Conc. Collect Flybuys points when you shop in-store or online! *Some exclusions apply. Also performs as the bond breaker for the waterproofing system. Use a size that will compress at least 25% when inserted into the joint. The primary function of a joint sealant is to prevent the intrusion of un-wanted substances into or through the joint. 5”use a 1:1 width to depth ratio and joints wider than . Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. 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. This is when the sealant is adhered to the bottom and both sides of the joint. The cured. org Bi-cellular sealant backing: composed of both open and closed cell polyethylene or polyolefin foam with a surface skin. thickness of sealant, waste, application techniques, etc. The ideal working joint depth is 1/4" (6 mm). Neutral cure silicone used as a bond breaker. 3. ® cord. The rainscreen principle attempts to: prevent wind-driven water from breaching a curtain wall by equalizing the air pressure on both sides of the wall. 1. The joints should be sized so maximum extension and compression does not exceed +100 and -50 percent respectively. 2. 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. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. in optimal conditions, the depth of the sealant should be ½ the width of the joint. c. Suitable Surfaces & Substrates. Size: 5 Metre x 100mm Roll. 80 (400)ELASTOMERIC JOINT SEALANT / ADHESIVE. 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. Install bond breaker tape over substrates when sealant backings are not used. In all joints a bond breaker must be used to prevent sealant contact with the back of the joint, and hence allow optimum performance. e. 180. Uncured material can. 2. 1 The primer used should be as named on the 4. Always use bond breaker tape or closed cell back-Joint Backing: Backer rod is necessary to control depth of sealant and provide a base for tooling pressure. Available in a 300ml cartridge and as a 600ml sausage. after the sealant is cured, as it is extremely difficult to apply such materials onto the surface without contaminating the joints. This reduces cost and improves installation time. 75 . Bond Breaker Tape is a polyethylene tape used to prevent 3-point adhesion in shallow caulk joints or joints where backer rod cannot be used. , the vendor recommends appropriate field testing be performed to verify that all desired/required appearance. Add to Cart. The shape of the sealant bead is also important for each application- see Figure 1. 000. 800. Add to Cart. to maintain the recommended sealant depth, install backer rod by compressing and rolling it into. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Tel: +61 3 9279 9333. 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. APPLICATION RANGE Performance Levels Commercial and residential Location Internal wet areas, balconies, decks, and other areas that will be tiled or otherwise protected from regular foot traffi c. Bond Breaker Tape: Catalog number 827T by C. To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint. 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. In joints too shallow for backer rod, use a polyethylene bond-breaker tape to prevent three-sided adhesion. - Substrate gaps at drainage outlets, flashings,. 6 ENVIRONMENTAL REQUIREMENTS 1. Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. Bond Breaker Black Polyethelene Tape. When you’re in need, we’re here to help! Features. It is important for the sealant to bond to joints in two places so it can expand properly. Tape Bond Breaker 1 84 1 8 to D (D=Conc. 6 cm) thick but no greater than 1/2 inch (1. If ambientAsphalt Sealant. In all joints a bond breaker must be used to prevent sealant contact with the back of the joint, and hence allow optimum performance. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. Contact CRL Customer Service. essential that bond breaker tape or polyethylene closed cell backer rod be used to regulate joint depth and prevent three sided adhesion. Figure 1. with Bond Breaker . Low VOC Sets in just 2 hoursActing as the required system "bond breaker", the B50 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. Bond The sealant should bond only to the substrates that will be moving. 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. Proper design is 2:1 width to depth ratio for movement joints. Vetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. But when a sealant material is required, a portion of the filler is removed to form the necessary space for the sealant and its backing material (if required). The ratio of joint width toVetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. Where hydrostatic pressures are present, compression should be to approximately 40% of its original size. Install bond breaker tape or backer rod to prevent bond at base of joint. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. The round profile assists in providing the correct joint sealant profile allowing optimum movement. , measured at the center point of the joint width. 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. 1. No bond or adverse reaction shall occur between the bond breaker and the sealant. Hotwire 1200W 8m² Heating Mat (0) $1008. 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. Find out more. The bond breaker shall serve to ensure that the bottom of the sealant is bond free, thereby allowing the sealant to adhere only to the sides of the joint. Where a particularly neat finish is required, mask the face edges of the joint before sealing and remove immediately after tooling is. Mechanical methods, such as wire brushes, grinders, etc. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. 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. Still Not Sure? Call our 7 Day. Hot backer rod is a backstop material for most hot-pour sealants used to fill contraction and expansion joints of concrete highways, runways, driveways, and parking lots. It is a guideline not an absolute rule. Sealant backing. Thioflex 600 is a multi-component joint sealant, based on a liquid polysulphide polymer, which when mixed and applied, cures to form a tough, rubber-like seal. Install tap flanges. 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. It shall be compatible with the joint sealant and no bond or reaction shall occur between the rod and the sealant. Add to Cart. Depth = ½ Width. A b acker rod is an integral component of sealant joints, it provides three main functions that allow the sealant joint to perform. Bleeding The loss of fluids from mastics and sealants Bond breaker A release material to prevent adhesion of sealant to the back of a joint (see fig. Sikaflex® PRO is a 1-component, moisture-curing, elastic joint sealant. Fastflex is an ideal choice for concrete. 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). Besides shape and size, an important attribute to consider is the. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. Sikasil® is Sika’s line of professional-grade silicone sealants that are ideal for applications including glass-to-glass and glass-to-metal surfaces. Sealant for concrete and masonry facades. a bond breaker between the casting slab and the tilt-up or lift-slab panel. Contact CRL Customer Service. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. A bond breaker tape or backer rod must be present if joint movement is anticipated. Compatible with Davco K10. EXPANSION AND CONTROL JOINTS Sealant (depth is 1/2 width). With a. In joints up to 0. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. Bastion 300ml Bond Breaker Joint Sealant (0) $9. 3. Sikaflex® Concrete Fix is a moisture-cured, one-part, non-sag and elastomeric polyurethane sealant. Sealants can help pre-Joints shall be designed with a depth to width ratio of 1:2 (joint depth one-half the width). enhance bond. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. 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. Bond breakers should be utilized with deep joint applications. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). Joint Sealant Material To Be 8") (w +1 Tape Bond Breaker Or Existing Joints Or Cracks. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. From 12 mm wide to 24 mm wide the depth should be 12 mm,. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. Recommended Backing MaterialsThe bond breaker tape shall be approximately 1/8 inch wider than the nominal width of the joint and shall not bond to the joint sealant. - Substrate gaps at drainage outlets, flashings,. . com. B. Color: Clear: EUCO 700: Semi-Rigid Joint Filler quantity . 42. 5. Using braided sealant backing to compensate for a joint opening that is too large for the backing material. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. Compare. Excellent adhesion; Flexible joint sealant; Single component; BITUMASTIC GP. 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. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. approximately 2” in length shall be made along the sides of the joint. Bond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for preventing sealant from adhering to rigid, inflexible joint-filler materials or joint surfaces at back of joint where such adhesion would result in sealant failure. Priming is typically not necessary. 2 Bond Breaker Installation 7 4. Primary use shall be with new joint construction and remedial joint. au4. Bastion Bond Breaker to be used as a flexible bond. 3. (6. Laurence Co. Add to Cart. It’s ideal for sealing expansion and construction joints in vertical and horizontal applications. 10 WARRANTY SPEC WRITER NOTES: 1. specified. 1. Note: Not recommended for fire applications. •A thin bead of sealant (1/4" ± 1/8" Documents. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. Publications listed below form a part of this specification to extent referenced. Apply sealant into joint slot in one direction and allow sealant to flow and level out as ne-cessary. e. e. The polyethylene bond breaker shall be an approved polyethylene sheeting having a thickness of 6 mils or greater. For sealing shallow joints Bond Breaker Tape is applied to the bottom of the joint so the sealant will bond only to the walls. 4. Apply continuous bead of USG Sheetrock® Brand Acoustical Sealant around all openingsD. act as bond breakers, which allow the silicone sealant to move freely with the joint. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non - Hazardous, Non Toxic Non - Staining Customer Service: 1. The ratio of joint width of sealant to depth should be 2:1. The back rod and breaker tape shall be installed in the saw-cut joint to prevent the joint sealant from. Elastic reinforcement essential for the critical movement areas. palette knife, masking tape, bond breaker tape, tool cleaner, paint brush for priming, helical mixing paddle and non porous surface primer. 2 cm) thick. Approval of the backer rod or bond breaker tape shall be made by the Engineer. This article discusses the features of mastic sealants in the construction industry. 1 SEALANTS 2. Bastion 15kg Under Tile. Tremco Dymonic. EN 13108-6 8. e. 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. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. Most substrates only require priming if sealant will be subjected to water immersion after cure. Ad. 4. minimum 12mm x 12mm coved joint. Minimum depthA. Mastic Sealant. Sealants - the Professional's Guide. Where hydrostatic pressure exists, only If the joint or crack becomes contaminated, damp, or wet, remove the bond breaker if it has been installed. Warranty. If depth exceeds 1/2", use backer rod. 3. Compatible with Davco K10 Plus, Davco K10 Rapid and Davco Dampfast. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. WHAT are Joint Sealants used for ? Joint sealants are used to seal joints and openings between two or more substrates. Bond Breakers or masking tape Bond breakers prevent three-sided adhesion of the sealant (i. Compare. • For a joint size larger than 1 inch, the depth should be kept to between . R. Bandage seal (Bandage joint) The application of sealant across a joint which is not designed to accommodate a sealant (see fig. When you’re in need, we’re here to help!Features. Bastion Bond Breaker Joint 100mm either side of joint Wash down with appropriate Sealant should be applied and in the case of a cleaner and flush with fresh to produce 12mm x 12mm designated shower area the water and allow to dry Loose minimum coved bead over total wall area 100mm rose or damaged membranes change of plane joints . 3 Hot rolled acc. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. , Inc. 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. Zip pay and Paypal available to purchase products online. 020 8524 1931. For construction or contraction joints, use a bond breaker tape or back-up strip. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. For good adhesion, the joint interface must be sound, clean and dry. Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. When the joints have been filled with fibre filled board, this must be raked back to the required depth. Ideally this should be accomplished by mechanical means. No bond breaker material; therefore the joint will not. Flexible Joint Sealant. Effective Date . External walling and cladding Expandafoam Closed Cell is used as a backing strip forMasterSeal NP 2 sealant. It is suitable for movement and connection joints for indoor and outdoor applications. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Sealant works like a rubber band or a shock absorber bonded between two surfaces, stretching back and forth as the two surfaces move. More joint movement can be accommodated in a thin bead of sealant than in a thick bead. SKU: EUCO7002G. Publications are referenced in text by basic designation only. Dimension C must be at least 6 mm (1/4”). - Gives proper shape to sealant for effective function. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. In addition, DOWSIL™ 890-SL Silicone Joint Sealant can be used on asphalt. 6144. 5” use a 2:1 width to depth ratio to accommodate movement. 3. The product should be used where appearance. Bastion 100mm x 10m Bond Breaker Joint Band is a waterproof reinforcing and bond breaking band that is used as wall/floor junctions to protect the most critical areas of the waterproofing application. Proper design is 2:1 width to depth ratio. (Class 1225) - are generally more resistant to such damage. Third, it provides support for the joint sealant. 3 D (D=Conc. B. Sealing joints must be accessible and repairable. 1. Consisting of a unique grade of rubber, the Bondbreaker Waterproofing. Sikaflex®-406 KC is a one-part, self-levelling, elastic joint sealant, with high mechanical and chemical resistance. 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. Add to Cart. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. 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. 3M™ Bond Breaker Tape 8891 features a strong polypropylene backing with a synthetic rubber resin adhesive. Joints subjected to hydrostatic pressure must have a solid formed base to provide sealant support. provides a non-stick surface to prevent sealant 3-sided adhesion. In this con-Compact sealant into joint with a wet wooden spatula and smooth off to the desired finish. D. Install approved backer rod or bond breaker tape in all joints subject to thermal movement to prevent three-sided bonding and to set the depth of the sealant at a maximum of 1/2 in. Back-up Rod: A type of sealant backing. 7 (c) in the Standard doesn’t require a bond breaker at all. 0m / 5. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by James Hardie. 3. Where the joint depth does not permit the use of backer rod, a bond breaker (polyethylene strip) must be used to prevent three-point bonding. Bond Breaker Polyethelene Tape Black Roll used in shallow building joints to prevent 3 sided adhesion. 0m / 2. PART 3 - EXECUTION 3. g. 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. HBR acts as a bond breaker to allow joint movement without undue stress to the sealant. Bond Breaking. refer to table 1. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. For construction or contraction joints a bond breaker tape or back-up strip should be used. Self Adhesive Butynol Tape that is the ultimate in bond breaking. 3. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Gripset Betta 4kg Water Plug (0) $57. Use a sealant backing or bond breaker tape to eliminate "three-sided adhesion. SEALING OF LARGE MOVEMENT JOINTS HYPALON SHEETING COMPATIBLE, PROVEN ADHESIVE SEALANT BOND BREAKER TAPE CONCRETE SEALANT BACKER ROD (COMPRESSED. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Pavt. Master Wall® System Latex Sealant as Bondthe joint shall be mechanically cleaned by water or sand blasting. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. 2. The maximum depth is ½” (13 mm) and the minimum is ¼ inch. stress at the sealant bond line, they are more susceptible to chemical damage, while high modulus sealants (Class 1225) -. Bastion 100mm x. Correct joint depth can be established by inserting closed cell polyethylene backing rod tightly into the joint. To ensure free movement in the joint, bond breaker tape is placed between the joint sealant and joint filler. B. Types of bond breakers. 5 m ~ 4. In joints where polystyrene or bitumen impregnated fillers have been used, Abelflex is ideal as a bond-breaker. Thick. - All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. 2:1 width to. BondThe sealant should bond only to the substrates that will be moving. It is important for the sealant to bond to joints in. Add to Cart. 421. to prevent joint depths from exceeding ½ in (13 mm). Often necessary because of the sealant in-compatibility with these forms of fillers. 375” to 0. 2 mm) thick, and has high adhesion to steel or other structural metals. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. June 15, 2021 . Tooling: 915 comes ready to use. Flexible Joint Sealant. Used in joint sealing applications, Bond Breaker Tape stops. Bond breakers Bond breakers in the form a tape is made of PVC or metal or paper. Rod Closed Cell provides bond breaking, assists in the control of joint depths for correct joint design and re-ducing sealant consumption. Use bond breaker tape over the backer material. 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). sticking to the bottom of the joint and then tearing when the joint opens. It incorporates a self-adhesive portion (central 1/3 of tape) that acts as a bondbreaker - over joints, cracks or other. The. Inside Corner Joint: Where substrates are abutting and no-to-minimal joint movement is anticipated , provide bond breaker tape in the corner extending no less than ” (6 mm) out from the corner in BOTH 1/4 directions (see Image 2). 2 mm) thick, and has high adhesion to steel or other structural metals. (813 mm) apart. Polyethylene tape is commonly used as bond breaker tape. If this product will be used.