The minimum requirement for appropriate Bond Breaker application is outlined in Table 3. Meets Federal Specification TT-S-00230C, Type II, Class A. Prevention. the joint opening at standard temperature. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Elastic reinforcement essential for the critical movements areas. 3 D (D=Conc. Also available in grey and white. Tremco Dymonic. 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. 5 Replacing Existing Sealants 7 4. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. c. Often necessary because of the sealant in-compatibility with these forms of fillers. We also provide all type of joint sealants. Clean all surfaces. Customer Service: 1. Consisting of a unique grade of rubber, the Bond Breaker Waterproofing Joint. 94. 1 Rubber 2. Compare. 2 PRIMERS 2. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. A roughened surface will also enhance bond. Elastoproof B50 / B10 - Bond Breaker Joint Band. 7. Contact CRL Customer Service. e. Without bond breakers, the joint sealer tears apart from. Concerns: 1. Add to Cart. 5” use a 2:1 width to depth ratio to accommodate movement. Approved bondbreaker system conforming to AS 3740; Time saving simplified installation • Eliminates need for sealant bondbreakers and tapes 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. 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. Compatible with Davco K10. This ensures the correct and uniform sealant depth along the whole length of the joint. 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 . Sealant that does not bond to the concrete surface of the joint walls, contains voids, or fails to set toJoint Sealant: ASTM D5893. Working joint depths should never exceed 1/2" (12 mm) or be thinner than 1/8" (3 mm). PAGE 2. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. e. All joint facings must possess an open surface texture with all curing compounds and sealers removed. Priming is typically not necessary. 2:1 width to. 94. 3 The primer and sealant should be compatible measured at any point coinciding with the top level with the bond breaker tape or joint filler material of the sealant should be not less than the minimum used. 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. For sealing shallow joints Bond Breaker Tape is applied to the bottom of the joint so the sealant will bond only to the walls. Depth = ½ Width. Features. A backing material shall be placed as shown on the plans and shall be nonadhesive to the concrete or the sealant material. C. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. 2 mm) thick, and has high adhesion to steel or other structural metals. bond breaker to prevent 3-sided adhesion. characteristic values of the joint sealant and the adjacent building materials, the exposure of the building elements, their construction and size. SECTION 07920 – JOINT SEALANTS PART 1 GENERAL 1. The sealant does not adhere to it, and no separate bond breaker is required. Joint-Sealant: One-part silicone sealant, having a joint movement capability of plus-or-minus 100% elongation, minus 50% compression, and Shore A durometer hardness of 15. Figure 4 shows a section of sealant removed from a failed joint. Joint Width Inches (mm) Joint Depth. June 15, 2021 . When the joints have been filled with fiber filled board, this must be raked back to the required depth. 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. 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,. Bandage seal (Bandage joint) The application of sealant across a joint which is not designed to accommodate a sealant (see fig. Add to Cart. Self Adhesive Butynol Tape that is the ultimate in bond breaking. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Economical Easy to install Readily compressible Rot proof and non-absorbent Provides bond breaker and minimum strain shape for joint sealants Provides a firm backing for sealant tooling Advantages The use of Expancell will also act as a bond breaker at the base of the joint thus preventing three sided adhesion and the accompanying additional. Excellent adhesion; Flexible joint sealant; Single component; BITUMASTIC GP. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. A high-performance Bond Breaker Joint Sealant to. g. Jakarta Barat Karya inti jaya. Where a particularly neat finish is required, mask. Bond Breaker Strips. Apply the masking tape on the edges of the both the joint faces. Never use open cell rod in on grade horizontal joints. 1 "Min. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. Rod Closed Cell provides bond breaking, assists in the control of joint depths for correct joint design and re-ducing sealant consumption. Silicone WP Plus Sealant. Polyethylene tape for isolating sealant and eliminating sealant adhesion to concrete, metals and joint. The portion of the sleeper slab on which the polyethylene bond breaker is to beClick 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, electrical, gas fitting, handyman services, appliance repairs, bathroom renovation and much more. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. When you’re in need, we’re here to help!Features. For construction or contraction joints a bond breaker tape or back-up strip should be used. The round profile assists in providing the correct joint sealant profile allowing optimum movement. The ratio of joint width of sealant to depth should be 2:1. Install bond breaker tape or backer rod to prevent bond at base of joint. THESE ARE SPECIAL PROVISIONS AND THEY SHALL PREVAIL. The depth of the sealant joint should be ½ the width of the joint. 2. Cut spout or tip to desired bead size. High recovery rate. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating movement. Bond Breakers. It seems insignificant, but some sort of bond breaker — backer rod or grip strip or clear packing tape — is the difference between a long-lasting, durable caulking and chinking job and redoing the work year after year. (See Figure 1, page 27. Furnish labor, materials, equipment and services necessary to caulk and seal. SOF-SEAL® or any hot-applied sealant, such as HI-SPEC®, can be used to protect the joint. In joints too shallow to take a backer rod, use a bond breaker tape to prevent three-sided adhesion. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. C. 800. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. Tape Bond Breaker 1 84 1 8 to D (D=Conc. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. ) 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. STEP FOUR: FILLING THE JOINT BACKING MATERIAL: closed cell, or bicellular backer rods or bond breakerA bond breaker is a separator substance applied in between adjoining solid surfaces to ensure that there is no adhesive molecular bond between the surfaces. Product Data Sheet Show all documents. Apply the right amount of sealant. More joint movement can be accommodated in a thin bead of sealant than in a thick bead. DESCRIPTION Crommelin® Reinforcing Fabric with Bond Breaker is a 100mm wide self-adhesive non-woven polyester fabric. Submit manufacturer's detailed technical data for materials, fabrication, and installation, including catalog cuts of bond breakers, backer rods, and accessories. 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. Tape shall be removed immediately after the tooling. Features & Benefits . 15 (After two weeks @ 190°F)Expanded PTFE joint sealant - Super Seal PTFE 3mm x 10mm x 15 m. Suitable Surfaces & Substrates. To prevent three-point adhesion use a backer rod or bond breaker tape to ensure proper joint movement and a long lasting weatherproof seal. org Bi-cellular sealant backing: composed of both open and closed cell polyethylene or polyolefin foam with a surface skin. prevent bond. Note: Not recommended for fire applications. 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. to maintain the recommended sealant depth, install backer rod by compressing and rolling it into. 11) Bedding The application of mastic to fill gaps or voids. 3. thickness of sealant, waste, application techniques, etc. And fourth, it simplifies tooling. 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. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. Remove any masking tape immediately after applying Paraseal. Add to Cart. The round profile assists in providing the correct joint sealant profile allowing optimum movement. 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. 5With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Click & Collect your purchase in-store or we'll deliver it to you. , the vendor recommends appropriate field testing be performed to verify that all desired/required appearance. stress at the sealant bond line, they are more susceptible to chemical damage, while high modulus sealants (Class 1225) -. 75 . approximately 2” in length shall be made along the sides of the joint. Follow the manufacturer’s instructions. Bond Breaker Strips. 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. 01 SECTION INCLUDES. Neutral cure silicone used as a bond breaker. The combined system will satisfy the criteria of AS 3740 “Waterproofing of Wet Areas Within. 94. Use joints greater then 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. use polyethylene bond breaker tape to prevent three-sided adhesion. Deep joints should incorporate a backing strip such as Sika PEF Rod to support the sealant while also acting as a bond breaker. Tel: +61 3 9279 9333. 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. the sealant should be 1/2 the width of the joint. Bond breaker tapes are available in following width:15mm, 20mm, 25mm, 50mm. The use of a bond breaker is not required in expansion joints containing cellular polyethylene joint filler, backing rod (Vetoflex PBR). used. 55. 2 Joint slot surface preparation 5. Tooling: 915 comes ready to use. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. 2. 000. The installation of solvent based polyurethane joint sealants beneath water based membranes can result in a breakdown in the membrane through solvent release. Stress relaxation to prevent splitting at edges. In joints where polystyrene or bitumen impregnated fillers have been used, Abelflex is ideal as a bond-breaker. 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. - Will not discolor sealants or substrates. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. Waterproof – Nomaflex will not absorb water and will remain in place for years. . Bond Breaker. Bond breaker tape approved by the sealant manufacturer may be used in lieu of bond breaker rod when sealing random cracks. Industry standard is 5-year warranty for urethanes and horizontal silicones; 20 years for vertical silicones. Bond breaker Tape is black self-adhesive. construction or contraction joints polyethylene bond breaker tape or back-up strip must be used. Sikaflex 2C EZ. 0-3. D. The product should be used where appearance. Bond Breaking. Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. Use bond breakers that are chemically inert and resistant to oils, gasoline, solvents, and primer, if one is required. For good adhesion, the joint interface must be sound, clean and dry. Sealants - the Professional's Guide. Home DIY; Trade; Waterproofing. For most effective results, dura. Third, it provides support for the joint sealant. All joint facings must possess an open surface texture. Pavt. 1. For most effective results, dura. There are two important factors to remember when applying sealant. A joint sealant can fail over time due to: any of the options are correct. While the principle of bond breaking is not new and applies to waterproofing and other industries such as joint. 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. Note width-depth ratio, concaveJointflex® Backer Rod are used in joints in pre-cast and cast-in-situ concrete elements to give support to the joint sealant application, aid in the correct joint sealant geometry (application depth and shape) and prevent the joint sealant from adhering to the top of the expansion joint filler board (3-way bonding), acting as a bond breaker. It is important for sealant to bond to joints in two places so it can expand properly. For window perimeter joints, such as fillet beads or angle beads around windows and doors, the minimum. Apply sealant into joint slot in one direction and allow sealant to flow and level out as ne-cessary. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. provides a non-stick surface to prevent sealant 3-sided adhesion. bead. 6 ENVIRONMENTAL REQUIREMENTS 1. 03 APPLICATION A. Expansion/Contraction: 50% (±25%) as per ASTM C719. Used in joint sealing applications, Bond Breaker Tape stops. Des Moines County . debris and failed sealants, such as in recaulk-ing applications. Sealant backing. Allow the primer to dry as per the specification. Bond breakers should be utilized with deep joint applications. For use on horizontal substrates. • is impacted by sealant joint MOC (including the substrate Adhesion: Sealant joint failures in the biomedical facility environment are frequently due to. adequate sealant support. Features & Benefits . e. 42. Not Recommended for Backing Material. Drawing a bead on proper joint sealing. Consult mm) and width is 1/4 in. bridge joint in a variety of applications , including restoration of failed sealant joints. The back rod and breaker tape shall be installed in the saw-cut joint to prevent the joint sealant from. 4. 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. Filler: A sealant backing used behind a back-up rod. 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). The polyethylene bond breaker shall be an approved polyethylene sheeting having a thickness of 6 mils or greater. 01 WORK INCLUDED A. 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. 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). com. Bond Breaker for extra protection. 4. Bolt down the collar to the drain flange. Bond breaker tape prevents adhesion to the back of shallow three-sided joints, which can cause splitting failure in the sealant. Sealant for concrete and masonry facades. with Bond Breaker . Available in a 300ml cartridge and as a 600ml sausage. Sealant B. An approximate rule of thumb for joints in pre-cast concrete joint height (in metres) up to 2. Type 2A Sealant: One-part acrylic or elastomeric sealant for sealing small joints; PTI 200 or Tremco Small Joint Sealant, Pecora AC-20. 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. 2 mm) thick, and has high adhesion to steel or other structural metals. 800. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. A narrow deposit of sealant applied to a building. joints from 6 mm to 12 mm wide, width and depth must be equal. Proper joint design is 2:1 width to depth ra-tio. Visit our Shop Online page to learn more. 9 L) unit Code: 042A 10 (Std Gray) Code: 042ANB 10 (Neutral Base). JOINT SEALANTS . WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. 5m / 3. 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. You can use bond breakers to improve joint performance. The sealant does not adhere to it, and no separate bond breaker is required. 6144. The use of a bond breaker prevents undesirable three-sided adhesion. 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. 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. Dampfix Platinum Bostik Australia Pty Ltd, Level 1, 6 English Street, Essendon Fields, Victoria, 3041, Australia. A b acker rod is an integral component of sealant joints, it provides three main functions that allow the sealant joint to perform. b. 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. Where joint design or depth of joint will not permit the use of backing rod, use a bond breaker tape. Excellent adhesion; Flexible joint sealant; Single compone; Footer Menu. Provide backup material that is a compressible, non-shrinking, non-staining, non-absorbing material, nonreactive with the joint sealant. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. 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. Use bond breaker tape over the backer material. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. C. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. You can simply use a bond breaking sealant or preformed bond breaking corner, tape and pipe sleeves. Follow these guidelines when placing the sealant: a. 3 Hot rolled acc. Tough, elastic, rubber-like seal. 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. 5. 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. 5 m ~ 4. The depth of the sealant joint should be ½ the width of the joint. For use in hori-zontal joints in traffic areas, the absolute minimum depth of the sealant is 1/2” and closed cell backer rod is recommended. If DOWSIL™ 991 Silicone High Performance Sealant cannot be installed whenProduct Description. Bond-Breaker Tape: Polyethylene tape or other plastic tape. - Installs easily and quickly. • For a joint size larger than 1 inch, the depth should be kept to between . Thioflex 600 Gun Grade is a two-component joint sealant, based on a liquid polysulphide polymer which, when mixed and applied, cures to form a tough, rubber-like seal. PART 3 - EXECUTION. The joint slot width when 4. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. First, backer rod acts as a bond breaker, meaning it allows the sealant to adhere to the walls of the joint and not the bottom. Let us know what you think! If you. Where hydrostatic pressures are present, compression should be to approximately 40% of its original size. It incorporates a self-adhesive portion (central 1/3 of tape) that acts as a bondbreaker - over joints, cracks or other. Consultmm) and width is 1/4 in. 1/4” deep (6mm X 6mm). In this case, the use of SNAP-CAP, KOOL-ROD, or a bond-breaker tape is not necessary. Ideally this should be accomplished by mechanical means. Proper design is 2:1 width to depth ratio. 3 Primer Application 8 4. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Install bond breaker tape over substrates when sealant backings are not used. 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. If the sealant bonds in the wrong areas, it. Avoid brushing on the bond breaker tape. There are many different types of backer . Apply bead of silicone or urethane sealant around the drain flange at the drain throat to join NA 1740 to the drain assembly. Use a Sika PEF backing rod to form the joint base. Priming is not usually necessary. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. E. Thick. When a bond breaker is needed at a construction joint, a curing compound, form release agent and the like can act as a bond breaker. Yield proper bond breaker between the backup material and sealant. b. The use of a bond breaker allows joint movement to happen naturally, independent of the waterproofing membrane, ensuring long-term, leak-free performance. bond breaker tape sealant. The joints should be sized so maximum extension and compression does not exceed +100 and -50 percent respectively. HBR acts as a bond breaker to allow joint movement without undue stress to the sealant. Closed cell backer rod or bond breaker tape must be installed at the bottom or base of a dynamically working joint prior to sealant installation to prevent three sided adhesion. If a solid formed joint base already exists as a result of the construction process it must be covered with a bond breaker tape. JOINT DESIGN QUIKRETE Polyurethane Sealants A thin bead of sealant will accommodate more movement than a thick bead. sealants are as follows: EIFS, primer, sealant backing or bond breaker, adjacent substrates and sealant (see Figs. 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. Aspal sealant bulk / asphaltic plug , joint sealant rigid beton. ASTM D1056 – Standard Specification for Flexible Cellular Materials Sponge or Expanded Rubber. Using braided sealant backing to compensate for a joint opening that is too large for the backing material. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. 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. rods, typically composed of polyethylene, Figure 1 – Double backer rod and sealant joint section. 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. Simply apply the sealant directly over FIBRE EXPANSION JOINT. Use only the correct backer rod size. Cork or rigid non-impregnated cane-fiber joint fillers are suitable. Add to Cart. • For use as a bond breaker or general purpose construction sealant. 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. (See data sheet for the type of sealant to be used). Figure 2 The width of building expansion joints vary because of seasonal and daily changes in temperature. 7 TRAFFIC CONTROL PART 2 PRODUCTS 2. 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). Tool as required, although minimum tooling is necessary. 5” use a 2:1 width to depth ratio to accommodate movement. Do not prime or damage the surface of the bond breaker. backer rod or foam bond breaker tape is applied over it, and the sealant installed and tooled. The maximum depth is ½” (13 mm) and the minimum is ¼ inch. minimum 12mm x 12mm coved joint. The depth of the sealant should be 1/2 the width of the joint. 2. Mechanical methods, such as wire brushes, grinders, etc. 8 mils thick with an adhesion of 45 oz/in, a tensile strength of 110 lbs/in and elongation at break of 33%. Contact CRL Customer Service. Bond height. Recommended for all sealant applications with the exception of applications requiring rapid curing from backside. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. - Low moisture absorption. Wrapped Mesh Embedded in Base Coat. 2 Bond Breaking Tapes PART 3 EXECUTION 3. Finish Coat F. 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. Good adhesion to many substrates. 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. Approval of the backer rod or bond breaker tape shall be made by the manufacture and engineer. Bond Breakers: A type of sealant backing.