Self Adhesive Butynol Tape that is the ultimate in bond breaking. • Suitable for use as a waterproofing membrane bond breaker or as a highly durable finishing sealant. 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. Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. 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. Joint width 8 mm 10 mm 15 mm 20 mm 25 mm 30 mm Joint depth 6 mm 8 mm 8 mm 10 mm 12 mm 15 mm Joint length / 600 ml ~ 12. Add to Cart. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. 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). 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. Consisting of a unique grade of rubber, the Bond Breaker Waterproofing Joint. External walling and cladding Expandafoam Closed Cell is used as a backing strip forMasterSeal NP 2 sealant. 03 APPLICATION A. Click & Collect your purchase in-store or we'll deliver it to you. For green concrete applications control joints must be cut 8 hours prior to sealant. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. Back-up Rod: A type of sealant backing. Elastomeric sealants should not adhere to the base of a joint. 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. for all other joints. Sealants - the Professional's Guide. Available in: - 100mm. Refer to instructions given by rod and tape manufacturers for the correct backer rod and tape size related to joint size. 2 Trial Joint Sealant Installation 1. 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. Remains flexible with expansion and contraction of building component, based on good joint design. Function #6: Serve as a bond breaker1. Euco 700 Sealant Calculator. polyethylene bond breaker tape to prevent three-sided adhesion. assist cold-applied sealants in developing the proper shape factor to prolong the sealant service life. specified. It is important for the sealant to bond to joints in. rods, typically composed of polyethylene, Figure 1 – Double backer rod and sealant joint section. Compare. 3 D (D=Conc. You can simply use a bond breaking sealant or preformed bond breaking corner, tape and pipe sleeves. , measured at the center point of the joint width. Finish Coat F. Suitable substrates for Sikasil®-728 SL are concrete, steel, glass, aluminium, masonry, asphalt, brick, natural stone and others. Tape shall be removed immediately after the tooling. Concerns: 1. Hotwire 1200W 8m² Heating Mat (0) $1008. after the sealant is cured, as it is extremely difficult to apply such materials onto the surface without contaminating the joints. 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. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). 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. 3. 2 mm) thick, and has high adhesion to steel or other structural metals. used. Never use open cell rod in on grade horizontal joints. Hotwire 1200W 8m² Heating Mat (0) $1008. narrow joints. When the joints have been filled with fibre filled board, this must be raked back to the required depth. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. 800. Dimension C must be at least 6 mm (1/4”). Mechanical methods, such as wire brushes, grinders, etc. It is commonly used in applications such as expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction. 800. It is widely utilised as a gap filler and/or bond breaker for wall joints and floor, as a filling. C. Expansion/Contraction: 50% (±25%) as per ASTM C719. Priming Priming is not usually necessary. ® cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified. For construction or contraction joints a bond breaker tape or back-up strip should be used. Customer Service. Tel: +61 3 9279 9333. 5 Butyl Rubber Based 2. Long term sealing protection at volatile areas. Service temperature -50˚C to +120˚C. Movement capability of ± 25 (ASTM C 719) Good workability. the sealant should be 1/2 the width of the joint. (See Figure 1, page 27. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. 3. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. There are two important factors to remember when applying sealant. 1. Effective Date . The number of joints and the joint width should be designed for a maximum of ± 35% joint movement from the initial joint width. The installation of solvent based polyurethane joint sealants beneath water based membranes can result in a breakdown in the membrane through solvent release. 2. 3. Simply apply the sealant directly over FIBRE EXPANSION JOINT. Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. Rp365. 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. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. Submit manufacturer's detailed technical data for materials, fabrication, and installation, including catalog cuts of bond breakers, backer rods, and accessories. Uncategorized 1 Oct, 2022. Often necessary because of the sealant in-compatibility with these forms of fillers. )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. 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). Products. in deep joints, the sealant depth must be controlled by closed cell backer rod or soft backer rod. substrate. to prevent joint depths from exceeding ½ in (13 mm). 08 APPLICABLE PUBLICATIONS: A. The joints should be sized so maximum extension and compression does not exceed +100 and -50 percent respectively. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". • Excessive sealant depth will result in. Minimum depthA. 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. Tape Bond Breaker 1 84 1 8 to D (D=Conc. Add to Cart. 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. 2:1 width to. 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. The product should be used where appearance. The polyethylene bond breaker shall be an approved polyethylene sheeting having a thickness of 6 mils or greater. ASTM D1056 – Standard Specification for Flexible Cellular Materials Sponge or Expanded Rubber. Thick. NOTE 1—This legend applies to Figs. 1. e. Warranty. provides a non-stick surface to prevent sealant 3-sided adhesion. It is 2. It is an elastic and flexible material used to create a durable bond between two different surfaces or to protect a particular surface. Drawing a bead on proper joint sealing. Silicone WP Plus • Neutral cure, anti-fungal formulation. PAGE 2. Customer Service: 1. thickness of sealant, waste, application techniques, etc. joint movement can be accommodated in a thin bead of sealant than in a thick bead. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. Cut spout or tip to desired bead size. They also keep the contents of tanks, pipes, canals, and dams in. e. Easy and time saving installation; Eliminates need for bond breaking sealants, foams and tapes; Elastic reinforcement at critical movement areas; High strength while remaining elastic; Long term sealing protection at volatile areasInstall silicone sealants over a bond breaker to prevent the sealant from bonding to the bottom of the joint. Expansion/Contraction: 50% (±25%) as per ASTM C719. Do not prime or damage the surface of the bond breaker. Acceptable types of bond breakers shall. All bond breaker rods installed shall be covered by a sealant at the end of2. 5With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. Use bond breaker tape over the backer material. 6. $9 . METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. 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. It is important for the sealant to bond to joints in two places so it can expand properly. B. The use of a bond breaker prevents undesirable three-sided adhesion. 1. Commonly. Size: 5 Metre x 100mm Roll. 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, a bond-breaker tape should be used to prevent three sided adhesion. 1 Introduction. One step in the preparation of a mastic sealant joint is filling or backing out the gap prior to mastic sealant application. 6 ENVIRONMENTAL REQUIREMENTS 1. Bond Breaker Strips. 0m / 5. Besides shape and size, an important attribute to consider is the. 6 The performance of Sikaflex MS makes it a suitable sealant for weather sealing exterior wall constructions. An approximate rule of thumb for joints in pre-cast concrete joint height (in metres) up to 2. Benefits. 5 DELIVERY, STORAGE, AND HANDLING 1. 2. Closed cell backer rod diameter should be larger (i. Bond breaker tape is black polypropylene tape that provides an option to break the bond of the sealant between the joints between the surfaces of the concrete. 03 APPLICATION A. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. - All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. 180. horizontal hourglass shape). 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 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’*. 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. Visit your local store for the widest range of products. Do not prime or puncture the backer rod. 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. Sealant Melting. However, it is important to note that most backer rods can serve as a bond. 7 We r eh NA 1740 ends on any penetration, apply a bead of silicone or urethane sealant. coatings, and any other material that may be a bond breaker must be removed. We also provide all type of joint sealants. Waterproofing membranes. Tooling: 915 comes ready to use. C. Sealant B. 2. Product Data Sheet Show all documents. 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. It’s important to match the sealant contact depth to the type of joints. 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. (800) 421-6144. Plus, it will retain its original diameter and is non-gassing when exposed to high sealant temperatures. Use a sealant backing or. 1. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". Primers may be applied to the sides of joints to provide a good bond between them. Step 4: Membrane application. A. with Bond Breaker . 94. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. Simply raking debris out of the joint with hand tools is not sufficient. The type of bond breaker required under the above mentioned. 421. Available in a 300ml cartridge and as a 600ml sausage. Find us. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Add to Cart. When you’re in need, we’re here to help! Features. A bond breaker material shall be installed prior to installation of the sealant to maintain minimum or maximum depth of sealant. Priming Apply primer in two coats as recommended by the manufacturers. 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. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. Sikaflex®-406 KC is a one-part, self-levelling, elastic joint sealant, with high mechanical and chemical resistance. They can be flexible sealants in the form of liquid, spray, rods, or tapes. 0m / 2. 55. 4. 0-3. sound substrate capable of developing optimum bond with joint sealants. In all joints a bond breaker must be used to prevent sealant contact with the back of the joint, and hence allow optimum performance. to EN 13108-1 and mastic asphalt acc. Use a size that will compress at least 25% when inserted into the joint. JOINT DESIGN QUIKRETE Polyurethane Sealants A thin bead of sealant will accommodate more movement than a thick bead. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. Vetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. EN 13108-6 8. 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. Joint Design: Proper joint design for moving joints is 2:1 width to depth ratio (typical), with a recommended 1/4 inch (6 mm) minimum and 1/2 inch (13 mm) maximum depth of sealant. Add to Cart. Help centre;Crommelin Reinforcing Fabric is a non-woven, rot proof polyester fabric for use in conjunction with Crommelin liquid applied waterproofing membranes. 6144. , the vendor recommends appropriate field testing be performed to verify that all desired/required appearance. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. 2. 1-800-474-7570 [email protected]. 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. 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. Polyethylene tape is commonly used as bond breaker tape. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. 11) Bedding The application of mastic to fill gaps or voids. Suitable for most water-based paints. Bond Breaker: When required, pressure-sensitive polyethylene tape, teflon tape, or other plastic tape as recommended by the sealant manufacturer for the location, to prevent bond of sealant in heel of joint. Apply the right amount of sealant. 5 m ~ 1. You can use bond breakers to improve joint performance. 7 TRAFFIC CONTROL PART 2 PRODUCTS 2. Publications are referenced in text by basic designation only. 99. 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. Joint Width E. 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. 94. 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. • Neutral cure – will not corrode concrete or zinc coated. polyethylene bond breaker tape to prevent three-sided adhesion. The use of a bond breaker is not required in expansion joints containing cellular polyethylene joint filler, backing rod (Vetoflex PBR). MasterSeal NP 2 sealant. 1 The primer used should be as named on the 4. 2. Acceptable types of bond breakers shall include: (a)Closed cell expanded polyethylene foam backer rod. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. Also avoid applying sealants inBond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for. 5”. 4. 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. The depth of the sealant joint should be ½ the width of the joint. 7. 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. Home DIY; Waterproofing. Weep holes or open head joints should be located a maximum of 32 in. Excellent adhesion; Flexible joint sealant; Single compone; Footer Menu. For joints greater than 1 inch (25. Approval of the backer rod or bond breaker tape shall be made by the Engineer. Material shall act as a bond breaker and shall be circular in cross section. In joints too shallow to take a backer rod, use a bond breaker tape to prevent three-sided adhesion. Add to Cart. $9. We also provide all type of joint sealants. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to. 1. No bond breaker material; therefore the joint will not. Use bond breakers that are chemically inert and resistant to oils, gasoline, solvents, and primer, if one is required. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. Color: Clear: EUCO 700: Semi-Rigid Joint Filler quantity . Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. ) 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. Tool sealant to ensure full contact with joint walls and remove air. 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. Fastflex is an ideal choice for concrete. JOINT FILLERS & SEALANTS Master Format #: 07 92 16 PACKAGING 10 gal (37. Joint sealants help keep wind and rain out of buildings and foreign solid mat-t e r, such as dirt and ice, out of joints. palette knife, masking tape, bond breaker tape, tool cleaner, paint brush for priming, helical mixing paddle and non porous surface primer. Sealant Backing C. 9 L) unit Code: 042A 10 (Std Gray) Code: 042ANB 10 (Neutral Base). Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. 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 . A further 2 full coats, at 900of the sealant to maintain minimum or maximum depth of sealant. 3 D (D=Conc. D. Add to Cart. 3 mm). Zip pay and Paypal available to purchase products online. bond breaker to prevent 3-sided adhesion. FIBRE. Suitable for use with Bastion waterproofing membranes. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. Industry standard is 5-year warranty for urethanes and horizontal silicones; 20 years for vertical silicones. Anti Fungal. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. This is when the sealant is adhered to the bottom and both sides of the joint. Rod Closed Cell provides bond breaking, assists in the control of joint depths for correct joint design and re-ducing sealant consumption. When sealing joints and gaps, avoid three-sided adhesion by using bond breaker tape and/or backer rod. Follow the manufacturer’s instructions. It is important for the sealant to bond to joints in. Meets Federal Specification TT-S-00230C, Type II, Class A. The round profile assists in providing the correct joint sealant profile allowing optimum movement. prevent bond. 4. 1 SEALANTS 2. As the temperature falls, the force required to stretch the sealant increases. 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. Also performs as the bond breaker for the waterproofing system. THE STANDARD SPECIFICATIONS, SERIES 2015, ARE AMENDED BY THE FOLLOWING MODIFICATIONS AND ADDITIONS. 1. 3. A high-performance Bond Breaker Joint Sealant to provide extra protection and flexibility in vital joints for all waterproofing applications. PRIMING3. Use bond breaker tape over the backer material. construction or contraction joints polyethylene bond breaker tape or back-up strip must be used. 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. The round profile assists in providing the correct joint sealant profile allowing optimum movement. Do not use bond breaker that will stain or adhere to the sealant. Material shall act as a bond breaker and shall be circular in cross section. JOINT BACKING BOND BREAKER Joint backing should be used to control the recommended joint depth and prevent 3-sided adhesion. 4. - Low moisture absorption. The joint slot width when 4. Bastion 100mm x 10m Bond Breaker Joint Band is a. Bond breaker Tape is black self-adhesive. Backer rod Sealant. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. Follow these guidelines when placing the sealant: a. 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) sealing slot before positioning a bond breaker. 02 SEALANT AND CAULKING MATERIALSFind Bastion 300ml Bond Breaker Joint Sealant at Bunnings. It shall be compatible with the joint sealant and no bond or reaction shall occur between the rod and the sealant. When you’re in need, we’re here to help!Features. BondThe sealant should bond only to the substrates that will be moving. 1 Porous substrates 8 4. Compatible with Davco K10 Plus, Davco K10 Rapid and Davco Dampfast. 5m / 6. g. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Compatible with Davco K10. Typical expansion joint Thioflex 600 Pouring Grade Bond Breaker Tape Recess Hydrocorr Typical construction joint Thioflex 600 Pouring Grade Bond Breaker Tape. 2:1 width to. The bond breaker may be incorporated in the backup material. Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. 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. 46. other potential bond breakers. The Work in this Section covers all sealant and caulking materials and. • For a joint size larger than 1 inch, the depth should be kept to between . JOINT PREPARATION The joint surface must be clean, dry and free from oils, loose mortar, laitance, release agents and other contaminants. custom crochet animals / leyland cypress hedge / bond breaker tape 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. The combined system will satisfy the criteria of AS 3740 “Waterproofing of Wet Areas Within. Bond Breakers. Joint not properly tooled. backer rod or foam bond breaker tape is applied over it, and the sealant installed and tooled. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. 7. - Compatible with cold-applied sealants. Apply the masking tape on the edges of the both the joint faces. Add to Cart. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. 1 EXECUTING EQUIPMENT 3. 3. Typically there are three components to the Bond Breaker System; a Fillet; bond-breaker tape and a waterproofing membrane. 421. For good adhesion, the joint interface must be sound, clean and dry. Meets ASTM C920, Type S, Grade NS,. • APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. Uncured material can. 2 mm) thick, and has high adhesion to steel or other structural metals.