1 Porous substrates 8 4. to EN 13108-1 and mastic asphalt acc. 1 SEALANTS 2. - Accepts joint movement. Hotwire 1200W 8m² Heating Mat (0) $1008. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. 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). a bond breaker between the casting slab and the tilt-up or lift-slab panel. Sealing joints must be accessible and repairable. Click & Collect your purchase in-store or we'll deliver it to you. prevent bond. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non -. Add to Cart. • Backer rods, joint fillers or bond breakers must be tight to the sides of the joint to prevent loss of sealant through the bottom. When a bond. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. Also available in grey and white. to prevent joint depths from exceeding ½ in (13 mm). 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. 5 m ~ 1. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. These ensure that: adhesion is between the substrates only (no perpendicular stress. Bond Breaking. No bond or adverse reaction shall occur between thebond breaker and the sealant. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. Back-up Rod: A type of sealant backing. • Use backer rod or bond breaker tape to eliminate a situation of "three‐sided adhesion" • Use 2:1 width to depth ratio to accommodate more movement than a thick joint (i. Do not prime or damage the surface of the bond breaker. It is a guideline not an absolute rule. 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. When the joints have been filled with fibre filled board, this must be raked back to the required depth. , Inc. In the case of Class III membranes, Figure 3. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as three sided adhesion. C. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. Publications are referenced in text by basic designation only. Collect Flybuys points when you shop in-store or online! *Some exclusions apply. Minimum depthA. 2 mm) thick, and has high adhesion to steel or other structural metals. Sealant that does not bond to the concrete surface of the joint walls, contains voids, or fails to set toJoint Sealant: ASTM D5893. The backer rod acts as a bond breaker, preventing what is commonly referred to as three. To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint. Apply the sealant so that it is- All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. Bond Breaker. Dunlop 1L Multipurpose Water Based Primer (0) $25. Depth = ½ Width. Click here to access Bastion 300ml Bond Breaker Joint Sealant – User Guide When you’re in need, we’re here to help ! We offer a range of services including plumbing ,. Material shall act as a bond breaker and shall be circular in cross section. The round profile assists in providing the correct joint sealant profile allowing optimum movement. cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified i. approximately 2” in length shall be made along the sides of the joint. 375” to 0. 3 Synthetic Rubber 2. To prevent the sealant from adhering to the surfaces, bond breaker tape is applied along the whole width/length of the base of the joint. 3. Sikaflex®-406 KC is a one-part, self-levelling, elastic joint sealant, with high mechanical and chemical resistance. 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. Sikaflex-1a can be used in green and damp concrete applications. However, it is important to note that most backer rods can serve as a bond. Polyethylene tape is commonly used as bond breaker tape. For construction or contraction joints a bond breaker tape or back-up strip should be used. Contact CRL Customer Service. When sealing joints and gaps, avoid three-sided adhesion by using bond breaker tape and/or backer rod. Bond Breaker for extra protection. Bond breaker systems can be optimized by installing foam backing rod in the junctions, on top of the cured membrane, before laying the screed. Because many backup materials act as bond breakers, a separate bond breaker material is not always required. (See data sheet for the type of sealant to be used). This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. refer to table 1. Both the structure and the sealant will expand and contract with temperature changes. Add to Cart. When you’re in need, we’re here to help! Features. Thick. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. The sealant thickness and bond thickness shall be measured and recorded. 2. ** Note: The use of a bond breaker is not required in expansion joints containing Expancell or Expandafoam cellular polyethylene joint fillers. The cured sealant. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by. Add to Cart. Compare. Email Us. 2 cm) thick. g. C. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. It is important for the sealant to bond to joints in two places so it can expand properly. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. with insufficient space in the joints to accommodate backer rod in addition to proper sealant thickness and proper sealant recess. joint sealant to the recommended thickness. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. Approval of the backer rod or bond breaker tape shall be made by the manufacture and engineer. • Apply a 150mm wide x 1mm WFT strip of Vulkem NEM un-reinforced. Product code: 305534. specified. 3. 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. 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 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. Aspal sealant bulk / asphaltic plug , joint sealant rigid beton. 7 TRAFFIC CONTROL PART 2 PRODUCTS 2. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. 800. Meets Federal Specification TT-S-00230C, Type II, Class A. PRIMING3. Reinforcing Mesh Embedded in Base Coat G. • Excessive sealant depth will result in. in deep joints, the sealant depth must be1/2 inch (13 mm). 1 "Min. In all joints a bond breaker must be used to prevent sealant contact with the back of the joint, and hence allow optimum performance. Priming Priming is not usually necessary. Acceptable types of bond breakers shall include: (a)Closed cell expanded polyethylene foam backer rod. Bond Breaker Polyethelene Tape Black Roll used in shallow building joints to prevent 3 sided adhesion. bead. Bastion 100mm x 50m Waterproof Reinforcing Fabric (0) $19. 1. For construction or contraction joints, use a bond breaker tape or back-up strip. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. Tape Bond Breaker 1 84 1 8 to D (D=Conc. 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 maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). The sealant does not adhere to it, and no separate bond breaker is required. Bond Breaker Tape is used in joint sealing applications to ensure sealant only adheres to two faces of the joint. Priming is not usually necessary. There are many different types of backer . 2. 3 Hot rolled acc. WHAT are Joint Sealants used for ? Joint sealants are used to seal joints and openings between two or more substrates. 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). Closed cell backer rod should be 25 % larger than. 6. Weep holes or open head joints should be located a maximum of 32 in. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. Pavt. Finish Coat F. 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. 2 Joint slot surface preparation 5. ) 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. polyethylene bond breaker tape to prevent three-sided adhesion. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Size: 5 Metre x 100mm Roll. An approximate rule of thumb for joints in pre-cast concrete joint height (in metres) up to 2. For nonmoving joints, the width to2. Back-up Rod: A type of sealant backing. A bond breaker tape or backer rod must be present if joint movement is anticipated. Surfaces Walls & fl oors. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. 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. Concrete and steel are typical substrates used with bond breakers, as they are non-metallic or metallic anti-stick materials. Bastion 100mm x. Use only the correct backer rod size. The use of a bond breaker prevents undesirable three-sided adhesion. 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. "Min. THE STANDARD SPECIFICATIONS, SERIES 2015, ARE AMENDED BY THE FOLLOWING MODIFICATIONS AND ADDITIONS. 01 SECTION INCLUDES. 55. Excellent adhesion – bonds to most construction materials without a primer. sealants are as follows: EIFS, primer, sealant backing or bond breaker, adjacent substrates and sealant (see Figs. The sealant does not adhere to it, and no separate bond-breaker is required. 7. Priming Priming is not usually necessary. 01 WORK INCLUDED A. Meets ASTM C920, Type S, Grade NS,. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to movement. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Apply sealer materials using handguns or pressure equipment with proper nozzle size. essential that bond breaker tape or polyethylene closed cell backer rod be used to regulate joint depth and prevent three sided adhesion. Priming is typically not necessary. assist cold-applied sealants in developing the proper shape factor to prolong the sealant service life. Types of bond breakers. Publications listed below form a part of this specification to extent referenced. Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. 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. $9. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. Product Data Sheet Show all documents. Use a size that will compress at least 25% when inserted into the joint. Weatherproof, highly flexible and paintable* after it’s cured, it doesn’t need a primer before use. 5 inches (38 mm). 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. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. Closed cell backer rod diameter should be larger (i. 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). Bond Breakers. Correct joint depth can be established by inserting closed cell polyethylene backing rod tightly into the joint. Back up material controls the depth of sealant in the joint. 1. EXAMINATION. This allows membrane release from the bond breaker, into a compressible medium. Pavt. 5With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. If depth exceeds 1/2", use backer rod. 6 m ~ 1. BOND BREAKER TAPE CONCRETE SEALANT BACKER ROD (COMPRESSED) COMPRESSION FILLER The diagrams shown below depict the relationship between joint design and the maximum strain (S) on the parabolic surface of a Sikaflex® joint sealant. Thick. 5m / 3. Sikaflex® PRO is a 1-component, moisture-curing, elastic joint sealant. Acts as the bond breaker for the waterproofing system eliminating need for other sealants/tapes. Compare. 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. Flexible Joint Sealant. 01 EXAMINATIONJoint dimension should allow for 1/4” minimum and 1/2” maximum thickness for sealant. 800. 3. Aquaband Bond Breaker. Nitoseal SC600 may bond to the tapes and result in the failure of the joint sealant. When you’re in need, we’re here to help!Features. Dampfix Platinum Bostik Australia Pty Ltd, Level 1, 6 English Street, Essendon Fields, Victoria, 3041, Australia. Joint not properly tooled. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. (813 mm) apart. Figure 1. The cured. 4. Bond Breaker D. 180. The bond breaker tape stops the sealant from adhering to the surfaces and prevents three-sided adhesion. Bond Breakers. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. Install tap flanges. The use of a bond breaker prevents undesirable three-sided adhesion. Sikasil®-728 SL can be used on. Where hydrostatic pressure exists, only If the joint or crack becomes contaminated, damp, or wet, remove the bond breaker if it has been installed. It is important for the sealant to bond to joints in. 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. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. 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. Purchase Bastion 300ml Bond Breaker Joint Sealant. Bond-Breaker Tape: Polyethylene tape or other plastic tape. Gripset BRW Fillet: A preformed butyl rubber profile designed for use at wall/floor junctions as an integral part of the Gripset BRW Sheet waterproofing system. Most substrates only require priming if testing indicates a need. contraction to maximize accommodation of movement. B. Add to Cart. Primer. Tool as required, although minimum tooling is necessary. 7. 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. 94. Most substrates only require priming if sealant will be subjected to water immersion after cure. Bastion 300ml Bond Breaker Joint Sealant (0) $9. Install bond breaker tape over substrates when sealant backings are not used. Tooling: 915 comes ready to use. PART 1 - GENERAL. 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. Most substrates only require priming if sealant will be subjected to water immersion after cure. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. Bastion 15kg Under Tile. Often necessary because of the sealant in-compatibility with these forms of fillers. 1 "Min. Elastic reinforcement essential for the critical movements areas. 94. G. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. 02. 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. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. Featuring the central “Flexible Zone” the Aquaband can accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. SEALING OF LARGE MOVEMENT JOINTS HYPALON SHEETING COMPATIBLE, PROVEN ADHESIVE SEALANT BOND BREAKER TAPE CONCRETE SEALANT BACKER ROD (COMPRESSED. 80 (400)ELASTOMERIC JOINT SEALANT / ADHESIVE. This ensures the correct and uniform sealant depth along the whole length of the joint. Joint Depth The joint must be deep enough to allow proper placement of the sealant and a bond breaker/backer rod. 3. Benefits. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. PTFE joint Sealant 4mm x 12mm / Expanded super seal with Glue. NOTE: Although good in principle, it is difficult to place bond breaker tape in the bottoms of the grooves such that the tape will not move during application of the sealant. Compare. To ensure free movement in the joint, bond breaker tape is placed between the joint sealant and joint filler. Bond breaker tape: primarily a self-adhesive polyethylene or teflon material. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. in optimal conditions, the depth of the sealant should be ½ the width of the joint. B. 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. Bond Breaker Tape: Catalog number 827T by C. Features Snapshot. 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. XL or Expandafoam. The maximum depth of any sealant shall be 1/2” (13mm). There are two major purposes of sealants in joints: (1) the sealant fills space, creating a seal, and must maintain that seal throughout the useful life of the structure. While the principle of bond breaking is not new and applies to waterproofing and other industries such as joint. Effective Date . Bostik’s recommended sealants • Bond breaker is to be installed over the dry primer coat where a bond breaker joint is required, e. (800) 421-6144. Bostik’s recommended sealants • Bond breaker is to be installed over the coat where a bond breaker joint is required, e. thickness of sealant, waste, application techniques, etc. 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. Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. 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. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. When used as a "backing" in expansion joints or cracks to help control the amount of sealant used or the depth of the sealant in the gap, the backer rod serves two primary functions. It is suitable for movement and connection joints for indoor and outdoor applications. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Neutral cure silicone used as a bond breaker. The minimum requirement for appropriate Bond Breaker application is outlined in Table 3. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. 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. Semi-rigid joint fillers are materials that serve two main purposes. Install bond breaker tape where required by manufacturer's recommendations to ensure that sealants will perform as intended. Bond height. it into the joint channel without stretching it lengthwise. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. A high-performance Bond Breaker Joint Sealant to provide extra protection and flexibility in vital joints for all waterproofing applications. (Vetoflex PBR). JOINT PROTECTION. The sealant does not adhere to it, and no separate bond-breaker is required. Use bond breakers that are chemically inert and resistant to oils, gasoline, solvents, and primer, if one is required. Polyethylene tape is commonly used as bond breaker tape. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. Bond Breakers in Waterproofing Systems. 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. E. PART 3 - EXECUTION. b. Easy to install; Excellent recovery after 50% compression; Good thermal insulation properties; BITUMASTIC. It is important for the sealant to bond to joints in. The back rod and breaker tape shall be installed in the saw-cut joint to prevent the joint sealant from. • Backer rods, joint fillers or bond breakers must be tight to the sides of the joint to prevent loss of sealant through the bottom. Where hydrostatic pressure exists, only bond breaking tapes must be used, notBond Breakers Bond breakers prevent three-sided adhesion of the seal-ant (i. Uncured material can. 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. 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. org Bi-cellular sealant backing: composed of both open and closed cell polyethylene or polyolefin foam with a surface skin. If this product will be used. For joints greater than 1 inch (25. 4. Install bond breaker tape or backer rod to prevent bond at base of joint. Our backer rod (backstop / bond breaker), is designed to work with all popular sealants including NP1 Polyurethane, a Novalink Polyether, M1, Duralink, glazing sealants and self leveling sealants like Novalink SL or SL1 and SL2, as well as butyls, polyurethane, silicones, tri-polymers, polysulfide. When the joints have been filled with fiber filled board, this must be raked back to the required depth. USES Sika® BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions. Home DIY; Trade; Waterproofing. 5 mil Low-Density Polyethylene Film Tape is frequently used after installing anchor rods in concrete to prevent cracks in the concrete surface. Here, we’re going to. 3. Bolt down the collar to the drain flange. 0m / 5. Soft backer rod should be approximately 25% larger in diameter than the joint width. formed joints a polyethylene bond breaker tape must be used to prevent sealant from adhering to the back face of the joint. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. Do not prime or puncture the backer rod. Often necessary because of the sealant in-compatibility with these forms of fillers. 3. It’s important to match the sealant contact depth to the type of joints. We also provide all type of joint sealants. 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. 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. Customer Service: 1. Concrete and steel are typical substrates used with bond breakers, as they are non-metallic or metallic anti-stick materials. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. provides a non-stick surface to prevent sealant 3-sided adhesion. horizontal hourglass shape). used.