For optimum performance, the width of the sealant bead should be approximately two times the depth. Special Order. Install bond breaker tape over substrates when sealant backings are not used. 000. • Suitable for use as a waterproofing membrane bond breaker or as a highly durable finishing sealant. 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. Sealant Backing C. 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. Cork or rigid non-The bond breaker is applied in joints where walls meet floors or two walls meet in a corner. specified. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Do not prime or puncture the backer rod. A narrow deposit of sealant applied to a building. Elastic reinforcement essential for the critical movements areas. It is 2. Sealants - the Professional's Guide. Sikaflex 2C EZ. 5 inches (38 mm). Apply sealant into joint slot in one direction and allow sealant to flow and level out as ne-cessary. Although not shown, vents can be installed in the vertical head joints at the top of masonry walls to provide natural convective air flow within the cavity to facilitate. Nitoseal SC600 may bond to the tapes and result in the failure of the joint sealant. 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 sealant does not adhere to it, and no separate bond-breaker is required. Proper design is 2:1 width to depth ratio. 0m / 2. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. 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. No bond or adverse reaction shall occur between the bond breaker and the sealant. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. Install bond-breaker tape behind sealants where. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. EXAMINATION. Use bond breakers that are chemically inert and resistant to oils, gasoline, solvents, and primer, if one is required. - Will not discolor sealants or substrates. Minimum depthA. substances such as over bond breakers or incorporating other reinforcement. DOWSIL™ 123 Silicone Seal H. PART 3 - EXECUTION 3. Apply joint sealants in uniform, continuous ribbons without gaps or air pockets, with complete "wetting" of joint bondstructure. Note: Not recommended for fire applications. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). • Three-sided adhesion limits the amount of movement that a joint can accept before failing. Tel: +61 3 9279 9333. Jakarta Barat Mulia Jaya Packing. Sealant for concrete and masonry facades. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Features Snapshot. Apply moderate pressure to break seal inside the nozzle. bond breaker tape sealant. Suitable Surfaces & Substrates. 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. Clean all surfaces. (6. Also available in grey and white. D. Natural bond breaker; Bitumen-free and rot-proof; POLYBOARD. Sikaflex® PRO is a 1-component, moisture-curing, elastic joint sealant. Silicone sealants are used to seal joints in a wide variety of construction applications. ® cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified. 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). Suitable substrates for Sikasil®-728 SL are concrete, steel, glass, aluminium, masonry, asphalt, brick, natural stone and others. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. Flexible Joint Sealant. Add to Cart. • Apply a 150mm wide x 1mm WFT strip of Vulkem NEM un-reinforced. 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’*. assist cold-applied sealants in developing the proper shape factor to prolong the sealant service life. Publications are referenced in text by basic designation only. 10 WARRANTY SPEC WRITER NOTES: 1. , measured at the center point of the joint width. JOINT FILLERS & SEALANTS Master Format #: 07 92 16 PACKAGING 10 gal (37. Available in a 300ml cartridge and as a 600ml sausage. 1. Typical expansion joint Thioflex 600 Pouring Grade Bond Breaker Tape Recess Hydrocorr Typical construction joint Thioflex 600 Pouring Grade Bond Breaker Tape. It’s ideal for sealing expansion and construction joints in vertical and horizontal applications. 421. When the joints are not deep enough to accept a backer rod, a polyethylene bond breaker tape should be installed. Tremco Dymonic. Find Bastion 300ml Bond Breaker Joint Sealant at Bunnings. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. Add to Cart. They are also used over movement joints. 3. bond breaker to prevent 3-sided adhesion. Mastic Sealant. EN 13108-6 8. Read More. Customer Service: 1. 5m / 3. Allow for proper sealant tooling. 1 "Min. 5 Replacing Existing Sealants 7 4. Good adhesion to many substrates. For construction or contraction joints a bond breaker tape or back-up strip should be used. provides a non-stick surface to prevent sealant 3-sided adhesion. internal brick reinforcement. 1 SEALANTS 2. There are many different types of backer . You can use bond breakers to improve joint performance. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. 3 D (D=Conc. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. 1 litre can, average coverage 10m2Bond breaker and closed cell back-up material for use with joint sealants. 94. ASTM D1056 – Standard Specification for Flexible Cellular Materials Sponge or Expanded Rubber. Uncured material can. 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. It is important for the sealant to bond to joints in. 4. to EN 13108-1 and mastic asphalt acc. 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. Tool as required, although minimum tooling is necessary. Bond Breakers: A type of sealant backing. 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. construction or contraction joints a bond breaker tape or back-up strip should be used. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. Closed cell backer rod or bond breaker tape must be installed at the bottom or base of the joint prior. 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. It is important to place the sealant in its designed location for the system to function. Note: Not recommended for fire applications. Features & Benefits. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. Longer drying times are necessary in these areas. Bond. 7. 6 The performance of Sikaflex MS makes it a suitable sealant for weather sealing exterior wall constructions. 2 Non-porous substrates 8 4. Use a size that will compress at least 25% when inserted into the joint. prevent bond. Recommended for all sealant applications with the exception of applications requiring rapid curing from backside. For construction or contraction joints, use a bond breaker tape or back-up strip. Priming is typically not necessary. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. 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. Where hydrostatic pressures are present, compression should be to approximately 40% of its original size. Help centre;Crommelin Reinforcing Fabric is a non-woven, rot proof polyester fabric for use in conjunction with Crommelin liquid applied waterproofing membranes. 2. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. 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. Find out more. Sikasil®-728 SL can be used on. Add to cart. used. 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. 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. Thick. Bond Breakers. USES Sika® BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions. B. Bond Breaker Tape: Catalog number 827T by C. In all joints a bond breaker must be used to prevent sealant contact with the back of the joint, and hence allow optimum performance. It incorporates a self-adhesive portion (central 1/3 of tape) that acts as a bondbreaker - over joints, cracks or other. If ambientAsphalt Sealant. For joints greater than 1 inch (25. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. D. Let us know what you think! If you. Sealing joints must be accessible and repairable. Get free delivery on eligible items or orders across Australia's favourite brands with OnePass. Uncured material can. Anti Fungal. ) The sealant should have a minimum bond of 1/4 inch on the side of the joint and a depth of 1/8 inch to 3/8 inch at the center. Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. 80 (400)ELASTOMERIC JOINT SEALANT / ADHESIVE. Refer to instructions given by rod and tape manufacturers for the correct backer rod and tape size related to joint size. Closed cell backer rod diameter should be larger (i. 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. The cured sealant. breaker tape to isolate FIBRE EXPANSION JOINT from the joint sealant material. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Joints with Bond Breaker. 1. B. 2. 4. Sealant that does not bond to the concrete surface of the joint walls, contains voids, or fails to set toJoint Sealant: ASTM D5893. with insufficient space in the joints to accommodate backer rod in addition to proper sealant thickness and proper sealant recess. contraction to maximize accommodation of movement. Three face adhesion can be prevented by using bond breakers. Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. 5”. 5With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. Joint not properly tooled. 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. 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. Surfaces Walls & fl oors. Bond Breakers: A type of sealant backing. Install bond breaker tape where required by manufacturer's recommendations to ensure that sealants will perform as intended. For construction or contraction joints, use a bond breaker tape or back-up strip. 3. Required For Construction Joints (D=Conc. Install bond breaker tape or backer rod to prevent bond at base of joint. 75 . A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. Compare. 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. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. PAGE 2. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. 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. Documents. Rp5. (813 mm) apart. Bond-Breaker Tape: Polyethylene tape or other plastic tape. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non -. Here, we’re going to. The. Where a particularly neat finish is required, mask the face edges of the joint before sealing and remove immediately after tooling is completed. Apply the right amount of sealant. Tool as required, although minimum tooling is necessary. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. Compare. (Class 1225) - are generally more resistant to such damage. thickness of sealant, waste, application techniques, etc. The polyethylene bond breaker shall be an approved polyethylene sheeting having a thickness of 6 mils or greater. 03 APPLICATION A. C. Semi-rigid joint fillers. High recovery rate. Increasing the width (W) of the joint and decreasing the depth (D) generally reduces. Concrete and steel are typical substrates used with bond breakers, as they are non-metallic or metallic anti-stick materials. Terminal joint, type HMA, shall consist of a sleeper slab, concrete lug, polyethylene bond breaker, and pre-compressed foam joint. 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. 6. Back up material controls the depth of sealant in the joint. For most effective results, dura. Acceptable types of bond breakers shall. Install bond breaker tape or backer rod to prevent bond at base of joint. Because many backup materials act as bond breakers, a separate bond breaker material is not always required. 03 APPLICATION A. Proper joint design is 2:1 width to depth ra-tio. 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. Fast cure (FC) polyurethanes or Modified Silyl terminated sealants (MS) may. Use a sealant backing or. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to. 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. 94. •A thin bead of sealant (1/4" ± 1/8" Documents. 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). Compare. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. Bandage seal (Bandage joint) The application of sealant across a joint which is not designed to accommodate a sealant (see fig. The sealant must bond to only two surfaces such as. coatings, and any other material that may be a bond breaker must be removed. Expansion/Contraction: 50% (±25%) as per ASTM C719. Prior to any full-scale application of a subsequent paint, coating, sealer, adhesives sealant, grout, etc. The maximum recommended joint width is 1. Bond breaker Tape is black self-adhesive. Use a sealant backing or bond breaker tape to eliminate "three-sided adhesion. - Low moisture absorption. 0-6. 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. Install tap flanges. Laurence Co. It is important for the sealant to bond to joints in. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up. Visit your local store for the widest range of products. 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’*. Sika® Duoflex NS is a two component, non-sag, premium quality polysulfide sealant, specifically designed for vertical and overhead surfaces. with Bond Breaker . Second, it aids in achieving an ideal shape of the sealant (e. If the sealant bonds in the wrong areas, it. Bostik’s recommended sealants • Bond breaker is to be installed over the coat where a bond breaker joint is required, e. Also avoid applying sealants inBond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for. Where a particularly neat finish is required, mask. 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. See full list on ncma. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. • Excessive sealant depth will result in. A joint sealant can fail over time due to: any of the options are correct. Two sided adhesion allows sealant to stretch with joint movement. 2:1 width to. Soft backer rod should be approximately 25% larger in diameter than the joint width. In joints too shallow for backer rod, a bond-breaker tape should be used to prevent three sided adhesion. R. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by James Hardie. No bond breaker material; therefore the joint will not. 3. The use of a bond breaker is not required in expansion joints containing Fosroc Hydrocell or Expancell cellular polyethylene expansion joint fillers. Provide bond breaker (tape or rod). A further 2 full coats, at 900of the sealant to maintain minimum or maximum depth of sealant. Still Not Sure? Call our 7 Day. Open cell polyurethane foam or closed cell polyethylene Bastion 300ml Bond Breaker Joint Sealant (0) $9. Joint surfaces must be clean, dry and free from frost. Polyethylene tape is the most. 5m / 6. This is when the sealant is adhered to the bottom and both sides of the joint. The cured sealant. In addition, DOWSIL™ 890-SL Silicone Joint Sealant can be used on asphalt. Compare. custom crochet animals / leyland cypress hedge / bond breaker tape sealant. The type of bond breaker required under the above mentioned. Eliminates the need for bond breaker sealants. Service temperature -50˚C to. Where a particularly neat finish is required, mask the face edges of the joint before sealing and remove immediately after tooling is. Bond Breakers or masking tape Bond breakers prevent three-sided adhesion of the sealant (i. 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. Publications are referenced in text by basic designation only. Add to Cart. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. 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. Apply the masking tape on the edges of the both the joint faces. The backer rod acts as a bond breaker, preventing what is commonly referred to as three. 4 MAINTENANCE OF SEALING JOINTS Sealing joints fulfill an important role when it comes to protecting the bond line from environmental influences or simply prevention of moisture or water ingress. Pavt. Priming All joint surfaces must be. Sealant bead should be a minimum 1/4 inch (. As elastomeric sealants will not bond to Polyboard PE, the additional need for bond breaker strips is eliminated. Tape shall be removed immediately after the tooling. 3. SKU: EUCO7002G. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. 1 "Min. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non - Hazardous, Non Toxic Non - Staining Customer Service: 1. 6 cm) thick but no greater than 1/2 inch (1. 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. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). Ad. Meets ASTM C920, Type S, Grade NS,. Both the structure and the sealant will expand and contract with temperature changes. 75 . 932-1. 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. 1. Bastion 300ml Bond Breaker Joint Sealant (0) $9. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. Bastion 100mm x. Place bond breaker tape in the bottom of the saw cut joint after it is cleaned and dried. (See Figure 1, page 27. The use of a bond breaker prevents undesirable three-sided adhesion. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. Where hydrostatic pressure exists, only bond breaking tapes must be used,Bastion 300ml Bond Breaker Joint Sealant (0) $9. - Requires no additional bond breaker. Aspal sealant bulk / asphaltic plug , joint sealant rigid beton. 2:1 width to. joints from 6 mm to 12 mm wide, width and depth must be equal. the joint opening at standard temperature. The maximum depth of any sealant shall be 1/2” (13mm). 5”use a 1:1 width to depth ratio and joints wider than . Uses: BestBond Joint Sealant permanently fills and seals cracks in concrete, stone, masonry, and most rigid surfaces. 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. , measured at the center point of the joint width. 3 BOND BREAKERS 2. bond breaker tape sealantnext audible sale 2022. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. C. Expansion/Contraction: 50% (±25%) as per ASTM C719. This reduces cost and improves installation time. Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. Material shall act as a bond breaker and shall be circular in cross section. 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 depth of the sealant should be 1/2 the width of the joint. They also keep the contents of tanks, pipes, canals, and dams in. A high performance joint sealing system comprised of fully compatible materials with proven adhesion, designed to meet the needs of these high movement and often irregular joints, is called for. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. All oil, dirt, debris, paint and any other material that may be a bond breaker must be removed. 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. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. 0-3. Flashing at lintels and sills (shown in Figures 2 and 3, respectively) is very similar. 020 8524 1931. The maximum depth is ½” (13 mm) and the minimum is ¼ inch (6mm). 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. Primers may be applied to the sides of joints to provide a good bond between them.