Apply joint sealants in uniform, continuous ribbons without gaps or air pockets, with complete "wetting" of joint bondstructure. 6144. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. Proper design is 2:1 width to depth ratio. Bastion Bond Breaker to be used as a flexible bond. e. • Apply closed cell polyethylene backer rod or bond breaker tape into joint to prevent 3 sided adhesion of the sealant. Where joint design or depth of joint will not permit the use of backing rod, use a bond breaker tape. It is important for the sealant to bond to joints in two places so it can expand properly. Silicone WP Plus • Neutral cure, anti-fungal formulation. Types of bond breakers. 800. 01 SECTION INCLUDES. Because many backup materials act as bond breakers, a separate bond breaker material is not always required. 5”. Add to Cart. 3M™ Bond Breaker Tape 8891 features a strong polypropylene backing with a synthetic rubber resin adhesive. Acceptable types of bond breakers shall. See table below. Stays resilient within a wide temperature range. Priming is typically not necessary. in deep joints, the sealant depth must be controlled by closed cell backer rod or soft backer rod. 2 mm) thick, and has high adhesion to steel or other structural metals. 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. When the joints have been filled with fibre filled board, this must be raked back to the required depth. 80 (400)ELASTOMERIC JOINT SEALANT / ADHESIVE. Publications listed below form a part of this specification to extent referenced. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to. Add to Cart. Tel: +61 3 9279 9333. 5m / 3. Thick. Thick. • Wider joints (minimum of 1/4" width): as wider joints can accommodate more movement than narrow joints. It is important for the sealant to bond to joints in. All joint facings must possess an open surface texture. 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. Find us. Note: Not recommended for fire applications. Primers may be applied to the sides of joints to provide a good bond between them. The cured sealant. Clean all surfaces. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. - Substrate gaps at drainage outlets, flashings,. 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. contraction joints a bond breaker tape or back-up strip should be used. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. Masking: Mask adjacent surfaces to prevent staining or damage by contact with sealant or primer. EXPANSION AND CONTROL JOINTS Sealant (depth is 1/2 width). Find Bastion 300ml Bond Breaker Joint Sealant at Bunnings. In deeper joints, a polyethylene backer rod must be used to act as the bond breaker, and at the same time set the joint depth and support the sealant. Cork or rigid non-impregnated cane-fiber joint fillers are suitable. The surface of a building component or joint that serves as a substrate for sealant and to which the sealant is bonded. All joint facings must possess an open surface texture with all curing compounds and sealers removed. Products. Primer. Back-up Rod: A type of sealant backing. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). • For a joint size larger than 1 inch, the depth should be kept to between . 375” to 0. Bond Breaker for extra protection. Apply moderate pressure to break seal inside the nozzle. Prior to any full-scale application of a subsequent paint, coating, sealer, adhesives sealant, grout, etc. 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. and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance. Backer rod Sealant. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. may be required to remove surface PRODUCT DESCRIPTION QUIKRETE Advanced Polymer Concrete Crack Sealant is a superior, textured, one-component, permanently flexible, multipurpose sealant. 0m / 5. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. See full list on ncma. Clean all surfaces. 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. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. • For use as a bond breaker or general purpose construction sealant. The depth of the sealant joint should be ½ the width of the joint. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. Figure 2 The width of building expansion joints vary because of seasonal and daily changes in temperature. 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. Use a sealant backing or bond breaker tape to eliminate "three-sided adhesion. Material shall act as a bond breaker and shall be circular in cross section. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. 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. For most effective results, dura. g. Bond Breaker Polyethelene Tape Black Roll used in shallow building joints to prevent 3 sided adhesion. 94. Joint Width Inches (mm) Joint Depth. 3. Bond Breakers: A type of sealant backing. 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. contraction to maximize accommodation of movement. 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. Bond breaker. A further 2 full coats, at 900of the sealant to maintain minimum or maximum depth of sealant. 2 mm) thick, and has high adhesion to steel or other structural metals. Expansion/Contraction: 50% (±25%) as per ASTM C719. 94. StorageWith a given sealant and given conditions, the shape factor of the joint will determine its performance. Most substrates only require priming if sealant will be subjected to water immersion after cure. Dampfix Platinum Bostik Australia Pty Ltd, Level 1, 6 English Street, Essendon Fields, Victoria, 3041, Australia. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. It is an elastic and flexible material used to create a durable bond between two different surfaces or to protect a particular surface. 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. Natural bond breaker; Bitumen-free and rot-proof; POLYBOARD. Uncured material can. Filler: A sealant backing used behind a back-up rod. 2 mm) thick, and has high adhesion to steel or other structural metals. Euco 700 Sealant Calculator. C. The bond breaker simply forms a separating layer between the substrate and the membrane. Provide backup material that is a compressible, non-shrinking, non-staining, non-absorbing material, nonreactive with the joint sealant. 2. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. Approval of the backer rod or bond breaker tape shall be made by the Engineer. Flexible Joint Sealant. 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. Add to Cart. D. They can be flexible sealants in the form of liquid, spray, rods, or tapes. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. For nonmoving joints, the width to2. C. Aquaband is an innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. Depth = ½ Width. 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. However, it is important to note that most backer rods can serve as a bond. Add to Cart. Ideally this should be accomplished by mechanical means. 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. Compare. bead. As elastomeric sealants will not bond to Polyboard PE, the additional need for bond breaker strips is eliminated. 01 EXAMINATIONJoint dimension should allow for 1/4” minimum and 1/2” maximum thickness for sealant. typically up to 25% larger) than the actual width of the joint to provide a friction fitfrom the driving surface and should show necessary joint fill-ers, sealant backing, bond breakers, and bonding surfaces. Bond Breakers in Waterproofing Systems. Tape Bond Breaker 1 84 1 8 to D (D=Conc. Purchase Bastion 300ml Bond Breaker Joint Sealant. The use of a bond breaker is not required in expansion joints containing Fosroc Hydrocell or Expancell cellular polyethylene expansion joint fillers. , measured at the center point of the joint width. 4. Dunlop 1L Multipurpose Water Based Primer (0) $25. Bond breakers are commonly used for tilt-up walls and precast segments so that the right pieces are cast together. Suitable for use with Bastion waterproofing membranes. Find out more. This is to ensure a tight compressed fit. Sealing joints must be accessible and repairable. General purpose polyutherane exterior grade joint sealant. 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. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. Sikaflex-1a can be used in green and damp concrete applications. 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. 1. Bond Breakers. Self-adhesive, non -woven, polyester fabric for strengthening membranes. 0m To ensure that the correct joint width-to-depth ratio is achieved and to prevent the sealant from adhering to the bottom of the joint, it is highly recommended to use a tight- Sikaflex-PRO Sikaflex-PRO is a one component, thixotropic, polyurethane based joint sealant. 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. DOWSIL™ 123 Silicone Seal H. Packaging: Grey 600ml. Never use open cell rod in on grade horizontal joints. 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. The sealant does not adhere to it, and no separate bond-breaker is required. Prior to sealing, the top strip can then be pulled easily from the joint to provide an uncontaminated sealing slot ready for preparation and sealing. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating movement. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. It is important for the sealant to bond to joints in. In joints where polystyrene or bitumen impregnated fillers have been used, Abelflex is ideal as a bond-breaker. 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 recovery 💪 Clean joint surface, free from dust and other contaminants. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. Backer rod Sealant. Figure 4 shows a section of sealant removed from a failed joint. Polyethylene tape is commonly used as bond breaker tape. 800. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. In joints up to 0. sealants are as follows: EIFS, primer, sealant backing or bond breaker, adjacent substrates and sealant (see Figs. Joints with Bond Breaker. a low-range sealant used for filling or closing a seam, crevice or crack in order to make it watertight and airtight. The sealant thickness and bond thickness shall be measured and recorded. 42. use polyethylene bond breaker tape to prevent three-sided adhesion. construction or contraction joints a bond breaker tape or back-up strip should be used. ** Note: The use of a bond breaker is not required in expansion joints containing Expancell or Expandafoam cellular polyethylene joint fillers. Industry standard is 5-year warranty for urethanes and horizontal silicones; 20 years for vertical silicones. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. 2 mm) thick, and has high adhesion to steel or other structural metals. 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. For green concrete applications control joints must be cut 8 hours prior to sealant. Meets ASTM C920, Type S, Grade NS,. 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. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. 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. the sealant joint depth (measured at the center) should always fall between the maximum depth of ½" and the minimum depth of ¼". 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. 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). General purpose polyutherane exterior grade joint sealant. Use a size that will compress at least 25% when inserted into the joint. 2 Joint slot surface preparation 5. 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. c. 2 PVC 2. (Class 1225) - are generally more resistant to such damage. Apply sealant into joint slot in one direction and allow sealant to flow and level out as ne-cessary. Simply apply the sealant directly over FIBRE EXPANSION JOINT. Bond Breaker Tape: Catalog number 827T by C. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. A bond breaker tape or backer rod must be present if joint movement is anticipated. Weatherproof, highly flexible and paintable* after it’s cured, it doesn’t need a primer before use. MasterSeal NP 2 sealant. - Installs easily and quickly. The correct size grout joint is also a factor that helps with movement accommodation. 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. $9. PTFE joint Sealant 4mm x 12mm / Expanded super seal with Glue. A joint sealant can fail over time due to: any of the options are correct. 3. 3 mm). Filler: A sealant backing used behind a back-up rod. 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. SKU: EUCO7002G. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. Priming is typically not necessary. Closed cell backer rod diameter should be larger (i. A. Prevention. 08 APPLICABLE PUBLICATIONS: A. - An extra 900-micron (0. Dampfix Platinum Bostik Australia Pty Ltd, Level 1, 6 English Street, Essendon Fields, Victoria, 3041, Australia. The shape of the sealant bead is also important for each application- see Figure 1. Service temperature -50˚C to +120˚C. bond breaker joint can be over coated . 5 m ~ 7. C. specified. Uncured material can. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). To properly install sealant, you need to provide a joint between two materials. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by James Hardie. Bond breaker tape approved by the sealant manufacturer may be used in lieu of bond breaker rod when sealing random cracks. C. Tooling: 915 comes ready to use. The combined system will satisfy the criteria of AS 3740 “Waterproofing of Wet Areas Within Residential Buildings” when used […] 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. prevent bond. Flexible Joint Sealant. Open cell polyurethane foam or closed cell polyethylene Bastion 300ml Bond Breaker Joint Sealant (0) $9. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. 6 ENVIRONMENTAL REQUIREMENTS 1. Bond Breaker Strips. For construction or contraction joints a bond breaker tape or back-up strip should be used. Bond breaker tape: primarily a self-adhesive polyethylene or teflon material. 4. Sealing joints must be accessible and repairable. Contact CRL Customer Service. 020 8524 1931. Laurence Co. C. Polyethylene tape for isolating sealant and eliminating sealant adhesion to concrete, metals and joint. other potential bond breakers. Compare. 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. WHAT are Joint Sealants used for ? Joint sealants are used to seal joints and openings between two or more substrates. 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. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. Weep holes or open head joints should be located a maximum of 32 in. It’s ideal for sealing expansion and construction joints in vertical and horizontal applications. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. 02 SEALANT AND CAULKING MATERIALSFind Bastion 300ml Bond Breaker Joint Sealant at Bunnings. Also available in grey and white. Back-up Rod: A type of sealant backing. No bond or adverse reaction shall occur between the bond2. 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. Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Where a particularly neat finish is required, mask. With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. Economic option for Joint Sealant in Waterproofing applications. Third, it provides support for the joint sealant. . There are two important factors to remember when applying sealant. Compatible with Davco K10. Remove any masking tape immediately after applying Paraseal. BondThe sealant should bond only to the substrates that will be moving. 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. bead of sealant to seal perimeter of partition. Bostik’s recommended sealants • Bond breaker is to be installed over the coat where a bond breaker joint is required, e. D. Bond Breakers or masking tape Bond breakers prevent three-sided adhesion of the sealant (i. EDP-0977(653)--7Y-29 . 03 APPLICATION A. 5” use a 2:1 width to depth ratio to accommodate movement. C. Drawing a bead on proper joint sealing. B. Use a Sika PEF backing rod to form the joint base. (813 mm) apart. 2 Trial Joint Sealant Installation 1. Most substrates only require priming if testing indicates a need or where sealant will be subjected to water immersion after cure. Publications are referenced in text by basic designation only. 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. In a properly designed structurally glazed joint, the sealant is strong enough to support glass and other panel materials under high wind load. Bandage seal (Bandage joint) The application of sealant across a joint which is not designed to accommodate a sealant (see fig. Increasing the width (W) of the joint and decreasing the depth (D) generally reduces. The use of a bond breaker allows joint movement to happen naturally, independent of the waterproofing membrane, ensuring long-term, leak-free performance. The. bond face. 2. Features. Consisting of a unique grade of rubber, the Bond Breaker Waterproofing Joint. Three face adhesion can be prevented by using bond breakers. (See Figure 1, page 27. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. Because many backup materials act as bond breakers, a separate bond breaker material is not always. The sealant does not adhere to it, and no separate bond breaker is required. Longer drying times are necessary in these areas. 5 mil Low-Density Polyethylene Film Tape is frequently used after installing anchor rods in concrete to prevent cracks in the concrete surface. 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. 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). Compare. 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 . 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. Provide bond breaker (tape or rod). 5m / 6. Apply the right amount of sealant. To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint filler. SUBMITTALS. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. 3 D (D=Conc. The sealant does not adhere to it, and no separate bond-breaker is required. 000. Joint surfaces must be clean, dry and free from frost. The use of a bond breaker prevents undesirable three-sided adhesion. (Vetoflex PBR). Collect Flybuys points when you shop in-store or online! *Some exclusions apply. Apply the masking tape on the edges of the both the joint faces. Do not prime or puncture the backer rod. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. USE TYPE 2A SEALANT FOR JOINTS AND CRACKS 3/16" OR LESS IN WIDTH (LIMITED COLOR CHOICE). In addition, DOWSIL™ 890-SL Silicone Joint Sealant can be used on asphalt. Compatible with Davco K10 Plus, Davco K10 Rapid and Davco Dampfast. Add to Cart. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Step 4: Membrane application. D. 5. (Vetoflex PBR). If ambientAsphalt Sealant. Polyethylene tape for isolating sealant and eliminating adhesion to filler boards Select PARCHEM BOND BREAKER TAPE 15MM x 66M ROLL PARCHEM BOND BREAKER TAPE 20MM x 66M ROLL PARCHEM BOND BREAKER TAPE 25MM x 66M ROLL PARCHEM BOND. 2 mm) thick, and has high adhesion to steel or other structural metals. Soft backer rod should be approximately 25% larger in diameter than the joint width. 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. Self Adhesive Butynol Tape that is the ultimate in bond breaking. joint movement can be accommodated in a thin bead of sealant than in a thick bead. JOINT DIMENSIONS Joint size should not exceed 1/2" wide x 1/2" deep. Compatible with Davco K10. JOINT SEALANTS . Elastoproof B50 / B10 - Bond Breaker Joint Band.