Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. Sealing joints must be accessible and repairable. Mastic is a form of sealant or adhesive used to fill the joints or as a bond for different materials and gaps. The correct size grout joint is also a factor that helps with movement accommodation. narrow joints. Soft backer rod should be approximately 25% larger in diameter than the joint width. bead of sealant to seal perimeter of partition. That bond breaker creates the ideal joint design to keep your caulking and chinking stretching properly over time. We also provide all type of joint sealants. Figure 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. Applying the waterproofing membrane is the final step. Excellent adhesion – bonds to most construction materials without a primer. Packaging: Grey 600ml. (Vetoflex PBR). 2:1 width to. Suitable Surfaces & Substrates. Bond breaker tapes are obtainable in the mentioned width:15 mm,. surface conditioner or primer, type of sealant backing material, bond-breaker, and joint ®ller, among others. C. Collect Flybuys points when you shop in-store or online! *Some exclusions apply. joint width to sealant depth should be about 2:1. Protect surfaces with masking tape. joint movement can be accommodated in a thin bead of sealant than in a thick bead. 42. Suitable Surfaces & Substrates. If using a sealant, use a scraper to flatten the corners. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. EDP-0977(653)--7Y-29 . D. Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. 2 mm) thick, and has high adhesion to steel or other structural metals. Remains flexible with expansion and contraction of building component, based on good joint design. 1. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. Features. All joint facings must possess an open surface texture with all curing compounds and sealers removed. Poor Joint Design . construction or contraction joints a bond breaker tape or back-up strip should be used. It is commonly used in applications such as expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction. Use bond breakers that are chemically inert and resistant to oils, gasoline, solvents, and primer, if one is required. Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. Nomaflex does not impede cure time. Primer. C. With a. 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 adhesion. Bond breakers are not required as elastomeric sealants will not bond to dura. Required For Construction Joints (D=Conc. org Bi-cellular sealant backing: composed of both open and closed cell polyethylene or polyolefin foam with a surface skin. Step 4: Membrane application. The use of a bond breaker prevents undesirable three-sided adhesion. The joints should be sized so maximum extension and compression does not exceed +100 and -50 percent respectively. A roughened surface will also enhance bond. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. 10 WARRANTY SPEC WRITER NOTES: 1. 02 SEALANT AND CAULKING MATERIALSFind Bastion 300ml Bond Breaker Joint Sealant at Bunnings. In the case of Class III membranes, Figure 3. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. sealants are as follows: EIFS, primer, sealant backing or bond breaker, adjacent substrates and sealant (see Figs. provides a non-stick surface to prevent sealant 3-sided adhesion. Bond Breakers: A type of sealant backing. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. 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. 3. An approximate rule of thumb for joints in pre-cast concrete joint height (in metres) up to 2. Finish Coat F. Where a particularly neat finish is required, mask. A high-performance Bond Breaker Joint Sealant to provide extra protection and flexibility in vital joints for all waterproofing applications. Elastomeric sealants should not adhere to the base of a joint. As the temperature falls, the force required to stretch the sealant increases. Used in joint sealing applications, Bond Breaker Tape stops. This condition requires the use of a dense backer rod to support and prevent a sealant failure, in particular losing its adhesion and sinking into the joint. For construction or contraction joints, use a bond breaker tape or back-up strip. Compare. Closed cell backer rod or bond breaker tape must be installed at the bottom or base of the joint prior. 0m / 5. Stress relaxation to prevent splitting at edges. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. Apply joint sealants in uniform, continuous ribbons without gaps or air pockets, with complete "wetting" of joint bondstructure. Sealant works like a rubber band or a shock absorber bonded between two surfaces, stretching back and forth as the two surfaces move. Use a sealant backing or. Joint Width E. Joint Sealant Material To Be 8") (w +1 Tape Bond Breaker Or Existing Joints Or Cracks. 2 PVC 2. Find Bastion 300ml Bond Breaker Joint Sealant at Bunnings. Home DIY; Trade; Waterproofing. Bleeding The loss of fluids from mastics and sealants Bond breaker A release material to prevent adhesion of sealant to the back of a joint (see fig. Fast cure (FC) polyurethanes or Modified Silyl terminated sealants (MS) may. bead. contraction to maximize accommodation of movement. 2. • Neutral cure – will not corrode concrete or zinc coated. Remove loose particles remaining after cleaning operations above by vacuuming or blowing out joints with oil. C. Acting as the required system "bond breaker", the B50 / B10 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling. 3. THESE ARE SPECIAL PROVISIONS AND THEY SHALL PREVAIL. Tool as required, although minimum tooling is necessary. PRIMING3. a low-range sealant used for filling or closing a seam, crevice or crack in order to make it watertight and airtight. Ableflex will assist with reducing environmental elements such as sand and soil penetrating the expansion slot or joint. Backer rod Sealant. 1 Rubber 2. Contact CRL Customer Service. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. Bond breakers should be utilized with deep joint applications. com. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. • Apply a 150mm wide x 1mm WFT strip of Vulkem NEM un-reinforced. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. The sealant joint shall fully embed the bond breaker tape, extending 1/4” (6 mm) to 3/8” (10 mm) beyond the endThis type of tape is made of polyolefin, or Teflon, and. WHAT are Joint Sealants used for ? Joint sealants are used to seal joints and openings between two or more substrates. •A thin bead of sealant (1/4" ± 1/8" Documents. When you’re in need, we’re here to help!Features. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. 94. C. contraction to maximize accommodation of movement. 421. Closed cell backer rod diameter should be larger (i. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. • For a joint size larger than 1 inch, the depth should be kept to between . bond face. 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. Uses: BestBond Joint Sealant permanently fills and seals cracks in concrete, stone, masonry, and most rigid surfaces. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. b. The use of a bond breaker allows joint movement to happen naturally, independent of the waterproofing membrane, ensuring long-term, leak-free performance. If ambientAsphalt Sealant. Dimension C must be at least 6 mm (1/4”). It shall be compatible with the joint sealant and no bond or reaction shall occur between the rod and the sealant. 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). 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. 3. 3 D (D=Conc. The installation of solvent based polyurethane joint sealants beneath water based membranes can result in a breakdown in the membrane through solvent release. Customer Service: 1. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non - Hazardous, Non Toxic Non - Staining Customer Service: 1. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Contact CRL Customer Service. Allow for proper sealant tooling. 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. 2:1 width to. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. In joints where polystyrene or bitumen impregnated fillers have been used, Abelflex is ideal as a bond-breaker. b. 1 SEALANTS 2. Reinforcing Mesh Embedded in Base Coat G. 1. 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. e. Add to Cart. minimum 12mm x 12mm coved joint. 2:1 width to. Never use open cell rod in on grade horizontal joints. SUBMITTALS. (800) 421-6144. BUTT JOINTS: if you would like to install a butt joint, due to its high risk of movement joint failure. D. - Bostik Dampfix Platinum waterproofing membrane can be applied as soon as the bond breaker joint can be over coated without deformation of the coved sealant profile. 6 ENVIRONMENTAL REQUIREMENTS 1. To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint filler. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. The round profile assists in providing the correct joint sealant profile allowing optimum movement. D. When the joints are not deep enough to accept a backer rod, a polyethylene bond breaker tape should be installed. See full list on ncma. A backing material shall be placed as shown on the plans and shall be nonadhesive to the concrete or the sealant material. Sealants. No bond or adverse reaction shall occur between the bond breaker and the sealant. 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. Add to Cart. 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). Compatible with Davco K10 Plus, Davco K10 Rapid and Davco Dampfast. prevent bond. Figure 2 The width of building expansion joints vary because of seasonal and daily changes in temperature. PU sealants are mistakenly used as a bond breaker, where a neutral cure silicone should be installed. Install bond breaker tape or backer rod to prevent bond at base of joint. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Aquaband Bond Breaker. Discount Sealants, Caulks and Adhesives, Adhesive Sealants, NP1, SL1, Expansion Joint Sealants, Backer Rod, RV sealants, Glass Sealants, Deck and pool Sealants. Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. Laurence Co. )SECTION 07 9200 - JOINT SEALANTS. after the sealant is cured, as it is extremely difficult to apply such materials onto the surface without contaminating the joints. In joints up to 0. - Gives proper shape to sealant for effective function. 6 cm) thick but no greater than 1/2 inch (1. Sikaflex 2C EZ. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. essential that bond breaker tape or polyethylene closed cell backer rod be used to regulate joint depth and prevent three sided adhesion. No bond or adverse reaction shall occur between thebond breaker and the sealant. e. The use of sealant joints is prevalent in building design and construction, aerospace, automotive, electronics, tank fabrication, and construction industries. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. 5 m ~ 4. Apply continuous bead of USG Sheetrock® Brand Acoustical Sealant around all openingsD. 3 Primer Application 8 4. The bond breaker may be incorporated in the backup material. Effective Date . 3 D (D=Conc. The depth of the sealant should be 1/2 the width of the joint. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up strips. compounds, tilt up bond breakers or other contaminants 1 Application: 3. Apply the masking tape on the edges of the both the joint faces. This type of tape is made of polyolefin, or Teflon, and. Euco 700 Sealant Calculator. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. Joint Width Inches (mm) Joint Depth. A bond breaker must be installed at areas subject to movement, wall/wall junction, wall/floor junction, sheet joints and seams, penetrations and. Sikasil® is Sika’s line of professional-grade silicone sealants that are ideal for applications including glass-to-glass and glass-to-metal surfaces. R. In joints too shallow for backer rod, use a polyethylene bond-breaker tape to prevent three-sided adhesion. Neutral cure silicone used as a bond breaker. 5 DELIVERY, STORAGE, AND HANDLING 1. Drawing a bead on proper joint sealing. 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. This article discusses the features of mastic sealants in the construction industry. Note: Not recommended for fire applications. Sealants in a rigid control joint with mortar are installed over a bond breaker tape, while sealants in an open expansion joint are installed over a sponge backer rod. 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). 4 BACKSTOPS 2. Wrapped Mesh Embedded in Base Coat. Documents. Control the depth of the sealant by using a polyethylene backer rod that is 25% larger than the joint opening at standard temperature. 6. - Accepts joint movement. For construction or contraction joints a bond breaker tape or back-up strip should be used. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. , measured at the center point of the joint width. 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. If DOWSIL™ 991 Silicone High Performance Sealant cannot be installed whenProduct Description. Polyethylene tape is commonly used as bond breaker tape. Add to Cart. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as three sided adhesion. Ideally this should be accomplished by mechanical means. 3. Polyethylene tape for isolating sealant and eliminating sealant adhesion to concrete, metals and joint. Dampfix Platinum Bostik Australia Pty Ltd, Level 1, 6 English Street, Essendon Fields, Victoria, 3041, Australia. Consisting of a unique grade of rubber, the Bond Breaker Waterproofing Joint. 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. While the principle of bond breaking is not new and applies to waterproofing and other industries such as joint. Silicone sealants are used to seal joints in a wide variety of construction applications. StorageWith a given sealant and given conditions, the shape factor of the joint will determine its performance. Jakarta Barat Karya inti jaya. Features. with Bond Breaker . It is 2. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Because many backup materials act as bond breakers, a separate bond breaker material is not always. 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. Polyethylene tape is commonly used as bond breaker tape. Open cell polyurethane foam or closed cell polyethyleneSilicone WP Plus sealant is available in translucent, grey and white and is also suitable for use as a finishing and roof & gutter sealant. Filler: A sealant backing used behind a back-up rod. Self-adhesive, non -woven, polyester fabric for strengthening membranes. NOTE 1—This legend applies to Figs. Bond Breakers. 180. Special Order. G. Essential to any sealant application is a backer rod or bond breaker tape. 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 bond breaker tape between sealants and joint-fillers, compression seals or back of joints where adhesion of sealant to surfaces at back of joints would result in sealant failure. Easy and time saving installation. 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. Priming is typically not necessary. (Class 1225) - are generally more resistant to such damage. For green concrete applications control joints must be cut 8 hours prior to sealant. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. Bond Breakers: A type of sealant backing. Visit your local store for the widest range of products. To prevent the sealant adhering to the base surface or filler board, apply Bond Breaker Tape along the whole width / length of base of the joint. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-upNeutral cure silicone used as a bond breaker. In fact, some types of joint fillers can serve as a backing material and bond breaker, in which the applicator can apply the sealant directly on the filler. Rod Closed Cell provides bond breaking, assists in the control of joint depths for correct joint design and re-ducing sealant consumption. Visit your local store for the widest range of products. B. Sealant backing. Bandage seal (Bandage joint) The application of sealant across a joint which is not designed to accommodate a sealant (see fig. JOINT FILLERS & SEALANTS Master Format #: 07 92 16 PACKAGING 10 gal (37. 3. Follow the manufacturer’s instructions. Commonly. Depth = ½ Width. Publications listed below form a part of this specification to extent referenced. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. High elasticity – cures to a durable, flexible consistency with exceptional cut and tear-resistance. Add to Cart. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up. SAW-CUT CONTROL JOINT SEALANT AND BACK-UP BOND COAT CONCRETE OR MASONRY BACK-UP STRUCTURAL JOINT FLEXIBLE SEALANT BOND BREAKER TAPE CERAMIC TILE Expansion Joint – CEJ171 Construction Joint – CEJ171a Isolation/Expansion Joint – CEJ171d Technical Services 800-282-8786. Often necessary because of the sealant in-compatibility with these forms of fillers. Sika® Duoflex NS is a two component, non-sag, premium quality polysulfide sealant, specifically designed for vertical and overhead surfaces. Bond breaker tapes are available in following width:15mm, 20mm, 25mm, 50mm. Features & Benefits. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. Bond The sealant should bond only to the substrates that will be moving. B. Using braided sealant backing to compensate for a joint opening that is too large for the backing material. Features. 1/4” deep (6mm X 6mm). SKU: EUCO7002G. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. PART 3 - EXECUTION 3. 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. Service temperature -50˚C to +120˚C. 3 Hot rolled acc. 2. Install bond breaker tape or backer rod to prevent bond at base of joint. 375” to 0. other potential bond breakers. Featuring the central “Flexible Zone” the Aquaband can accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. Sikaflex® Concrete Fix is a moisture-cured, one-part, non-sag and elastomeric polyurethane sealant. What’s more is that CERA-ROD is great for use with hot-applied joint sealants—it is proven not to melt, shrink, evaporate or stain. High recovery rate. 75 . This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. Bond breaker tape approved by the sealant manufacturer may be used in lieu of bond breaker rod when sealing random cracks. Add to Cart. Features Snapshot. Compatible with Davco K10 Plus, Davco K10 Rapid and Davco Dampfast. Type 2A Sealant: One-part acrylic or elastomeric sealant for sealing small joints; PTI 200 or Tremco Small Joint Sealant, Pecora AC-20. For window perimeter joints, such as fillet beads or angle beads around windows and doors, the minimum. The sealant does not adhere to it, and no separate bond-breaker is required. Natural bond breaker; Bitumen-free and rot-proof; POLYBOARD. To ensure free movement in the joint, bond breaker tape is placed between the joint sealant and joint filler. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. 3. For expansion joints, sealant manufacturers recommend that the contact depth should be equal to one-half the sealant joint width. PTFE joint Sealant 4mm x 12mm / Expanded super seal with Glue. 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. Benefits. Compare. Bond breaker. 2 mm) thick, and has high adhesion to steel or other structural metals. 55. JOINT SEALANTS SECTION 07 92 00 JOINT SEALANTS PART 1 - GENERAL 1. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. You can use bond breakers to improve joint performance. 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. 1. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. Contact CRL Customer Service. In addition, many backup materials also serve as bond breakers. 421. (See Figure 1, page 27. For oil-based paints undercoat with water-based primer. Deep joints should incorporate a backing strip such as Sika PEF Rod to support the sealant while also acting as a bond breaker. Clean and dry the joint or crack and install a new bond breaker before placing the sealant. The joint slot width when 4. Add to Cart.