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. Bond Breakers: A type of sealant backing. Most substrates only require priming if testing indicates a need. Commonly. No bond breaker material; therefore the joint will not. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. Stress relaxation to prevent splitting at edges. Without bond breakers, the joint sealer tears apart from movement. Apply sealant using consistent, positive pressure to force sealant into the joint. Finish Coat F. (Vetoflex PBR). Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. The cured. 08 APPLICABLE PUBLICATIONS: A. It is 2. Joint surfaces must be clean, dry and free from frost. Add to Cart. More joint movement can be accommodated in a thin bead of sealant than in a thick bead. Soft backer rod should be approximately 25% larger in diameter than the joint width. 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. Two sided adhesion allows sealant to stretch with joint movement. The bond breaker simply forms a separating layer between the substrate and the membrane. One step in the preparation of a mastic sealant joint is filling or backing out the gap prior to mastic sealant application. Hotwire 1200W 8m² Heating Mat (0) $1008. (800) 421-6144. Add to Cart. $9 . 5 mil Low-Density Polyethylene Film Tape is frequently used after installing anchor rods in concrete to prevent cracks in the concrete surface. 5”. Excellent adhesion; Flexible joint sealant; Single compone; Footer Menu. 6144. Allow the primer to dry as per the specification. Acting as the required system "bond breaker", the B10 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling high elongation, rupture resistance and up to 100% elastic. The cured sealant. For joints greater than 1 inch (25. Bond Breakers or masking tape Bond breakers prevent three-sided adhesion of the sealant (i. Backer rods should be closed-cell polyethylene foam. D. Place bond breaker tape in the bottom of the saw cut joint after it is cleaned and dried. 2 Non-porous substrates 8 4. For construction or contraction joints, use a bond breaker tape or back-up strip. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. The depth of the sealant joint should be ½ the width of the joint. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. ) 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. Closed cell backer rod should be 25 % larger than joint width; do not compress more than 40%. 01 EXAMINATIONSuitable back-up material, duracord, must be used to adjust sealant depth in the joint to comply with the joint geometry cited in the table. , measured at the center point of the joint width. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. They also keep the contents of tanks, pipes, canals, and dams in. 1. Compatible with Davco K10. • For a joint size larger than 1 inch, the depth should be kept to between . CURE & TILT WB is used as a cure and bond breaker in tilt-up, lift-slab, and precast concrete construction. Where hydrostatic pressure exists, only bond breaking tapes must be used,Bastion 300ml Bond Breaker Joint Sealant (0) $9. bridge joint in a variety of applications , including restoration of failed sealant joints. 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. In joints up to 0. Apply the right amount of sealant. It is important for the sealant to bond to joints in two places so it can expand properly. The bond breaker allows for 2-sided rather than 3-sided adhesion, which permits much greater elasticity of the sealant. For joints greater than 1 inch (25. With a. 3. Apply bead of silicone or urethane sealant around the drain flange at the drain throat to join NA 1740 to the drain assembly. 421. 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. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. G. 5 m ~ 2. 0m / 2. Bond Breaker D. 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. Bond-Breaker Tape: Polyethylene tape or other plastic tape. Tool as required, although minimum tooling is necessary. Posted By : / hollywood beach marriott beach chairs /; Under :nars air matte blush torchnars air matte blush torchCorrect joint depth can be established by inserting polyethylene based Sika® Backer Materia,glass rod,etcl tightly into the joint. C. PAGE 1 OF 3 AVD3070 REV 4/05 TABLE 1 - PHYSICAL PROPERTIES Property/Test Methods Value Shore A Hardness, ASTM D-2240. 5 m ~ 4. Most substrates only require priming if testing indicates a need or where sealant will be subjected to water immersion after cure. Sealant Melting. 15 (After two weeks @ 190°F)Expanded PTFE joint sealant - Super Seal PTFE 3mm x 10mm x 15 m. Long term sealing protection at volatile areas. The correct size grout joint is also a factor that helps with movement accommodation. specified. 020 8524 1931. Documents. 1. 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. 3 mm). Bastion 4L Exterior. 1 The primer used should be as named on the 4. - All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. EXAMINATION. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. Contact CRL Customer Service. to prevent joint depths from exceeding ½ in (13 mm). This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Fast cure (FC) polyurethanes or Modified Silyl terminated sealants (MS) may. 99. SYSTEM DESCRIPTION . 180. Primary use shall be with new joint construction and remedial joint. Master Wall® System Latex Sealant as Bondthe joint shall be mechanically cleaned by water or sand blasting. Cut spout or tip to desired bead size. Concrete and steel are typical substrates used with bond breakers, as they are non-metallic or metallic anti-stick materials. For construction or contraction joints a bond breaker tape or back-up strip should be used. PART 3 - EXECUTION. 1. For construction or contraction joints a bond breaker tape or back-up strip should be used. NOTE 1—This legend applies to Figs. Not Recommended for Backing Material. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. 6 m ~ 1. Most substrates only require priming if sealant will be subjected to water immersion after cure. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. Semi-rigid joint fillers are materials that serve two main purposes. Service temperature -50˚C to +120˚C. B. 2 Joint slot surface preparation 5. • Wider joints (minimum of 1/4" width): as wider joints can accommodate more movement than narrow joints. 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. Where a particularly neat finish is required, mask. 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. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. e. 800. 42. g. joints from 6 mm to 12 mm wide, width and depth must be equal. It is important for sealant to bond to joints in two places so it can expand properly. $9. 000. The sealant must bond to only two surfaces such as. Available in: - 100mm. contraction to maximize accommodation of movement. 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. Step 4: Membrane application. Product Downloads. The sealant does not adhere to it, and no separate bond breaker is required. 5m / 3. Clean all surfaces. 3. (See Figure 1, page 27. These ensure that: adhesion is between the substrates only (no perpendicular stress from the back of the joint to weaken the focus on the connection between the substrates) the sealant is supported on the back side as tooling. 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. Most substrates only require priming if testing indicates a need. 1/4” deep (6mm X 6mm). Approval of the backer rod or bond breaker tape shall be made by the manufacture and engineer. Compare. It is commonly used in applications such as expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction. 3. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. USES Sika® BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. 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. Find out more. joint sealant to the recommended thickness. G. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Sikasil®-728 SL can be used on. Use a sealant backing or bond breaker tape to eliminate "three-sided adhesion. Required For Construction Joints (D=Conc. Third, it provides support for the joint sealant. Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. When the joints have been filled with fibre filled board, this must be raked back to the required depth. When sealing joints and gaps, avoid three-sided adhesion by using bond breaker tape and/or backer rod. This is when the sealant is adhered to the bottom and both sides of the joint. 4. Thioflex 600 Gun Grade is a two-component joint sealant, based on a liquid polysulphide polymer which, when mixed and applied, cures to form a tough, rubber-like seal. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). Thick. 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. B. If this product will be used. Install shower angles and door angle, glue into position with sealant. 02. Elastic reinforcement at critical movement areas. - Gives proper shape to sealant for effective function. Contact CRL Customer Service. Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. Aquaband Bond Breaker. A bond breaker must be installed at areas subject to movement, wall/wall junction, wall/floor junction, sheet joints and seams, penetrations and. - An extra 900-micron (0. the sealant joint depth (measured at the center) should always fall between the maximum depth of ½" and the minimum depth of ¼". If a solid formed joint base already exists as a result of the construction process it must be covered with a bond breaker tape. The use of sealant joints is prevalent in building design and construction, aerospace, automotive, electronics, tank fabrication, and construction industries. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". Compatible with Davco K10 Plus, Davco K10 Rapid and Davco Dampfast. in optimal conditions, the depth of the sealant should be ½ the width of the joint. Deep joints should incorporate a backing strip such as Sika PEF Rod to support the sealant while also acting as a bond breaker. DOWSIL™ 123 Silicone Seal H. 4. Proper design is 2:1 width to depth ratio. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. The portion of the sleeper slab on which the polyethylene bond breaker is to beClick 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, electrical, gas fitting, handyman services, appliance repairs, bathroom renovation and much more. Depth = ½ Width. 3. USE TYPE 2A SEALANT FOR JOINTS AND CRACKS 3/16" OR LESS IN WIDTH (LIMITED COLOR CHOICE). 7 (c) in the Standard doesn’t require a bond breaker at all. As we11 as the backup material having been either poorly positioned for depth, or inadequately held so that it moved when the sealant was applied. Install approved backer rod or bond breaker tape in all joints subject to thermal movement to prevent three-sided bonding and to set the depth of the sealant at a maximum of 1/2 in. 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. 3 m ConsumptionA low-modulus plastic sealant, such as silicone, may have a ratio of 1:3. Backer rod Sealant. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. Filler: A sealant backing used behind a back-up rod. Allow for proper sealant wetting of the joint surfaces. 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). • Excessive sealant depth will result in. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Prior to any full-scale application of a subsequent paint, coating, sealer, adhesives sealant, grout, etc. Available in a 300ml cartridge and as a 600ml sausage. Suitable Surfaces & Substrates. Thick. USES Sika® BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions. • Install appropriate Tremco polyurethane sealant, TREMflex 50 or Dymonic 100 into the crack in the correct depth to width ratio. Typical expansion joint Thioflex 600 Pouring Grade Bond Breaker Tape Recess Hydrocorr Typical construction joint Thioflex 600 Pouring Grade Bond Breaker Tape. Packaging: Grey 600ml. 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. Used in joint sealing applications, Bond Breaker Tape stops. 1. bond breaker joint can be over coated . 6144. Bond breakers should be utilized with deep joint applications. 5 Priming 4. The number of joints and the joint width should be designed for a maximum of ± 35% joint movement from the initial joint width. 10 WARRANTY SPEC WRITER NOTES: 1. 3. SUBMITTALS. Using braided sealant backing to compensate for a joint opening that is too large for the backing material. - Accepts joint movement. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. HBR acts as a bond breaker to allow joint movement without undue stress to the sealant. The ideal working joint depth is 1/4" (6 mm). Still Not Sure? Call our 7 Day. Bond Breakers. Zip pay and Paypal available to purchase products online. 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). It incorporates a self-adhesive portion (central 1/3 of tape) that acts as a bondbreaker - over joints, cracks or other. Protect surfaces with masking 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. B. A backing material shall be placed as shown on the plans and shall be nonadhesive to the concrete or the sealant material. Silicone sealants are able to bond to most surfaces, particularly porous substrates such as concrete and masonry. Bond breakers Bond breakers in the form a tape is made of PVC or metal or paper. The cured sealant. Use bond breaker tape over the backer material. JOINT DESIGN QUIKRETE Polyurethane Sealants A thin bead of sealant will accommodate more movement than a thick bead. Apply sealant into joint slot in one direction and allow sealant to flow and level out as ne-cessary. 9 L) unit Code: 042A 10 (Std Gray) Code: 042ANB 10 (Neutral Base). The maximum depth is ½” (13 mm) and the minimum is ¼ inch (6mm). 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. (See data sheet for the type of sealant to be used). Features & Benefits . )it into the joint channel without stretching it lengthwise. Cork or rigid non-impregnated cane-fiber joint fillers are suitable. Joints with Bond Breaker. Add to Cart. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Closed cell backer rod or bond breaker tape must be installed at the bottom or base of the joint prior. 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. joint width to sealant depth should be about 2:1. 800. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. It is a guideline not an absolute rule. Often necessary because of the sealant in-compatibility with these forms of fillers. 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’*. The round profile assists in providing the correct joint sealant profile allowing optimum movement. 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. Use only the correct backer rod size. Bond Breaking. 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. 99. Where hydrostatic pressures are present, compression should be to approximately 40% of its original size. In shallow joints self-adhesive polyethylene tape can be used. EN 13108-6 8. 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. Proper design is 2:1 width to depth ratio. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. org Bi-cellular sealant backing: composed of both open and closed cell polyethylene or polyolefin foam with a surface skin. The back rod and breaker tape shall be installed in the saw-cut joint to prevent the joint sealant from. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. • Mould and mildew resistant. )Sika® Tite Undertile is a membrane with high extensibility and is designed for use with a 12mm Bond Breaker, a bead of Sika® Neutral Cure silicone must be tooled off to form a 12mm wide bond breaker. Home DIY; Waterproofing. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. Filler: A sealant backing used behind a back-up rod. Tool as required, although minimum tooling is necessary. b. 2 Bond Breaker Installation 7 4. bond breaker tape sealant. Back-up Rod: A type of sealant backing. 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. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. Add to Cart. 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. Cork or rigid non-The bond breaker is applied in joints where walls meet floors or two walls meet in a corner. The joint slot width when 4. For expansion joints, sealant manufacturers recommend that the contact depth should be equal to one-half the sealant joint width. Primers may be applied to the sides of joints to provide a good bond between them. Add to Cart. characteristic values of the joint sealant and the adjacent building materials, the exposure of the building elements, their construction and size. C. Bond breaker Tape is black self-adhesive. Minimum depthA. For oil-based paints undercoat with water-based primer. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to movement. When the joints are not deep enough to accept a backer rod, a polyethylene bond breaker tape should be installed. The backer rod acts as a bond breaker, preventing what is commonly referred to as three. It is important for the sealant to bond to joints in two places so it can expand properly. Add to Cart. 3 D (D=Conc. 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. Joint width 8 mm 10 mm 15 mm 20 mm 25 mm 30 mm Joint depth 6 mm 8 mm 8 mm 10 mm 12 mm 15 mm Joint length / 600 ml ~ 12. Control the depth of the sealant by using a polyethylene backer rod that is 25% larger than the joint opening at standard temperature. 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. Where the joint depth does not permit the use of backer-rod, a bond breaker (polyethylene strip) must be used to prevent three-sided adhesion. Available in a 300ml cartridge and as a 600ml sausage. It is important for the sealant to bond to joints in. 421. Bond Breaker Black Polyethelene Tape. Proper design is 2:1 width to depth ratio. When the joints have been filled with fiber filled board, this must be raked back to the required depth. The combined system will satisfy the criteria of AS 3740 “Waterproofing of Wet Areas Within. SOF-SEAL® or any hot-applied sealant, such as HI-SPEC®, can be used to protect the joint. 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’*. compounds, tilt up bond breakers or other contaminants 1 Application: 3. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. APPLICATION RANGE Performance Levels Commercial and residential Location Internal wet areas, balconies, decks, and other areas that will be tiled or otherwise protected from regular foot traffi c. 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. JOINT SEALANTS . Low VOC Sets in just 2 hoursActing as the required system "bond breaker", the B50 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. Easy and time saving installation. It’s ideal for sealing expansion and construction joints in vertical and horizontal applications. Purchase Bastion 300ml Bond Breaker Joint Sealant. Bond Breaker Tape is used in joint sealing applications to ensure sealant only adheres to two faces of the joint. Uncategorized 1 Oct, 2022. Sealing joints must be accessible and repairable. Add to Cart. Function #6: Serve as a bond breaker1. Stays resilient within a wide temperature range. Bond breakers can be a silicone or polyurethane sealant, or preformed bond breaking corners and tapes. and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. C. Bolt down the collar to the drain flange. 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. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. bead of sealant to seal perimeter of partition. (6. g. Silicone WP Plus • Neutral cure, anti-fungal formulation. Follow the manufacturer’s instructions. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. 55. D. 94. External walling and cladding Expandafoam Closed Cell is used as a backing strip forMasterSeal NP 2 sealant. 5” use a 2:1 width to depth ratio to accommodate movement.