$9. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. Plus, it will retain its original diameter and is non-gassing when exposed to high sealant temperatures. highest paying part-time jobs in germany for international students 2022 / 10 / 02Expansion 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. Zip pay and Paypal available to purchase products online. In this case, the use of SNAP-CAP, KOOL-ROD, or a bond-breaker tape is not necessary. Furnish labor, materials, equipment and services necessary to caulk and seal. The cured sealant is durable and flexible enough to accommodate ± 50 percent movement of original joint dimension when installed in a properly designed weather seal joint. D. Suitable Surfaces & Substrates. D. 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. Documents. A narrow deposit of sealant applied to a building. - Substrate gaps at drainage outlets, flashings,. 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. Maximum sealant depth is 12mm and width is 38mm. In addition, DOWSIL™ 890-SL Silicone Joint Sealant can be used on asphalt. 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. Joint Width E. Primary use shall be with new joint construction and remedial joint. Avoid brushing on the bond breaker tape. B. While the principle of bond breaking is not new and applies to waterproofing and other industries such as joint. 3. More joint movement can be accommodated in a thin bead of sealant than in a thick bead. Silicone WP Plus Sealant. 4. bridge joint in a variety of applications , including restoration of failed sealant joints. the joint and completely fill the joint without spilling the material on the surface of the pavement. Surfaces Walls & fl oors. Features & Benefits . 2 cm) thick. Self Adhesive Butynol Tape that is the ultimate in bond breaking. Suitable substrates for Sikasil®-728 SL are concrete, steel, glass, aluminium, masonry, asphalt, brick, natural stone and others. For use with all Bastion Waterproofing Membranes. custom crochet animals / leyland cypress hedge / bond breaker tape sealant. This repair method has the advantage of avoiding costly sealant removal, but can only be used if. e. 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. Publications listed below form a part of this specification to extent referenced. 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). Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Most substrates only require priming if testing indicates a need. 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. approximately 2” in length shall be made along the sides of the joint. In joints up to 0. 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. contraction to maximize accommodation of movement. 3 mm). )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. 3. • Mould and mildew resistant. Sealing joints must be accessible and repairable. SKU: EUCO7002G. 3 Synthetic Rubber 2. Expansion/Contraction: 50% (±25%) as per ASTM C719. 4. The depth of the sealant joint should be ½ the width of the joint. 3. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. High elasticity – cures to a durable, flexible consistency with exceptional cut and tear-resistance. In joints up to 0. The number of joints and the joint width should be designed for a maximum of ± 35% joint movement from the initial joint width. R. Bond Breaker Tape: Polymer tape compatible with joint sealant materials and recommended by sealant manufacturer. 6 ENVIRONMENTAL REQUIREMENTS 1. 0-3. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. a. C. 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. Apply sealer materials using handguns or pressure equipment with proper nozzle size. Bond breaker tape prevents adhesion to the back of shallow three-sided joints. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Use a size that will compress at least 25% when inserted into the joint. Excellent adhesion; Flexible joint sealant; Single component; BITUMASTIC GP. Bastion 100mm x 10m Bond Breaker Joint Band is a. 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. horizontal hourglass shape). D. Install bond breaker tape or backer rod to prevent bond at base of joint. 5 m ~ 4. 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. Do not prime or damage the surface of the bond breaker. Ad. For optimum performance, the width of the sealant bead should be approximately two times the depth. Bond Breakers: A type of sealant backing. A joint sealant can fail over time due to: any of the options are correct. 2. Home DIY; Waterproofing. Add to Cart. 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. Elastoproof B50 / B10 - Bond Breaker Joint Band. cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified i. The ratio of joint width toVetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. Protect surfaces with masking tape. PART 1 - GENERAL. Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. Priming Fosroc Primer MS2 is required for joints that are to beNeutral cure silicone used as a bond breaker. Finish Coat F. Apply the masking tape on the edges of the both the joint faces. Bond breaker Tape is black self-adhesive. Clean all surfaces. In joints too shallow to take a backer rod, use a bond breaker tape to prevent three-sided adhesion. Bastion 100mm x. The joint filler sop shall be of a closed cell expanded polyethylene foam backer rod and polyethylene bond breaker tape of sufficient size to provide a tight seal. A rigid joint filler or sealant backing in joints that will experience movement. Contact CRL Customer Service. For construction or contraction joints, use a bond breaker tape or back-up strip. First, backer rod acts. A roughened surface will also enhance bond. Follow the manufacturer’s instructions. 1. Gripset BRW Fillet: A preformed butyl rubber profile designed for use at wall/floor junctions as an integral part of the Gripset BRW Sheet waterproofing system. For most effective results, dura. The ratio of joint width of sealant to depth should be 2:1, however, in all cases, the sealant must be no wider than 30mm or deeper than 5mm. bond breaker to prevent 3-sided adhesion. 94. after the sealant is cured, as it is extremely difficult to apply such materials onto the surface without contaminating the joints. The joint slot width when 4. Sikasil®-728 SL can be used on. Open cell polyurethane foam or closed cell polyethylene Bastion 300ml Bond Breaker Joint Sealant (0) $9. e. Closed cell backer rod should be 25 % larger than. • Sanitary grade for interior and exterior use. Product Downloads. It cures under the influence of atmospheric moisture to form an elastomeric material with adhesive properties, in some cases without the need for priming of the substrate. Acting as the required system "bond breaker", the B50 / B10 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling. Pavt. Back-up Rod: A type of sealant backing. 605-2. 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. 4. 000. It is suitable for movement and connection joints for indoor and outdoor applications. Good adhesion to many substrates. Sealant Pouring Fill the sealant in the ready joint by hand or. 0m / 2. Where hydrostatic pressures are present, compression should be to approximately 40% of its original size. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. Rp365. 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. other potential bond breakers. 01 WORK INCLUDED A. 2. Bond Breakers Bond breakers prevent three-sided adhesion of the seal-ant (i. with insufficient space in the joints to accommodate backer rod in addition to proper sealant thickness and proper sealant recess. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. 5 Butyl Rubber Based 2. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. - An extra 900-micron (0. 2. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. Masking: Mask adjacent surfaces to prevent staining or damage by contact with sealant or primer. Most substrates only require priming if sealant will be subjected to water immersion after cure. Three face adhesion can be prevented by using bond breakers. Consult mm) and width is 1/4 in. Product code: 305534. Without bond breakers, the joint sealer tears apart from. 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. Bond breaker tapes are obtainable in the mentioned width:15 mm,. 5. , measured at the center point of the joint width. Bastion 4L Exterior. When you’re in need, we’re here to help!Features. 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. - Installs easily and quickly. 1 EXECUTING EQUIPMENT 3. 1 Rubber 2. Features & Benefits . Sealant that does not bond to the concrete surface of the joint walls, contains voids, or fails to set toJoint Sealant: ASTM D5893. To properly install sealant, you need to provide a joint between two materials. prevent bond. These sealants cure upon exposure to moisture in the air to form aThis product acts as a powerful bond breaker in the prevention of bottom-side sealant adhesion. USE TYPE 2A SEALANT FOR JOINTS AND CRACKS 3/16" OR LESS IN WIDTH (LIMITED COLOR CHOICE). This ensures the correct and uniform sealant depth along the whole length of the joint. 1. It is important however that the sealant/bond breaker rain screens are backed by aJoint 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. Use bond breaker tape over the backer material. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. Elastic reinforcement essential for the critical movements areas. The sealant joint shall fully embed the bond breaker tape, extending 1/4” (6 mm) to 3/8” (10 mm) beyond the endUse joints greater than the minimum of 1/4 inch (6 mm width), since wider joints can accommodate more movement than narrow joints and can also result in a greater joint spacing. Tool as required, although minimum tooling is necessary. Available in a 300ml cartridge and as a 600ml sausage. ) 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. Do not prime or puncture the backer rod. Because many backup materials act as bond breakers, a separate bond breaker material is not always required. The cured sealant. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. used. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. Bond breakers should be utilized with deep joint applications. Approved bondbreaker system conforming to AS 3740; Time saving simplified installation • Eliminates need for sealant bondbreakers and tapesContractor Polyurethane Sealant Permanently flexible with ± 25% movement capability. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. All oil, dirt, debris, paint and any other material that may be a bond breaker must be removed. bond breaker joint can be over coated . For window perimeter joints, such as fillet beads or angle beads around windows and doors, the minimum. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. 1. Size: 5 Metre x 100mm Roll. 5 inches (38 mm). Product Data Sheet Show all documents. Sikaflex®-406 KC is a one-part, self-levelling, elastic joint sealant, with high mechanical and chemical resistance. 2 mm) thick, and has high adhesion to steel or other structural metals. Still Not Sure? Call our 7 Day. The use of a bond breaker prevents undesirable three-sided adhesion. 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. Used in joint sealing applications, 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. G. • Use backer rod or bond breaker tape to eliminate a situation of "three‐sided adhesion" • Use 2:1 width to depth ratio to accommodate more movement than a thick joint (i. A backing material shall be placed as shown on the plans and shall be nonadhesive to the concrete or the sealant material. THE STANDARD SPECIFICATIONS, SERIES 2015, ARE AMENDED BY THE FOLLOWING MODIFICATIONS AND ADDITIONS. For good adhesion, the joint interface must be sound, clean and dry. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. PRIMINGbond breaker tape sealantaudi r8 coil pack sr20detaudi r8 coil pack sr20detA bond breaker tape is an essential component in cases where the sealant can adhere to its base surface. 94. formed joints a polyethylene bond breaker tape must be used to prevent sealant from adhering to the back face of the joint. 5”. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as three sided adhesion. - 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. 1. The use of a bond breaker is not required in expansion joints containing cellular polyethylene joint filler, backing rod (Vetoflex PBR). Sealant backing. Never use open cell rod in on grade horizontal joints. 5 m ~ 2. 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. 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. Priming is typically not necessary. The use of sealant joints is prevalent in building design and construction, aerospace, automotive, electronics, tank fabrication, and construction industries. B. The use of a bond breaker prevents undesirable three-sided adhesion. An inherent bond breaker – When using sealants, no bond breaker is needed. Where hydrostatic pressure exists, only bond breaking tapes must be used, notBond Breakers Bond breakers prevent three-sided adhesion of the seal-ant (i. Lightweight – Nomaflex weighs 75%. Add to Cart. Bastion 100mm x 50m Waterproof Reinforcing Fabric (0) $19. It is 2. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). 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. 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. The sealant must be a minimum 6mm in depth at the mid-point of the bond breaker joint and extend a minimum 6mm on either side of the joint or gap. The cured sealant. 15 (After two weeks @ 190°F)Expanded PTFE joint sealant - Super Seal PTFE 3mm x 10mm x 15 m. Weatherproof, highly flexible and paintable* after it’s cured, it doesn’t need a primer before use. B. 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. Movement capability of ± 25 (ASTM C 719) Good workability. Jakarta Barat Karya inti jaya. C. Do not use bond breaker that will stain or adhere to the sealant. Benefits. 4. Bond Breaker Tape is used in joint sealing applications to ensure sealant only adheres to two faces of the joint. 10 WARRANTY SPEC WRITER NOTES: 1. 1 Blocking Media/Backup Materials 2. 46. 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. 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. The use of a bond breaker is not required in expansion joints containing Fosroc Hydrocell or Expancell cellular polyethylene expansion joint fillers. • Excessive sealant depth will result in. We also provide all type of joint sealants. The maximum depth of any sealant shall be 1/2” (13mm). Increasing the width (W) of the joint and decreasing the depth (D) generally reduces. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. 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). 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. The ratio of joint width of sealant to depth should be 2:1, however, in all cases, the sealant must be no wider than 30mm or deeper than 5mm. See table below. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. 0-6. Customer Service. Rp5. Without bond breakers, the joint sealer tears apart from movement. 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. Self Adhesive Butynol Tape that is the ultimate in bond breaking. It is important for the sealant to bond to joints in. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. For construction or contraction joints a bond breaker tape or back-up strip should be used. Hotwire 1200W 8m² Heating Mat (0) $1008. Clean and dry the joint or crack and install a new bond breaker before placing the sealant. 800. The sealant does not adhere to it, and no separate bond breaker is required. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. a low-range sealant used for filling or closing a seam, crevice or crack in order to make it watertight and airtight. Uses: BestBond Joint Sealant permanently fills and seals cracks in concrete, stone, masonry, and most rigid surfaces. joint movement can be accommodated in a thin bead of sealant than in a thick bead. Aquaband is an innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. 2. Use a sealant backing or bond breaker tape to eliminate "three-sided adhesion. For use with all Bastion Waterproofing Membranes. Bond Breakers. Visit your local store for the widest range of products. Sealants will fail in cohesion (split) if bonded on. (Class 1225) - are generally more resistant to such damage. 6. Maintain Section format, including the UH master spec designation and version date in the center columns of the header and footer. PAGE 1 OF 3 AVD3070 REV 4/05 TABLE 1 - PHYSICAL PROPERTIES Property/Test Methods Value Shore A Hardness, ASTM D-2240. Cut spout or tip to desired bead size. Dunlop 1L Multipurpose Water Based Primer (0) $25. 2. a bond breaker between the casting slab and the tilt-up or lift-slab panel. compounds, tilt up bond breakers or other contaminants 1 Application: 3. A bond breaker must be installed at areas subject to movement, wall/wall junction, wall/floor junction, sheet joints and seams, penetrations and. Consultmm) and width is 1/4 in. 75 . Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. is a cus tom extrusion or mold made of higher durometer silicone rubber used in custom applications. Fast cure (FC) polyurethanes or Modified Silyl terminated sealants (MS) may. 3 Hot rolled acc. Bastion 100mm x 50M Bond Breaker Joint Band is a waterproof reinforcing and bond breaking band that is used as wall/floor junctions to protect the most critical areas of the waterproofing application. 2 mm) thick, and has high adhesion to steel or other structural metals. Prevention. Click & Collect your purchase in-store or we'll deliver it to you. Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. 2:1 width to. From 12 mm wide to 24 mm wide the depth should be 12 mm,. 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. 4 BACKUP MATERIAL. • Apply closed cell polyethylene backer rod or bond breaker tape into joint to prevent 3 sided adhesion of the sealant. Easy and time saving installation. ** Note: The use of a bond breaker is not required in expansion joints containing Expancell or Expandafoam cellular polyethylene joint fillers. characteristic values of the joint sealant and the adjacent building materials, the exposure of the building elements, their construction and size. 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. bond breaker joint can be over coated . Meets Federal Specification TT-S-00230C, Type II, Class A. , Inc. CURE & TILT WB cures the concrete floor or casting slab and top sides of panels once poured. 3 m ConsumptionA low-modulus plastic sealant, such as silicone, may have a ratio of 1:3. All joint facings must possess an open surface texture. 3. 3 Low Modulus Silicone Sealant: 932. In joints where polystyrene or bitumen impregnated fillers have been used, Abelflex is ideal as a bond-breaker. 1 litre can, average coverage 10m2Bond breaker and closed cell back-up material for use with joint sealants. 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. It is important for sealant to bond to joints in two places so it can expand properly. Use a sealant backing or. 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. 6 cm) thick but no greater than 1/2 inch (1. The correct size grout joint is also a factor that helps with movement accommodation. 03 APPLICATION A. C. Add to Cart. 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. Sealants - the Professional's Guide. We also provide all type of joint sealants. JOINT PROTECTION. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Excellent adhesion; Flexible joint sealant; Single compone; Footer Menu. •A thin bead of sealant (1/4" ± 1/8" Documents. polyethylene bond breaker tape to prevent three-sided adhesion. Install shower angles and door angle, glue into position with sealant. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. Types of bond breakers. Where hydrostatic pressure exists, only If the joint or crack becomes contaminated, damp, or wet, remove the bond breaker if it has been installed. the joint opening at standard temperature. 1. 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. 01 EXAMINATIONJoint dimension should allow for 1/4” minimum and 1/2” maximum thickness for sealant. $9. The round profile assists in providing the correct joint sealant profile allowing optimum movement. Soft backer rod should be approximately 25% larger in diameter than the joint width. B. contraction to maximize accommodation of movement. •A thin bead of sealant (1/4" ± 1/8"Customer Service: 1. sides of the sealant. 3. Aquaband Bond Breaker. Available in a 300ml cartridge and as a 600ml sausage. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. . Figure 1. EDP-0977(653)--7Y-29 . It is important for the sealant to bond to joints in. Required For Construction Joints (D=Conc. 3 BOND BREAKERS 2.