to internal corners and changes in wall/wall; hob/wall junctions, pipe penetrations, tap bodies, water stops, drainage outlets or similar • Bond breaker joints must be a minimum 12mm x 12mm coved bead of sealant. substances such as over bond breakers or incorporating other reinforcement. e. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Primer. 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. • Excellent substrate adhesion. Bond breakers are not required as elastomeric sealants will not bond to dura. 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. Bond breaker Tape is black self-adhesive. 800. • Backer rods, joint fillers or bond breakers must be tight to the sides of the joint to prevent loss of sealant through the bottom. 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. Compare. C. Essential to any sealant application is a backer rod or bond breaker tape. Filler: A sealant backing used behind a back-up rod. Use a sealant backing or bond breaker tape to eliminate "three-sided adhesion. If the sealant bonds in the wrong areas, it. a low-range sealant used for filling or closing a seam, crevice or crack in order to make it watertight and airtight. To properly install sealant, you need to provide a joint between two materials. Sealant Pouring Fill the sealant in the ready joint by hand or. 99. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. Minimum depth is 6 mm and width is 6 mm. You can use bond breakers to improve joint performance. 1 Rubber 2. 6 cm) thick but no greater than 1/2 inch (1. Also performs as the bond breaker for the waterproofing system. Most substrates only require priming if testing indicates a need. Where hydrostatic pressure exists, only bond breaking tapes must be used,Bastion 300ml Bond Breaker Joint Sealant (0) $9. 1. It is important for the sealant to bond to joints in. High elasticity – cures to a durable, flexible consistency with exceptional cut and tear-resistance. Where a particularly neat finish is required, mask the face edges of the joint before sealing and remove immediately after tooling is completed. Sealing joints must be accessible and repairable. 15 (After two weeks @ 190°F)Expanded PTFE joint sealant - Super Seal PTFE 3mm x 10mm x 15 m. in deep joints, the sealant depth must be controlled by closed cell backer rod or soft backer rod. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non -. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non - Hazardous, Non Toxic Non - Staining Customer Service: 1. polyethylene bond breaker tape to prevent three-sided adhesion. Fastflex is an ideal choice for concrete. (6. it into the joint channel without stretching it lengthwise. The bond breaker tape stops the sealant from adhering to the surfaces and prevents three-sided adhesion. Apply sealant using consistent, positive pressure to force sealant into the joint. In shallow joints self adhesive polyethylene tape can be used. Des Moines County . This article discusses the features of mastic sealants in the construction industry. Not Recommended for Backing Material. Joint surfaces must be clean, dry and free from frost. Contact CRL Customer Service. The sealant thickness and bond thickness shall be measured and recorded. In acoustical applications, apply 1/4" (6 mm) minimum. Apply moderate pressure to break seal inside the nozzle. Joint Sealant: Mildew-Resistant, Single-Component, nonsag, acid-curing silicone joint sealant, Greenguard certified White Lightning All Purpose Silicone Sealant. g. 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. Install bond-breaker tape behind sealants where. Bond breaker tape approved by the sealant manufacturer may be used in lieu of bond breaker rod when sealing random cracks. - Substrate gaps at drainage outlets, flashings,. When you’re in need, we’re here to help! Features. 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. Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. - Will not discolor sealants or substrates. Sikasil®-728 SL is designed to seal horizontal saw cut and expansion joints in concrete pavements on highways, airports, bridges, walkways, parking garages and driveways. There are many different types of backer . Do not prime or puncture the backer rod. Hotwire 1200W 8m² Heating Mat (0) $1008. 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. 1 "Min. 1. 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. b. Find us. 3. Find out more. Primers may be applied to the sides of joints to provide a good bond between them. Backer rod Sealant. e. Follow these guidelines when placing the sealant: a. . 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). - Low moisture absorption. Usage. Contact CRL Customer Service. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. 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. Sealing joints must be accessible and repairable. High recovery rate. bond breaker joint can be over coated . Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. 5With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. 6144. D. 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. PART 3 - EXECUTION. 2. Size: 5 Metre x 100mm Roll. Features & Benefits . Cork or rigid non-ASTM C1193 – Standard Guide for Use of Joint Sealants. e. In addition, DOWSIL™ 890-SL Silicone Joint Sealant can be used on asphalt. Polyethylene tape for isolating sealant and eliminating sealant adhesion to concrete, metals and joint. For most effective results, dura. A high-performance Bond Breaker Joint Sealant to provide extra protection and flexibility in vital joints for all waterproofing applications. Elastic reinforcement at critical movement areas. 5 Butyl Rubber Based 2. A b acker rod is an integral component of sealant joints, it provides three main functions that allow the sealant joint to perform. 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. The primary function of a joint sealant is to prevent the intrusion of un-wanted substances into or through the joint. SKU: EUCO7002G. 5 m ~ 1. Semi-rigid joint fillers are materials that serve two main purposes. 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. Priming is typically not necessary. Add to Cart. 6 Silicone Rubber Base. The correct size grout joint is also a factor that helps with movement accommodation. 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. 4 BACKUP MATERIAL. See table below. Where a particularly neat finish is required, mask the face edges of the joint before sealing and remove immediately after tooling is. For construction or contraction joints a bond breaker tape or back-up strip should be used. In all joints a bond breaker must be used to prevent sealant contact with the back of the joint, and hence allow optimum performance. Install bond breaker tape or backer rod to prevent bond at base of joint. Sikaflex® PRO is a 1-component, moisture-curing, elastic joint sealant. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". Thick. 3. g. 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. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. 1 litre can, average coverage 10m2Bond breaker and closed cell back-up material for use with joint sealants. • Neutral cure – will not corrode concrete or zinc coated. 5m / 3. 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. 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. formed joints a polyethylene bond breaker tape must be used to prevent sealant from adhering to the back face of the joint. The ratio of joint width toVetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. Gripset Betta 4kg Water Plug (0) $57. Aspal sealant bulk / asphaltic plug , joint sealant rigid beton. ) The sealant should have a minimum bond of 1/4 inch on the side of the joint and a depth of 1/8 inch to 3/8 inch at the center. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). Acceptable types of bond breakers shall include: (a)Closed cell expanded polyethylene foam backer rod. - Installs easily and quickly. 4. 421. D. 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. Let us know what you think! If you. 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. Compare. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. 03 APPLICATION A. 2. 421. It is suitable for movement and connection joints for indoor and outdoor applications. 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. Features. Customer Service. For sealing shallow joints Bond Breaker Tape is applied to the bottom of the joint so the sealant will bond only to the walls. E. 1. Closed cell backer rod or bond breaker tape must be installed at the bottom or base of the joint prior. PART 1 - GENERAL. 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. 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. The use of sealant joints is prevalent in building design and construction, aerospace, automotive, electronics, tank fabrication, and construction industries. Customer Service: 1. b. 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. Also avoid applying sealants inBond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for. Bond breakers prevent three-sided adhesion of the sealant (i. Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Acceptable types of bond breakers shall. breaker tape to isolate FIBRE EXPANSION JOINT from the joint sealant material. 3 BOND BREAKERS 2. Suitable Surfaces & Substrates. 2 mm) thick, and has high adhesion to steel or other structural metals. Lightweight – Nomaflex weighs 75%. 10 WARRANTY SPEC WRITER NOTES: 1. Backer rod Sealant. Allow for proper sealant wetting of the joint surfaces. 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. " The sealant should bond only to the substrates that will be moving. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. 020 8524 1931. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. However, it is important to note that most backer rods can serve as a bond. 1. 3 Primer Application 8 4. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). Bastion 4L Exterior. (6. Terminal joint, type HMA, shall consist of a sleeper slab, concrete lug, polyethylene bond breaker, and pre-compressed foam joint. 94. Bond breaker tape prevents adhesion to the back of shallow three-sided joints, which can cause splitting failure in the sealant. 5 mil Low-Density Polyethylene Film Tape is frequently used after installing anchor rods in concrete to prevent cracks in the concrete surface. 3M™ Bond Breaker Tape 8891 features a strong polypropylene backing with a synthetic rubber resin adhesive. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating movement. Compare. 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. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Bond breaker tapes are obtainable in the mentioned width:15 mm,. essential that bond breaker tape or polyethylene closed cell backer rod be used to regulate joint depth and prevent three sided adhesion. Meets Federal Specification TT-S-00230C, Type II, Class A. Products. Clean all surfaces. 4. Sealant works like a rubber band or a shock absorber bonded between two surfaces, stretching back and forth as the two surfaces move. The use of a bond breaker prevents undesirable three-sided adhesion. Bond Breakers Bond breakers prevent three-sided adhesion of the seal-ant (i. Yield proper bond breaker between the backup material and sealant. 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. 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. 0m / 5. Filler: A sealant backing used behind a back-up rod. joints from 6 mm to 12 mm wide, width and depth must be equal. 0-3. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. Sealant B. A. Polysulfides, silicones, and polyurethanes are examples of: high-range sealants. use polyethylene bond breaker tape to prevent three-sided adhesion. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. Install shower angles and door angle, glue into position with sealant. Provide bond breaker (tape or rod). Collect Flybuys points when you shop in-store or online! *Some exclusions apply. Joint Depth The joint must be deep enough to allow proper placement of the sealant and a bond breaker/backer rod. 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. - All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. Get free delivery on eligible items or orders across Australia's favourite brands with OnePass. The sealant does not adhere to it, and no separate bond breaker is required. 4. 3. Also avoid applying sealants in ambient conditions where threat of rain is imminent. Sealant backing. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. 0m / 2. Often necessary because of the sealant in-compatibility with these forms of fillers. USE TYPE 2A SEALANT FOR JOINTS AND CRACKS 3/16" OR LESS IN WIDTH (LIMITED COLOR CHOICE). 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. Bond Breaker Polyethelene Tape Black Roll used in shallow building joints to prevent 3 sided adhesion. specified. 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 . First, backer rod acts. Function #6: Serve as a bond breaker1. cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified i. B. to prevent joint depths from exceeding ½ in (13 mm). When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. 1. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Tool as required, although minimum tooling is necessary. 2. Waterproof – Nomaflex will not absorb water and will remain in place for years. The work includes caulking and sealing of joints as required to seal the perimeters of openings in walls, penetrations in walls, expansion and control joints, and as required to. For joints greater than 1 inch (25. The combined system will satisfy the criteria of AS 3740 “Waterproofing of Wet Areas Within. A bond breaker tape or backer rod must be present if joint movement is anticipated. Use bond breaker tape over the backer material. Essential to any sealant application is a backer rod or bond breaker tape. 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. Special Order. Stays resilient within a wide temperature range. 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. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. Use a sealant backing or. It is important to place the sealant in its designed location for the system to function. Surfaces Walls & fl oors. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. Contact us4 MAINTENANCE OF SEALING JOINTS Sealing joints fulfill an important role when it comes to protecting the bond line from environmental influences or simply prevention of moisture or water ingress. Bastion 300ml Bond Breaker Joint Sealant (0) $9. Features & Benefits. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. Features Snapshot. It is 2. PART 3 - EXECUTION 3. For construction or contraction joints, use a bond breaker tape or back-up strip. 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. Joint Filler, Backer Rod and Breaker Tape a. 08 APPLICABLE PUBLICATIONS: A. 4. 6144. Polyethylene tape is the most. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. THESE ARE SPECIAL PROVISIONS AND THEY SHALL PREVAIL. 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. It seems insignificant, but some sort of bond breaker — backer rod or grip strip or clear packing tape — is the difference between a long-lasting, durable caulking and chinking job and redoing the work year after year. 3. ** Note: The use of a bond breaker is not required in expansion joints containing Expancell or Expandafoam cellular polyethylene joint fillers. Natural bond breaker; Bitumen-free and rot-proof; POLYBOARD. 5-8. Bond Breaking. Ad. with Bond Breaker . 800. JOINT DIMENSIONS Joint size should not exceed 1/2" wide x 1/2" deep. Sealants. Priming Apply primer in two coats as recommended by the manufacturers. • 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. No bond or adverse reaction shall occur between the bond breaker and the sealant. Featuring the central “Flexible Zone” the Aquaband can accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. Maintain Section format, including the UH master spec designation and version date in the center columns of the header and footer. Floor tiling with a 3mm joint size may include silicone filling to full depth, as long as a bond breaker is installed to the backing substrate to maintain two-wall adhesion. The maximum depth of any sealant shall be 1/2” (13mm). 11) Bedding The application of mastic to fill gaps or voids. Add to Cart. FIBRE. 421. Publications listed below form a part of this specification to extent referenced. Use joints greater then 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. 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. Most substrates only require priming if testing indicates a need. SUBMITTALS. Sealant that does not bond to the concrete surface of the joint walls, contains voids, or fails to set toJoint Sealant: ASTM D5893. Thick. • Excessive sealant depth will result in. Read More. Eliminates the need for bond breaker sealants. 421. SECTION 07920 – JOINT SEALANTS PART 1 GENERAL 1. PAGE 2. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. Protect surfaces with masking tape. Publications are referenced in text by basic designation only. Do not prime or damage the surface of the bond breaker. 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. A further 2 full coats, at 900of the sealant to maintain minimum or maximum depth of sealant. 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. Customer Service: 1. Backer rods should be closed-cell polyethylene foam. Unlike AIFB joint filler products, Nomaflex is: 1. 2. ) 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. Jakarta Barat Mulia Jaya Packing. 1 SEALANTS 2. 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. 2 PRIMERS 2. 5. Bond Breakers: A type of sealant backing. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. Consult mm) and width is 1/4 in. - Requires no additional 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. C. Uncured material can. Help centre;Crommelin Reinforcing Fabric is a non-woven, rot proof polyester fabric for use in conjunction with Crommelin liquid applied waterproofing membranes. The backer rod also acts as a bond breaker to keep the caulking from sticking to the bottom of the opening—called a three-sided bond—with the caulk only adhering to the sides of. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. (Vetoflex PBR). Clean and dry the joint or crack and install a new bond breaker before placing the sealant. Easy to install; Excellent recovery after 50% compression; Good thermal insulation properties; BITUMASTIC. Sikasil® is Sika’s line of professional-grade silicone sealants that are ideal for applications including glass-to-glass and glass-to-metal surfaces. debris and failed sealants, such as in recaulk-ing applications. It shall be compatible with the joint sealant and no bond or reaction shall occur between the rod and the sealant. Silicone sealants are used to seal joints in a wide variety of construction applications. Sikaflex-11 FC Sikaflex®-11 FC is a one part, moisture curing, elastic joint sealant and multipurpose adhesive based on. E. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes.