Polysulfides, silicones, and polyurethanes are examples of: high-range sealants. For construction or contraction joints, use a bond breaker tape or back-up strip. High elasticity – cures to a durable, flexible consistency with exceptional cut and tear-resistance. Consisting of a unique grade of rubber, the Bondbreaker Waterproofing. Not Recommended for Backing Material. Thick. Sealing joints must be accessible and repairable. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. 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. Priming Fosroc Primer MS2 is required for joints that are to beNeutral cure silicone used as a bond breaker. Deep joints should incorporate a backing strip such as Sika PEF Rod to support the sealant while also acting as a bond breaker. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non -. 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. Add to Cart. Apply moderate pressure to break seal inside the nozzle. 1. Expansion/Contraction: 50% (±25%) as per ASTM C719. As a bond breaker/joint profile former to support elastomeric sealants in expansion joints between all common building materials Roads, bridges, roof joints Expandafoam Closed Cell is used as a backing strip for non traffic-bearing expansion joints. This reduces cost and improves installation time. Minimum depthA. Hotwire 1200W 8m² Heating Mat (0) $1008. 421. Aspal sealant bulk / asphaltic plug , joint sealant rigid beton. Gripset Betta 4kg Water Plug (0) $57. therefore, sealant wastage is reduced. Acting as the required system "bond breaker", the B50 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling high elongation, rupture resistance and up to 100% elastic. B. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. 6 m ~ 1. 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. Backer rods should be closed-cell polyethylene foam. Excellent adhesion; Flexible joint sealant; Single component; BITUMASTIC GP. PU sealants are mistakenly used as a bond breaker, where a neutral cure silicone should be installed. 1. b. other potential bond breakers. For use in hori-zontal joints in traffic areas, the absolute minimum depth of the sealant is 1/2” and closed cell backer rod is recommended. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. contraction to maximize accommodation of movement. substances such as over bond breakers or incorporating other reinforcement. specified. Jakarta Barat Mulia Jaya Packing. Protect surfaces with masking tape. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. Read More. MasterSeal NP 2 sealant. . To control the sealant from attaching to the surfaces, bond breaker tape is involved along the whole width/length of the base of the joint. Product Data Sheet Show all documents. 800. 6144. Polyethylene tape is commonly used as bond breaker tape. $9. 5m / 3. Always use bond breaker tape or closed cell back-Joint Backing: Backer rod is necessary to control depth of sealant and provide a base for tooling pressure. 3. Sealants will fail in cohesion (split) if bonded on. 0-6. refer to table 1. 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. Find us. Allow for proper sealant wetting of the joint surfaces. SECTION 07920 – JOINT SEALANTS PART 1 GENERAL 1. It is important for the sealant to bond to joints in. Bond Breaker Tape: Catalog number 827T by C. 4. Where a particularly neat finish is required, mask the face edges of the joint before sealing and remove immediately after tooling is. Bond breaker systems can be optimized by installing foam backing rod in the junctions, on top of the cured membrane, before laying the screed. The depth of the sealant should be 1/2 the width of the joint. Visit your local store for the widest range of products. 1. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. This question is taken from book named – A Self Learning Manual – Mastering. 1-11 Legend A. 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. NOTE: Although good in principle, it is difficult to place bond breaker tape in the bottoms of the grooves such that the tape will not move during application of the sealant. Joint design Again to ensure long term performance the depth of the joint should be designed to be approximately half of the width especially on joints > 25mm wide. No bond or adverse reaction shall occur between the bond breaker and the sealant. 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. 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. Color: Clear: EUCO 700: Semi-Rigid Joint Filler quantity . Bond Breaker Tape is used in joint sealing applications to ensure sealant only adheres to two faces of the joint. Size: 5 Metre x 100mm Roll. 15 (After two weeks @ 190°F)Expanded PTFE joint sealant - Super Seal PTFE 3mm x 10mm x 15 m. E. Pavt. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. a low-range sealant used for filling or closing a seam, crevice or crack in order to make it watertight and airtight. Silicone WP Plus Sealant. But when a sealant material is required, a portion of the filler is removed to form the necessary space for the sealant and its backing material (if required). Customer Service. Apply the right amount of sealant. bond breaker joint can be over coated . Uncategorized 1 Oct, 2022. 6. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. 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. The use of a bond breaker is not required in expansion joints containing Fosroc Hydrocell or Expancell cellular polyethylene expansion joint fillers. 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. Plus, it will retain its original diameter and is non-gassing when exposed to high sealant temperatures. Bond Breakers: A type of sealant backing. 3 mm). Where a particularly neat finish is required, mask. It shall be compatible with the joint sealant and no bond or reaction shall occur between the rod and the sealant. The type of bond breaker required under the above mentioned. It is suitable for movement and connection joints for indoor and outdoor applications. joints from 6 mm to 12 mm wide, width and depth must be equal. sides of the sealant. Ad. 3. 800. Ideally this should be accomplished by mechanical means. Let us know what you think! If you. Cut spout or tip to desired bead size. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. Acting as the required system "bond breaker", the B50 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling high elongation, rupture resistance and up to 100% elastic. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. 5 m ~ 4. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. 6144. Install bond breaker tape or backer rod to prevent bond at base of joint. - 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. preventing pipe from contact with the outer sleeve. Third, it provides support for the joint sealant. Back-up Rod: A type of sealant backing. Soft backer rod should be approximately 25% larger in diameter than the joint width. Movement capability of ± 25 (ASTM C 719) Good workability. Customer Service: 1. 1. D. The sealant thickness and bond thickness shall be measured and recorded. e. a. Follow these guidelines when placing the sealant: a. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Long term sealing protection at volatile areas. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. High recovery rate. 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. with insufficient space in the joints to accommodate backer rod in addition to proper sealant thickness and proper sealant recess. breaker tape to isolate FIBRE EXPANSION JOINT from the joint sealant material. Features. No bond or adverse reaction shall occur between thebond breaker and the sealant. 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. The product should be used where appearance. Follow the manufacturer’s instructions. Customer Service: 1. Service temperature -50˚C to +120˚C. A roughened surface will also enhance bond. For oil-based paints undercoat with water-based primer. Compatible with Davco K10. )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. Compare. " The sealant should bond only to the substrates that will be moving. with Bond Breaker . 2. A clear or translucent type of packing tape is preferred and can be purchased from most Dow silicone pavement sealant distributors. Use a size that will compress at least 25% when inserted into the joint. Types of bond breakers. Most substrates only require priming if testing indicates a need. 5 m ~ 2. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. Bandage seal (Bandage joint) The application of sealant across a joint which is not designed to accommodate a sealant (see fig. BondThe sealant should bond only to the substrates that will be moving. Install bond breaker tape or backer rod to prevent bond at base of joint. Add to Cart. to EN 13108-1 and mastic asphalt acc. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. Most substrates only require priming if sealant will be subjected to water immersion after cure. For joints greater than 1 inch (25. 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). Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. The cured. 7 TRAFFIC CONTROL PART 2 PRODUCTS 2. joint width to sealant depth should be about 2:1. C. Rp5. 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. 42. contraction to maximize accommodation of movement. Uses: BestBond Joint Sealant permanently fills and seals cracks in concrete, stone, masonry, and most rigid surfaces. HBR acts as a bond breaker to allow joint movement without undue stress to the sealant. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Poor Joint Design . If depth exceeds 1/2", use backer rod. G. Fast cure (FC) polyurethanes or Modified Silyl terminated sealants (MS) may. - Substrate gaps at drainage outlets, flashings,. Add to Cart. Where a particularly neat finish is required, mask the faceExpansion Joints - - All expansion joints must be isolated from the membrane by a minimum 12mm wide bond breaker tape that covers the entire width & length of the joint. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. 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. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up. 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. Suitable for most water-based paints. 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. For most effective results, dura. Thick. Use a sealant backing or. Features Snapshot. It is important for the sealant to bond to joints in. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. 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. Closed cell backer rod should be 25 % larger than joint width; do not compress more than 40%. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. Used in joint sealing applications, Bond Breaker Tape stops. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. 2. 1 Porous substrates 8 4. )SECTION 07 9200 - JOINT SEALANTS. For use with all Bastion Waterproofing Membranes. THE STANDARD SPECIFICATIONS, SERIES 2015, ARE AMENDED BY THE FOLLOWING MODIFICATIONS AND ADDITIONS. Nomaflex does not impede cure time. Anti Fungal. All joint facings must possess an open surface texture. 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. If using a sealant, use a scraper to flatten the corners. Masking tape When the sealant is applied in the joints, the sides of joint may be damaged by spreading of sealant. Figure 4 shows a section of sealant removed from a failed joint. B. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up strips. (6. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. Install bond breaker tape or backer rod to prevent bond at base of joint. Tool as required, although minimum tooling is necessary. The bond breaker simply forms a separating layer between the substrate and the membrane. Remove all dirt, laitance, loose material, mould release and curing agents, and foreign matter. Dimension C must be at least 6 mm (1/4”). If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. Essential to any sealant application is a backer rod or bond breaker tape. Where hydrostatic pressure exists, only If the joint or crack becomes contaminated, damp, or wet, remove the bond breaker if it has been installed. Bond Breaker Strips. 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. 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). contraction joints a bond breaker tape or back-up strip should be used. This is when the sealant is adhered to the bottom and both sides of the joint. Apply joint sealants in uniform, continuous ribbons without gaps or air pockets, with complete "wetting" of joint bondstructure. Open cell polyurethane foam or closed cell polyethylene Bastion 300ml Bond Breaker Joint Sealant (0) $9. Priming All joint surfaces must be. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. Also available in grey and white. Sealing joints must be accessible and repairable. A bond breaker material shall be installed prior to installation of the sealant to maintain minimum or maximum depth of sealant. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. In joints up to 0. to prevent joint depths from exceeding ½ in (13 mm). Aquaband is an innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. Use a sealant backing or bond breaker tape to eliminate "three-sided adhesion. Control the depth of the sealant by using a Backer Rod that is 25% larger than the joint opening at its median temperature. • For a joint size larger than 1 inch, the depth should be kept to between . Pavt. Bastion 100mm x 10m 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. The surface of a building component or joint that serves as a substrate for sealant and to which the sealant is bonded. Add to Cart. The sealant does not adhere to it, and no separate bond breaker is required. A rigid joint filler or sealant backing in joints that will experience movement. If ambientAsphalt Sealant. The joint slot width when 4. . 3 D (D=Conc. Stays resilient within a wide temperature range. External walling and cladding Expandafoam Closed Cell is used as a backing strip forMasterSeal NP 2 sealant. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Concrete and steel are typical substrates used with bond breakers, as they are non-metallic or metallic anti-stick materials. Apply bead of silicone or urethane sealant around the drain flange at the drain throat to join NA 1740 to the drain assembly. Longer drying times are necessary in these areas. 180. Bond Breakers. As elastomeric sealants will not bond to Polyboard PE, the additional need for bond breaker strips is eliminated. act as bond breakers, which allow the silicone sealant to move freely with the joint. Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. As the temperature falls, the force required to stretch the sealant increases. to maintain the recommended sealant depth, install backer rod by compressing and rolling it into. 1. 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. No bond breaker material; therefore the joint will not. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. Features & Benefits . - Requires no additional bond breaker. 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. provides a non-stick surface to prevent sealant 3-sided adhesion. A thorough wire brushing, grinding,Fastflex (formerly branded as Isoflex) extends the service life of concrete by acting as an insulator in isolation joints and expansion joints while acting as a bond-breaker for sealants. Acceptable types of bond breakers shall include: (a)Closed cell expanded polyethylene foam backer rod. 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. Often necessary because of the sealant in-compatibility with these forms of fillers. Figure 2 The width of building expansion joints vary because of seasonal and daily changes in temperature. Prevention. Silicone WP Plus • Neutral cure, anti-fungal formulation. Bastion 15kg Under Tile. 2 PRIMERS 2. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. 5”use a 1:1 width to depth ratio and joints wider than . Bond Breakers: A type of sealant backing. That bond breaker creates the ideal joint design to keep your caulking and chinking stretching properly over time. Recommended for all sealant applications with the exception of applications requiring rapid curing from backside. compounds, tilt up bond breakers or other contaminants 1 Application: 3. See table below. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. 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,. B. b. 2 mm) thick, and has high adhesion to steel or other structural metals. 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. Purchase Bastion 300ml Bond Breaker Joint Sealant. Suitable substrates for Sikasil®-728 SL are concrete, steel, glass, aluminium, masonry, asphalt, brick, natural stone and others. D. Proper joint design is 2:1 width to depth ra-tio. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. C. Rp365. ® cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified. 1 litre can, average coverage 10m2Bond breaker and closed cell back-up material for use with joint sealants. PAGE 1 OF 3 AVD3070 REV 4/05 TABLE 1 - PHYSICAL PROPERTIES Property/Test Methods Value Shore A Hardness, ASTM D-2240. Joint Sealant: Mildew-Resistant, Single-Component, nonsag, acid-curing silicone joint sealant, Greenguard certified White Lightning All Purpose Silicone Sealant. In this con-Compact sealant into joint with a wet wooden spatula and smooth off to the desired finish. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. 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. Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. bond breaker joint can be over coated . Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. Refer to instructions given by rod and tape manufacturers for the correct backer rod and tape size related to joint size. 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. Where joint design or depth of joint will not permit the use of backing rod, use a bond breaker tape. 8 mils thick with an adhesion of 45 oz/in, a tensile strength of 110 lbs/in and elongation at break of 33%. b. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Visit your local store for the widest range of products. The cured. 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. Closed cell backer rod or bond breaker tape must be installed at the bottom or base of a dynamically working joint prior to sealant installation to prevent three sided adhesion. Tool as required, although minimum tooling is necessary. 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. Sealants can help pre-Joints shall be designed with a depth to width ratio of 1:2 (joint depth one-half the width). characteristic values of the joint sealant and the adjacent building materials, the exposure of the building elements, their construction and size. 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. Add to Cart. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. e. Primary use shall be with new joint construction and remedial joint. Add to Cart. Tool as required, although minimum tooling is necessary. Bond breaker tape prevents adhesion to the back of shallow three-sided joints, which can cause splitting failure in the sealant. • APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. 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. Apply continuous bead of USG Sheetrock® Brand Acoustical Sealant around all openingsD. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. Primers may be applied to the sides of joints to provide a good bond between them. Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. 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. EN 13108-6 8. In acoustical applications, apply 1/4" (6 mm) minimum. Sikaflex®-406 KC is a one-part, self-levelling, elastic joint sealant, with high mechanical and chemical resistance. - Gives proper shape to sealant for effective function. Bond Breakers in Waterproofing Systems. Bond Breakers: A type of sealant backing.