Install bond breaker tape where required by manufacturer's recommendations to ensure that sealants will perform as intended. bond breaker joint can be over coated . Also available in grey and white. Sealant Pouring Fill the sealant in the ready joint by hand or. Commonly. a bond breaker between the casting slab and the tilt-up or lift-slab panel. Consisting of a unique grade of rubber, the Bondbreaker Waterproofing. 3 BOND BREAKERS 2. Product Data Sheet Show all documents. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. sealants are as follows: EIFS, primer, sealant backing or bond breaker, adjacent substrates and sealant (see Figs. Sealant Backing C. To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint filler. 3. Hot backer rod is a backstop material for most hot-pour sealants used to fill contraction and expansion joints of concrete highways, runways, driveways, and parking lots. the joint and completely fill the joint without spilling the material on the surface of the pavement. Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. The use of a bond breaker prevents undesirable three-sided adhesion. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. bond breaker joint can be over coated . 3 Low Modulus Silicone Sealant: 932. - 1 - Types of bond breakers Bond breakers can be flexible sealants like silicone or polyurethane, bond breaker tapes, fabric mesh or foam rods. The maximum recommended joint width is 1. Use bond breaker tape over the backer material. 1. For oil-based paints undercoat with water-based primer. The bond breaker may be incorporated in the backup material. 1. bridge joint in a variety of applications , including restoration of failed sealant joints. Joint Depth The joint must be deep enough to allow proper placement of the sealant and a bond breaker/backer rod. Suitable for most water-based paints. Two sided adhesion allows sealant to stretch with joint movement. Note: Not recommended for fire applications. Bond Breakers: A type of sealant backing. e. Backer rod Sealant. What’s more is that CERA-ROD is great for use with hot-applied joint sealants—it is proven not to melt, shrink, evaporate or stain. 5 Butyl Rubber Based 2. Pavt. - Gives proper shape to sealant for effective function. 5 Replacing Existing Sealants 7 4. for all other joints. - Compatible with cold-applied sealants. to prevent joint depths from exceeding ½ in (13 mm). 1 "Min. PAGE 2. characteristic values of the joint sealant and the adjacent building materials, the exposure of the building elements, their construction and size. For use on horizontal substrates. 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. Three face adhesion can be prevented by using bond breakers. Dunlop 1L Multipurpose Water Based Primer (0) $25. contraction to maximize accommodation of movement. (Vetoflex PBR). Sealants. Compatible with Davco K10. 94. Not Recommended for Backing Material. Closed cell backer rod should be 25 % larger than. Backer Rod is an i ntegr al component of sealant joints, it provides three main functions that allow the sealant joint to perform. They are also used over movement joints. 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. 9 L) unit Code: 042A 10 (Std Gray) Code: 042ANB 10 (Neutral Base). - Accepts joint movement. • Install appropriate Tremco polyurethane sealant, TREMflex 50 or Dymonic 100 into the crack in the correct depth to width ratio. narrow joints. Benefits. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. 6144. 5 Priming 4. 01 WORK INCLUDED A. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. • Sanitary grade for interior and exterior use. Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. Install bond breaker tape or backer rod to prevent bond at base of joint. Figure 4 shows a section of sealant removed from a failed joint. 2 mm) thick, and has high adhesion to steel or other structural metals. All joint facings must possess an open surface texture. Suitable for use with Bastion waterproofing membranes. Open cell polyurethane foam or closed cell polyethyleneBastion 300ml Bond Breaker Joint Sealant (0) $9. Remove any masking tape immediately after applying Paraseal. Apply sealant into joint slot in one direction and allow sealant to flow and level out as ne-cessary. Tool as required, although minimum tooling is necessary. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. 020 8524 1931. 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’*. (Class 1225) - are generally more resistant to such damage. Tool as required, although minimum tooling is necessary. 11) Bedding The application of mastic to fill gaps or voids. Joint Design: Proper joint design for moving joints is 2:1 width to depth ratio (typical), with a recommended 1/4 inch (6 mm) minimum and 1/2 inch (13 mm) maximum depth of sealant. Priming Priming is not usually necessary. - 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. 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. Heat and melt the sealant in a melter constructed either as a double boiler filled with a heat-transfer medium between the inner and outer shells, or with internal tubes or coils carrying theElastoproof B50 / B10 - Bond Breaker Joint Band. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. This ensures the correct and uniform sealant depth along the whole length of the joint. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. 2. Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. For construction or contraction joints a bond breaker tape or back-up strip should be used. The B50 Joint Band is easy to install and provides for considerable time saving efficiencies and durable properties over conventional bond breaking sealants and tapes. 5 m ~ 1. For example, joints in concrete sidewalks can be subject to concentrated loads due to high heels. " The sealant should bond only to the substrates that will be moving. Consultmm) and width is 1/4 in. Features & Benefits . 3 Hot rolled acc. Soft backer rod should be approximately 25% larger in diameter than the joint width. Soft backer rod should be approximately 25% larger in diameter than the joint width. Publications are referenced in text by basic designation only. For nonmoving joints, the width to2. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. Proper design is 2:1 width to depth ratio. 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. 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. 1 The primer used should be as named on the 4. internal brick reinforcement. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. The sealant does not adhere to it, and no separate bond breaker is required. In joints too shallow for backer rod, a bond-breaker tape should be used to prevent three sided adhesion. Add to Cart. narrow joints. 6 ENVIRONMENTAL REQUIREMENTS 1. Depth = ½ Width. First, backer rod acts as a bond breaker, meaning it allows the sealant to adhere to the walls of the joint and not the bottom. (See Figure 1, page 27. 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. 2:1 width to. Install bond breaker tape or backer rod to prevent bond at base of joint. Where hydrostatic pressure exists, only bond breaking tapes must be used, notBond Breakers Bond breakers prevent three-sided adhesion of the seal-ant (i. 6 Silicone Rubber Base. THE STANDARD SPECIFICATIONS, SERIES 2015, ARE AMENDED BY THE FOLLOWING MODIFICATIONS AND ADDITIONS. c. B. Bond height. B. Silicone sealants are used to seal joints in a wide variety of construction applications. 2 mm) thick, and has high adhesion to steel or other structural metals. D. Use only the correct backer rod size. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". When the joints have been filled with fibre filled board, this must be raked back to the required depth. - Requires no additional bond breaker. In shallow joints self-adhesive polyethylene tape can be used. Bond Breaking. 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. 932-1. The bond breaker simply forms a separating layer between the substrate and the membrane. • Backer rods, joint fillers or bond breakers must be tight to the sides of the joint to prevent loss of sealant through the bottom. Compare. Ideally this should be accomplished by mechanical means. Flashing at lintels and sills (shown in Figures 2 and 3, respectively) is very similar. Allow for proper sealant tooling. 0-6. This is to ensure a tight compressed fit. 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. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. - Substrate gaps at drainage outlets, flashings,. Find out more. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. USES Sika® BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions. 4. G. To prevent three-point adhesion use a backer rod or bond breaker tape to ensure proper joint movement and a long lastingDOWSIL™ 888 Silicone Joint Sealant and DOWSIL™ 890-SL Silicone Joint Sealant are one-part silicone formulations that can be extruded from -20°F to 120°F. 2. joints from 6 mm to 12 mm wide, width and depth must be equal. • Wider joints (minimum of 1/4" width): as wider joints can accommodate more movement than narrow joints. Backer rods should be closed-cell polyethylene foam. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. 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. When the joints have been filled with fiber filled board, this must be raked back to the required depth. The minimum requirement for appropriate Bond Breaker application is outlined in Table 3. 1-800-474-7570 [email protected]. To prevent three-point adhesion use a backer rod or bond breaker tape to ensure proper joint movement and a long lasting weatherproof seal. Applying the waterproofing membrane is the final step. 2. Contact CRL Customer Service. In acoustical applications, apply 1/4" (6 mm) minimum. 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. Second, it aids in achieving an ideal shape of the sealant (e. 6 m ~ 1. For use with all Bastion Waterproofing Membranes. Visit your local store for the widest range of products. For contraction joints a bond breaker tape or back-up strip must be used. Semi-rigid joint fillers. 99. Excellent adhesion; Flexible joint sealant; Single component; BITUMASTIC GP. JOINT PREPARATION The joint surface must be clean, dry and free from oils, loose mortar, laitance, release agents and other contaminants. Thick. That bond breaker creates the ideal joint design to keep your caulking and chinking stretching properly over time. the sealant during joint tooling, inherently directing the tooling force laterally to the sides of the joint to cause the sealant to wet the substrates, which promotes an adhesive bond. FIBRE. Add to Cart. 5 mil Low-Density Polyethylene Film Tape is frequently used after installing anchor rods in concrete to prevent cracks in the concrete surface. See table below. Compatible with Davco K10 Plus, Davco K10 Rapid and Davco Dampfast. A joint sealant can fail over time due to: any of the options are correct. Purchase Bastion 300ml Bond Breaker Joint Sealant. minimum 12mm x 12mm coved joint. 80 (400)ELASTOMERIC JOINT SEALANT / ADHESIVE. Silicone WP Plus • Neutral cure, anti-fungal formulation. To properly install sealant, you need to provide a joint between two materials. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". Longer drying times are necessary in these areas. 2 mm) thick, and has high adhesion to steel or other structural metals. 4 BACKSTOPS 2. The sealant does not adhere to it, and no separate bond-breaker is required. Elastic reinforcement at critical movement areas. 4. 3. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up strips. Consisting of a unique grade of rubber, the Bond Breaker Waterproofing Joint. A roughened surface will also enhance bond. Bond Breaker Polyethelene Tape Black Roll used in shallow building joints to prevent 3 sided adhesion. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. The type of bond breaker required under the above mentioned. 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. Bastion Bond Breaker to be used as a flexible bond. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). Compare. 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. Acceptable types of bond breakers shall. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. Uncategorized 1 Oct, 2022. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. Masking tape When the sealant is applied in the joints, the sides of joint may be damaged by spreading of sealant. • Excessive sealant depth will result in. Elastic reinforcement essential for the critical movement areas. Aquaband Bond Breaker. A. When a bond. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. For construction or contraction joints a bond breaker tape or back-up strip should be used. It is important for sealant to bond to joints in two places so it can expand properly. All bond breaker rods installed shall be covered by a sealant at the end of2. Sealant works like a rubber band or a shock absorber bonded between two surfaces, stretching back and forth as the two surfaces move. 03 APPLICATION A. Furnish labor, materials, equipment and services necessary to caulk and seal. Bond breaker tape approved by the sealant manufacturer may be used in lieu of bond breaker rod when sealing random cracks. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. 2 Trial Joint Sealant Installation 1. 6. More joint movement can be accommodated in a thin bead of sealant than in a thick bead. 6144. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating 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. It shall be compatible with the joint sealant and no bond or reaction shall occur between the rod and the sealant. Follow the manufacturer’s instructions. Figure 1. Recess Joint Sealant Polyethylene Bond Breaker Tape Polyethylene Bond Breaker Tape Recess Joint Sealant Joint filler board 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. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to movement. Gripset Betta 4kg Water Plug (0) $57. (813 mm) apart. It’s ideal for sealing expansion and construction joints in vertical and horizontal applications. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. 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. Nitoseal SC600 may bond to the tapes and result in the failure of the joint sealant. Prior to any full-scale application of a subsequent paint, coating, sealer, adhesives sealant, grout, etc. C. No bond or adverse reaction shall occur between thebond breaker and the sealant. Visit our Shop Online page to learn more. Add to Cart. - Installs easily and quickly. Tooling: 915 comes ready to use. 800. Economic option for Joint Sealant in Waterproofing applications. High elasticity – cures to a durable, flexible consistency with exceptional cut and tear-resistance. CHARACTERISTICS / ADVANTAGES Esay to use Closed cell Asists with joint design Assists with sealant profile Provides bond breaker Compatible with cold applied sealants (polyurethane, silicone)joint movement can be accommodated in a thin bead of sealant than in a thick bead. Bond breaker Tape is black self-adhesive. 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. If DOWSIL™ 991 Silicone High Performance Sealant cannot be installed whenProduct Description. Expansion/Contraction: 50% (±25%) as per ASTM C719. Cork or rigid non-The bond breaker is applied in joints where walls meet floors or two walls meet in a corner. C. Install bond breaker tape or backer rod to prevent bond at base of joint. 03 APPLICATION A. A roughened surface will also enhance bond. 3. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. 180. 3 mm). A rigid joint filler or sealant backing in joints that will experience movement. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. Use a size that will compress at least 25% when inserted into the joint. Joint Width Inches (mm) Joint Depth. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. Still Not Sure? Call our 7 Day. 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. Filler: A sealant backing used behind a back-up rod. In such cases, the use of bond breaker tape in lieu of backer rod is acceptable. Pavt. Sikaflex-1a can be used in green and damp concrete applications. 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. Clean all surfaces. substances such as over bond breakers or incorporating other reinforcement. Sikaflex®-406 KC is a one-part, self-levelling, elastic joint sealant, with high mechanical and chemical resistance. bond breaker to prevent 3-sided adhesion. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. No bond or adverse reaction shall occur between the bond breaker and the sealant. Primers may be applied to the sides of joints to provide a good bond between them. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Add to Cart. Closed cell backer rod should be 25 % larger than joint width; do not compress more than 40 %. 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: 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. 5. e. 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). 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. Control the depth of the sealant by using a Backer Rod that is 25% larger than the joint opening at its median temperature. It is important for the sealant to bond to joints in two places so it can expand properly. Provide bond breaker (tape or rod). 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. - Will not discolor sealants or substrates. 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. Without bond breakers, the joint sealer tears apart from. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. The maximum depth of any sealant shall be 1/2” (13mm). Sikaflex® PRO is a 1-component, moisture-curing, elastic joint sealant. In addition, many backup materials also serve as bond breakers. Deep joints should incorporate a backing strip such as Sika PEF Rod to support the sealant while also acting as a bond breaker. - Substrate gaps at drainage outlets, flashings,. 7 TRAFFIC CONTROL PART 2 PRODUCTS 2. 1 SEALANTS 2. Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. It is important for the sealant to bond to joints in. 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. It is important for the sealant to bond to joints in two places so it can expand properly. Special Order. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. specified. 800. Tel: +61 3 9279 9333. Long term sealing protection at volatile areas. to internal corners and changes in direction of substrate plane, such as wall/floor; tap bodies, water stops, drainage outlets or similar • Bond breaker joints must be a minimum 12mm x 12mm coved bead of. 1 litre can, average coverage 10m2Bond breaker and closed cell back-up material for use with joint sealants. 1 "Min. Natural bond breaker; Bitumen-free and rot-proof; POLYBOARD. PAGE 1 OF 3 AVD3070 REV 4/05 TABLE 1 - PHYSICAL PROPERTIES Property/Test Methods Value Shore A Hardness, ASTM D-2240. 3. Proper design is 2:1 width to depth ratio for movement joints. Bond breakers should be utilized with deep joint applications. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. Rp5. Visit your local store for the widest range of products. It’s important to match the sealant contact depth to the type of joints. Bond Breakers. The backer rod acts as a bond breaker, preventing what is commonly referred to as three. Most substrates only require priming if sealant will be subjected to water immersion after cure. - Low moisture absorption. Sealing joints must be accessible and repairable. e. R. Poor Joint Design . Compare. 1. A further 2 full coats, at 900of the sealant to maintain minimum or maximum depth of sealant. adequate sealant support. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. Bond Breaker. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Bond breaker tape prevents adhesion to the back of shallow three-sided joints. Apply a fillet to all wall and floor junctions, and if a timber or cement based sheet has been used apply a sealant to the joint between the sheeting. construction or contraction joints a bond breaker tape or back-up strip should be used. Add to Cart. 2 PRIMERS 2. However, it is important to note that most backer rods can serve as a bond. • For a joint size larger than 1 inch, the depth should be kept to between . 94. D. Sealants can help pre-Joints shall be designed with a depth to width ratio of 1:2 (joint depth one-half the width). The sealant thickness and bond thickness shall be measured and recorded. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. Sikaflex® MS bonds well to: Concrete and masonry Cement plaster systems Aluminium, copper, brass and zinc Stainless, mild or galvanised steel Glass and ceramic tiles 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 experience movement; Using braided sealant backing to compensate for a joint opening that is too large for it Buy products online from our wide range. Product code: 305534. The sealant joint shall fully embed the bond breaker tape, extending 1/4” (6 mm) to 3/8” (10 mm) beyond the end Hardie™ Joint Sealant 300ml Cartridge. Bond Breakers: A type of sealant backing. 3 mm). Ableflex Expansion Jointing is made from Polythylene Foam and is utilised as an expansion joint or space filler stip as they are also known. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. Bastion 100mm x. Closed cell backer rod diameter should be larger (i. Jakarta Barat Mulia Jaya Packing. All oil, dirt, debris, paint and any other material that may be a bond breaker must be removed. Packaging: Grey 600ml. As elastomeric sealants will not bond to Polyboard PE, the additional need for bond breaker strips is eliminated. Neutral cure silicone used as a bond breaker. Click & Collect your purchase in-store or we'll deliver it to you. Let us know what you think! If you. The number of joints and the joint width should be designed for a maximum of ± 35% joint movement from the initial joint width. Priming Priming is not usually necessary. Install bond breaker tape over substrates when sealant backings are not used. Refer to instructions given by rod and tape manufacturers for the correct backer rod and tape size related to joint size. The depth of the sealant joint should be ½ the width of the joint.