This reduces cost and improves installation time. Back up material controls the depth of sealant in the joint. Polysulfides, silicones, and polyurethanes are examples of: high-range sealants. Most substrates only require priming if testing indicates a need or where sealant will be subjected to water immersion after cure. 08 APPLICABLE PUBLICATIONS: A. EXAMINATION. 6144. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). It is a guideline not an absolute rule. stress at the sealant bond line, they are more susceptible to chemical damage, while high modulus sealants (Class 1225) -. Acts as the bond breaker for the waterproofing system eliminating need for other sealants/tapes. Typically there are three components to the Bond Breaker System; a Fillet; bond-breaker tape and a waterproofing membrane. Depth = ½ Width. in optimal conditions, the depth of the sealant should be ½ the width of the joint. In joints too shallow for backer rod, use a polyethylene bond-breaker tape to prevent three-sided adhesion. Use a sealant backing or. A. , Inc. Bond Breakers or masking tape Bond breakers prevent three-sided adhesion of the sealant (i. Publications are referenced in text by basic designation only. B. See full list on ncma. Use a size that will compress at least 25% when inserted into the joint. joint. The installation of solvent based polyurethane joint sealants beneath water based membranes can result in a breakdown in the membrane through solvent release. 75 . The. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. In joints too shallow to take a backer rod, use a bond breaker tape to prevent three-sided adhesion. Bond breaker tapes are obtainable in the mentioned width:15 mm,. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. Bostik’s recommended sealants • Bond breaker is to be installed over the coat where a bond breaker joint is required, e. 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. Concrete and steel are typical substrates used with bond breakers, as they are non-metallic or metallic anti-stick materials. 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. 605-2. Provide backup material that is a compressible, non-shrinking, non-staining, non-absorbing material, nonreactive with the joint sealant. e. For joints greater than 1 inch (25. 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. Thick. Dampfix Platinum Bostik Australia Pty Ltd, Level 1, 6 English Street, Essendon Fields, Victoria, 3041, Australia. In addition, many backup materials also serve as bond breakers. There are two important factors to remember when applying sealant. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. Clean all surfaces. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". Thick. SUBMITTALS. Acting as the required system "bond breaker", the B50 / B10 Joint Band will accommodate movement in longitudinal, lateral and transverse directions enabling. Bond Breaker Strips. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by. Masking tape When the sealant is applied in the joints, the sides of joint may be damaged by spreading of sealant. horizontal hourglass shape). internal brick reinforcement. Bond breaker tape prevents adhesion to the back of shallow three-sided joints, which can cause splitting failure in the sealant. 3. • 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. Bond Breakers. The sealant must bond to only two surfaces such as. Bond Breakers: A type of sealant backing. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. 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. - 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. Figure 1. Where hydrostatic pressure exists, only If the joint or crack becomes contaminated, damp, or wet, remove the bond breaker if it has been installed. Step 4: Membrane application. Compare. 2 Bond Breaker Installation 7 4. Primary use shall be with new joint construction and remedial joint. Silicone sealants are able to bond to most surfaces, particularly porous substrates such as concrete and masonry. 2:1 width to. D. Install bond breaker tape or backer rod to prevent bond at base of joint. 5 Butyl Rubber Based 2. Use a Sika PEF backing rod to form the joint base. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. Type 3 bond breakers are effective where membrane application occurs either below, or on top of the screed. WHAT are Joint Sealants used for ? Joint sealants are used to seal joints and openings between two or more substrates. It is commonly used in applications such as expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction. 2 Joint slot surface preparation 5. 180. For construction or contraction joints a bond breaker tape or back-up strip should be used. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. Customer Service: 1. Protect surfaces with masking tape. 000. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. Do not prime or puncture the backer rod. The shape of the sealant bead is also important for each application- see Figure 1. Filler: A sealant backing used behind a back-up rod. • For a joint size larger than 1 inch, the depth should be kept to between . 2. 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 can be used in green and damp concrete applications. A high-performance Bond Breaker Joint Sealant to provide extra protection and flexibility in vital joints for all waterproofing applications. The bond breaker tape stops the sealant from adhering to the surfaces and prevents three-sided adhesion. Remove all dirt, laitance, loose material, mould release and curing agents, and foreign matter. EN 13108-6 8. Read More. Expansion/Contraction: 50% (±25%) as per ASTM C719. Poor Joint Design . A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. 8 mils thick with an adhesion of 45 oz/in, a tensile strength of 110 lbs/in and elongation at break of 33%. Bond Breaking. Excellent adhesion – bonds to most construction materials without a primer. - An extra 900-micron (0. Zip pay and Paypal available to purchase products online. 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 sealant should be 1/2 the width of the joint. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. Collect Flybuys points when you shop in-store or online! *Some exclusions apply. For joints greater than 1 inch (25. Gripset Betta 4kg Water Plug (0) $57. When the joints are not deep enough to accept a backer rod, a polyethylene bond breaker tape should be installed. Hotwire 1200W 8m² Heating Mat (0) $1008. 1. Self Adhesive Butynol Tape that is the ultimate in bond breaking. Figure 2 The width of building expansion joints vary because of seasonal and daily changes in temperature. For sealing shallow joints Bond Breaker Tape is applied to the bottom of the joint so the sealant will bond only to the walls. ** Note: The use of a bond breaker is not required in expansion joints containing Expancell or Expandafoam cellular polyethylene joint fillers. Correct joint depth can be established by inserting closed cell polyethylene backing rod tightly into the joint. PAGE 2. The Work in this Section covers all sealant and caulking materials and. 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. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. 0m / 2. 01 EXAMINATIONJoint dimension should allow for 1/4” minimum and 1/2” maximum thickness for sealant. . Special Order. G. 421. Where a particularly neat finish is required, mask the face edges of the joint before sealing and remove immediately after tooling is completed. 1 Porous substrates 8 4. PTFE joint Sealant 4mm x 12mm / Expanded super seal with Glue. This base surface can be an isolation or expansion joint filler material, concrete, backer rod, or any other base that can lead to a three-plane adhesion condition. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. joint sealant to the recommended thickness. is a cus tom extrusion or mold made of higher durometer silicone rubber used in custom applications. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. 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. Leave no 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. Where hydrostatic pressure exists, only bond breaking tapes must be used, notBond Breakers Bond breakers prevent three-sided adhesion of the seal-ant (i. EXPANSION AND CONTROL JOINTS Sealant (depth is 1/2 width). Essential to any sealant application is a backer rod or bond breaker tape. The sealant thickness and bond thickness shall be measured and recorded. characteristic values of the joint sealant and the adjacent building materials, the exposure of the building elements, their construction and size. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. 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. The back rod and breaker tape shall be installed in the saw-cut joint to prevent the joint sealant from. 7 We r eh NA 1740 ends on any penetration, apply a bead of silicone or urethane sealant. 421. . custom crochet animals / leyland cypress hedge / bond breaker tape sealant. 4. FIBRE. 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. C. the sealant joint depth (measured at the center) should always fall between the maximum depth of ½" and the minimum depth of ¼". Innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. Weep holes or open head joints should be located a maximum of 32 in. 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. Concerns: 1. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. The depth of the sealant should be 1/2 the width of the joint. Add to cart. To prevent three-point adhesion use a backer rod or bond breaker tape to ensure proper joint movement and a long lasting weatherproof seal. 800. polyethylene bond breaker tape 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. 94. Contact CRL Customer Service. D. Tape shall be removed immediately after the tooling. 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. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. Joint sealants help keep wind and rain out of buildings and foreign solid mat-t e r, such as dirt and ice, out of joints. G. Bond breaker. Bond breaker Tape is black self-adhesive. JOINT SEALANTS SECTION 07 92 00 JOINT SEALANTS PART 1 - GENERAL 1. specified. The maximum depth is ½” (13 mm) and the minimum is ¼ inch (6mm). Bond Breaker D. 932-1. Product Downloads. 7. An inherent bond breaker – When using sealants, no bond breaker is needed. 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. 421. Service temperature -50˚C to. PART 3 - EXECUTION. If DOWSIL™ 991 Silicone High Performance Sealant cannot be installed whenProduct Description. Bond breaker tape prevents adhesion to the back of shallow three-sided joints. Bond Breaker Tape: Polymer tape compatible with joint sealant materials and recommended by sealant manufacturer. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to movement. 5 m ~ 2. - Installs easily and quickly. prevent bond. 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. There are two major purposes of sealants in joints: (1) the sealant fills space, creating a seal, and must maintain that seal throughout the useful life of the structure. Bond Breakers: A type of sealant backing. Bond Breaker Tape: Catalog number 827T by C. Compare. a bond breaker between the casting slab and the tilt-up or lift-slab panel. Pavt. Easy and time saving installation; Eliminates need for bond breaking sealants, foams and tapes; Elastic reinforcement at critical movement areas; High strength while remaining elastic; Long term sealing protection at volatile areasInstall silicone sealants over a bond breaker to prevent the sealant from bonding to the bottom of the joint. 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. Elastomeric sealants should not adhere to the base of a joint. Aspal sealant bulk / asphaltic plug , joint sealant rigid beton. • Suitable for use as a waterproofing membrane bond breaker or as a highly durable finishing sealant. Add to Cart. Pavt. To ensure free movement in the joint, bond breaker tape is placed between the joint sealant and joint filler. 4. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non -. Features. Sikaflex® MS has been formulated for sealing joints in and around concrete, brick, masonry, pre-cast panels, stone cladding, windows, doors and fibre cement sheeting. cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified i. 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. • Neutral cure – will not corrode concrete or zinc coated. Priming is not usually necessary. Increasing the width (W) of the joint and decreasing the depth (D) generally reduces. PAGE 1 OF 3 AVD3070 REV 4/05 TABLE 1 - PHYSICAL PROPERTIES Property/Test Methods Value Shore A Hardness, ASTM D-2240. Use bond breaker tape over the backer material. - All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. use polyethylene bond breaker tape to prevent three-sided adhesion. It is important for sealant to bond to joints in two places so it can expand properly. The use of a bond breaker allows joint movement to happen naturally, independent of the waterproofing membrane, ensuring long-term, leak-free performance. Working joint depths should never exceed 1/2" (12 mm) or be thinner than 1/8" (3 mm). For contraction joints a bond breaker tape or back-up strip must be used. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. Mastic is a form of sealant or adhesive used to fill the joints or as a bond for different materials and gaps. And fourth, it simplifies tooling. 1-11 Legend A. Sealant Melting. 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 Priming is not usually necessary. 3 Hot rolled acc. Add to Cart. Use only the correct backer rod size. We also provide all type of joint sealants. Thick. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. C. 2 mm) thick, and has high adhesion to steel or other structural metals. 2. When a bond. (See Figure 1, page 27. adequate sealant support. 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’*. substances such as over bond breakers or incorporating other reinforcement. The use of a bond breaker is not required in expansion joints containing cellular polyethylene joint filler, backing rod (Vetoflex PBR). Closed cell backer rod should be 25 % larger than joint width; do not compress more than 40%. Warranty. 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. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up. $9. C. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to. Benefits. You can use bond breakers to improve joint performance. Bostik’s recommended sealants • Bond breaker is to be installed over the dry primer coat where a bond breaker joint is required, e. For good adhesion, the joint interface must be sound, clean and dry. 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. Self Adhesive Butynol Tape that is the ultimate in bond breaking. Suitable Surfaces & Substrates. Features. Purchase Bastion 300ml Bond Breaker Joint Sealant. For metal butt joints Bond Breaker Tape is applied to metal edges so the sealant can be "buttered" over the joint and canexposure to atmospheric moisture. Bastion 300ml Bond Breaker Joint Sealant (0) $9. 375” to 0. Priming Apply primer in two coats as recommended by the manufacturers. 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. C. 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. 6144. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. This is to ensure a tight compressed fit. Add to Cart. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. sealants are as follows: EIFS, primer, sealant backing or bond breaker, adjacent substrates and sealant (see Figs. 1 DESCRIPTION: A. Reinforcing Mesh Embedded in Base Coat G. Apply sealant using consistent, positive pressure to force sealant into the joint. If the sealant bonds in the wrong areas, it may tear or stretch to the point of failure. narrow joints. Note: Not recommended for fire applications. Sikaflex® Concrete Fix is a moisture-cured, one-part, non-sag and elastomeric polyurethane sealant. The type of bond breaker required under the above mentioned. Sealant Pouring Fill the sealant in the ready joint by hand or. Click 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 ,. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as three sided adhesion. In joints where polystyrene or bitumen impregnated fillers have been used, Abelflex is ideal as a bond-breaker. - Will not discolor sealants or substrates. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Compatible with Davco K10. It is applied to the casting slab to function as a bond breaker between the casting slab and the tilt-up or lift-slab panel. 4 mm), do not exceed 1/2 inch (13 mm) in depth. it into the joint channel without stretching it lengthwise. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Apply the sealant so that it is- All bond breaker joint sealant profiles must be a minimum 6mm in depth at the mid-point of the joint. Joint Width Inches (mm) Joint Depth. Economical Easy to install Readily compressible Rot proof and non-absorbent Provides bond breaker and minimum strain shape for joint sealants Provides a firm backing for sealant tooling Advantages The use of Expancell will also act as a bond breaker at the base of the joint thus preventing three sided adhesion and the accompanying additional. the joint opening at standard temperature. The use of a bond breaker prevents undesirable three-sided adhesion. Master Wall® System Latex Sealant as Bondthe joint shall be mechanically cleaned by water or sand blasting. The maximum recommended joint width is 1. Most substrates only require priming if testing indicates a need. 5-8. 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. therefore, sealant wastage is reduced. 3. Features & Benefits. 0-3. 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. Sikaflex-11 FC Sikaflex®-11 FC is a one part, moisture curing, elastic joint sealant and multipurpose adhesive based on. 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. Elastic reinforcement essential for the critical movements areas. 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. No bond breaker material; therefore the joint will not. bond breaker joint can be over coated . joint sealant and no bond or reaction shall occur between the rod and the sealant. For construction or contraction joints a bond breaker tape or back-up strip should be used. g. Use bond breaker tape over the backer material. Contact CRL Customer Service. Material shall act as a bond breaker and shall be circular in cross section. Bond Breakers: A type of sealant backing. 3. Often necessary because of the sealant in-compatibility with these forms of fillers. Where a particularly neat finish is required, mask. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. Often necessary because of the sealant in-compatibility with these forms of fillers. 0-6. Use only the correct backer rod size. Sealing joints must be accessible and repairable. 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. Economic option for Joint Sealant in Waterproofing applications. Home DIY; Trade; Waterproofing. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. Reinforcing Fabric maximises membrane strength in vulnerable areas such as corners and construction joints and doesn't compromise the flexibility of the waterproofing system. 1. Apply moderate pressure to break seal inside the nozzle. Color: Clear: EUCO 700: Semi-Rigid Joint Filler quantity . 02. Where joint design or depth of joint will not permit the use of backing rod, use a bond breaker tape. Bond height. Service temperature -50˚C to +120˚C. 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. Aquaband Bond Breaker. Most substrates only require priming if sealant will be subjected to water immersion after cure. Contact CRL Customer Service. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. Features Snapshot. 3M™ Bond Breaker Tape 8891 features a strong polypropylene backing with a synthetic rubber resin adhesive. bond breaker tape sealant. 68 (150) Surface and ambient temperature minimum 40-100 maximum 14 days ChemMasters Aquanil Plus 100 (P)(1) Clean, free from dirt, dust, laitance, oil, grease, paints, curing or sealing compounds, tilt up bond breakers or other contaminants 1 Application: 9. D. A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane.