Available in a 300ml cartridge and as a 600ml sausage. Joint surfaces must be clean, dry and free from frost. the sealant joint depth (measured at the center) should always fall between the maximum depth of ½" and the minimum depth of ¼". Primary use shall be with new joint construction and remedial joint. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. 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. • Excessive sealant depth will result in. 3. Joint Width Inches (mm) Joint Depth. It is important for the sealant to bond to joints in. However, it is important to note that most backer rods can serve as a bond. Publications are referenced in text by basic designation only. 3. 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. Consult mm) and width is 1/4 in. D. 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. provides a non-stick surface to prevent sealant 3-sided adhesion. 6. 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 rainscreen principle attempts to: prevent wind-driven water from breaching a curtain wall by equalizing the air pressure on both sides of the wall. Stress relaxation to prevent splitting at edges. Wrapped Mesh Embedded in Base Coat. Most substrates only require priming if testing indicates a need or where sealant will be subjected to water immersion after cure. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. 2 mm) thick, and has high adhesion to steel or other structural metals. Sealant B. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. from adhering to the back of a raked joint or to the backup), allowing the sealant to freely deform in response to building movements (see Figure 1c). A bond breaker is therefore employed to minimise the stresses by providing bond relief and ensuring proper functionality of the membrane. As elastomeric sealants will not bond to Polyboard PE, the additional need for bond breaker strips is eliminated. Featuring the central “Flexible Zone” the Aquaband can accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. 3 D (D=Conc. Still Not Sure? Call our 7 Day. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. Thick. Discount Sealants, Caulks and Adhesives, Adhesive Sealants, NP1, SL1, Expansion Joint Sealants, Backer Rod, RV sealants, Glass Sealants, Deck and pool Sealants. The backer rod most importantly acts as a bond breaker, preventing what is referred to as three sided adhesion or three point bonding. c. Bond Breakers: A type of sealant backing. Products. It is important for the sealant to bond to joints in. Joint Depth The joint must be deep enough to allow proper placement of the sealant and a bond breaker/backer rod. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). the sealant should be 1/2 the width of the joint. Avoid brushing on the bond breaker tape. Warranty. Sealants can help pre-Joints shall be designed with a depth to width ratio of 1:2 (joint depth one-half the width). 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. Acts as the bond breaker for the waterproofing system eliminating need for other sealants/tapes. Sealant for concrete and masonry facades. 2 PVC 2. Primers may be applied to the sides of joints to provide a good bond between them. 1 Porous substrates 8 4. The surface of a building component or joint that serves as a substrate for sealant and to which the sealant is bonded. • For a joint size larger than 1 inch, the depth should be kept to between . 01 WORK INCLUDED A. 3. sound substrate capable of developing optimum bond with joint sealants. A narrow deposit of sealant applied to a building. Where a particularly neat finish is required, mask. There are two important factors to remember when applying sealant. It is commonly used in applications such as expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction. The 2” sealant tail shall be pulled at an angle of 90° or more from the wall face until the. A further 2 full coats, at 900bond free, thereby allowing the sealant to adhere only to the sides of the joint. 9 mm) wet coat extending a minimum 35mm either side of the bond breaker tape must be applied as an extra coat. joint sealant to the recommended thickness. 5”. Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. Bond Breaker Strips. Compare. 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. The use of a bond breaker prevents undesirable three-sided adhesion. stress at the sealant bond line, they are more susceptible to chemical damage, while high modulus sealants (Class 1225) -. From 12 mm wide to 24 mm wide the depth should be 12 mm,. Home DIY; Waterproofing. PART 3 - EXECUTION 3. 1. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. Lightweight – Nomaflex weighs 75%. 01 EXAMINATIONJoint dimension should allow for 1/4” minimum and 1/2” maximum thickness for sealant. Dulux Avista 10L Bluestone Coloured Concrete Sealer (0) $159. A joint sealant can fail over time due to: any of the options are correct. If a solid formed joint base already exists as a result of the construction process it must be covered with a bond breaker tape. 6 Silicone Rubber Base. )it into the joint channel without stretching it lengthwise. Add to Cart. For construction or contraction joints a bond breaker tape or back-up strip should be used. You can use bond breakers to improve joint performance. polyethylene bond breaker tape to prevent three-sided adhesion. Find Bastion 300ml Bond Breaker Joint Sealant at Bunnings. Clean all surfaces. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. Use a Sika PEF backing rod to form the joint base. JOINT DESIGN QUIKRETE Polyurethane Sealants A thin bead of sealant will accommodate more movement than a thick bead. Sealant backing. Do not use bond breaker that will stain or adhere to the sealant. Bond Breakers: A type of sealant backing. 1. •A thin bead of sealant (1/4" ± 1/8"Customer Service: 1. ) 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. Neutral cure silicone used as a bond breaker. Elastic reinforcement essential for the critical movement areas. 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. PRIMINGbond breaker tape sealantaudi r8 coil pack sr20detaudi r8 coil pack sr20detA bond breaker tape is an essential component in cases where the sealant can adhere to its base surface. 2. Pavt. Find us. 4 mm), do not exceed 1/2 inch (13 mm) in depth. 5 Priming 4. 3. Drawing a bead on proper joint sealing. Available in: - 100mm. contraction to maximize accommodation of movement. The type of bond breaker required under the above mentioned. MasterSeal NP 2 sealant. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. The round profile assists in providing the correct joint sealant profile allowing optimum movement. The joint slot width when 4. Step 4: Membrane application. 1. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. 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. When you’re in need, we’re here to help! Features. D. Add to Cart. 11) Bedding The application of mastic to fill gaps or voids. Tool as required, although minimum tooling is necessary. ) 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. D. Cork or rigid non-The bond breaker is applied in joints where walls meet floors or two walls meet in a corner. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. 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. 4. Easy and time saving installation. Contact CRL Customer Service. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. e. Add to Cart. substrate. Mastic Sealant. au4. Because many backup materials act as bond breakers, a separate bond breaker material is not always required. Bond Breaker Tape is a polyethylene tape used to prevent 3-point adhesion in shallow caulk joints or joints where backer rod cannot be used. Sealant bead should be a minimum 1/4 inch (. Priming is typically not necessary. Essential to any sealant application is a backer rod or bond breaker tape. 3 mm). Sika® Foam Backer Rod Closed Cell has excellent cpmression and recovery properties, is available and various sizes and lengths. Bond breaker tapes are obtainable in the mentioned width:15 mm,. Soft backer rod should be approximately 25% larger in diameter than the joint width. The mortar in a rigid control joint must be raked out to the proper depth while it is still plastic. Also avoid applying sealants inBond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for. 0-3. A. Neutral cure silicone used as a bond breaker. • For a joint size larger than 1 inch, the depth should be kept to between . The sealant does not adhere to it, and no separate bond-breaker is required. 4. e. 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. Tape shall be removed immediately after the tooling. Add to Cart. Features & Benefits . Aquaband is an innovative detailing system designed for waterproofing and sealing all types of joints, junctions and general areas subject to movement. High recovery rate. preventing pipe from contact with the outer sleeve. 5 m ~ 2. 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. Add to Cart. B. Thick. Remove any masking tape immediately after applying Paraseal. Bond Breaker for extra protection. Joints subjected to hydrostatic pressure must have a solid formed base to provide sealant support. In joints up to 0. Types of bond breakers. prevent bond. 94. Back-up Rod: A type of sealant backing. Silicone sealants are used to seal joints in a wide variety of construction applications. 800. Approval of the backer rod or bond breaker tape shall be made by the Engineer. See table below. 2. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to. 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. formed joints a polyethylene bond breaker tape must be used to prevent sealant from adhering to the back face of the joint. Joint Width E. 1. 1/4” deep (6mm X 6mm). Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. We also provide all type of joint sealants. 2:1 width to. HBR acts as a bond breaker to allow joint movement without undue stress to the sealant. 421. Without bond breakers, the joint sealer tears apart from movement. Backer rod Sealant. Add to Cart. b. Ideally this should be accomplished by mechanical means. Bastion 100mm x. JOINT PROTECTION. The depth of the sealant joint should be ½ the width of the joint. The back rod and breaker tape shall be installed in the saw-cut joint to prevent the joint sealant from. No bond or adverse reaction shall occur between the bond breaker and the sealant. DIVISION 7 2 Joint Sealant 07 92 00Joints without Bond Breaker– three sided adhesion causes joint failure. Silicone WP Plus • Neutral cure, anti-fungal formulation. in optimal conditions, the depth of the sealant should be ½ the width of the joint. Cork or rigid non-ASTM C1193 – Standard Guide for Use of Joint Sealants. Apply bead of silicone or urethane sealant around the drain flange at the drain throat to join NA 1740 to the drain assembly. 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. This is to ensure a tight compressed fit. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. bond breaker tape sealant. There are many different types of backer . Use CRL Bond Breaker Tape to create proper two-way sealant bonds. It’s important to match the sealant contact depth to the type of joints. For example, joints in concrete sidewalks can be subject to concentrated loads due to high heels. Effective Date . Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. Priming is not usually necessary. Closed cell backer rod should be 25 % larger than joint width; do not compress more than 40%. 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. 1. 6144. Bastion 300ml Bond Breaker Joint Sealant (0) $9. More joint movement can be accommodated in a thin bead of sealant than in a thick bead. Contact CRL Customer Service. It cures under the influence of atmospheric moisture to form an elastomeric material with adhesive properties, in some cases without the need for priming of the substrate. They also keep the contents of tanks, pipes, canals, and dams in. 3 Primer Application 8 4. The cured. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-upNeutral cure silicone used as a bond breaker. It is widely utilised as a gap filler and/or bond breaker for wall joints and floor, as a filling. Add to cart. Type 3 bond breakers are effective where membrane application occurs either below, or on top of the screed. Eliminates the need for bond breaker sealants. Proper design is 2:1 width to depth ratio. 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. 932-1. Bond Breakers: A type of sealant backing. 5 Bond Breaker Rod: The bond breaker rod shall be a closed cell, expanded polyethylene foam rod of the size and dimensions shown in the Plans. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. 3 m ConsumptionA low-modulus plastic sealant, such as silicone, may have a ratio of 1:3. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. Backer Rod is an i ntegr al component of sealant joints, it provides three main functions that allow the sealant joint to perform. C. 3 Low Modulus Silicone Sealant: 932. Bond-Breaker Tape: Polyethylene tape or other plastic tape. A high-performance Bond Breaker Joint Sealant to. When the joints have been filled with fiber filled board, this must be raked back to the required depth. The maximum depth of any sealant shall be 1/2” (13mm). sides of the sealant. 000. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Expansion/Contraction: 50% (±25%) as per ASTM C719. 1 EXECUTING EQUIPMENT 3. Product code: 305534. g. C. June 15, 2021 . The maximum recommended joint width is 1. All joint facings must possess an open surface texture. Backer rods should be closed-cell polyethylene foam. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating movement. Without bond breakers, the joint sealer tears apart from. Recommended Backing MaterialsThe bond breaker tape shall be approximately 1/8 inch wider than the nominal width of the joint and shall not bond to the joint sealant. 3. Visit your local store for the widest range of products. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Here, we’re going to. 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. 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. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. In joints where polystyrene or bitumen impregnated fillers have been used, Abelflex is ideal as a bond-breaker. Follow the manufacturer’s instructions. Also avoid applying sealants in ambient conditions where threat of rain is imminent. 4. 3. All joint facings must possess an open surface texture with all curing compounds and sealers removed. Industry standard is 5-year warranty for urethanes and horizontal silicones; 20 years for vertical silicones. 5. 3 Hot rolled acc. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. Tool as required, although minimum tooling is necessary. In all joints a bond breaker must be used to prevent sealant contact with the back of the joint, and hence allow optimum performance. 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. For expansion joints, sealant manufacturers recommend that the contact depth should be equal to one-half the sealant joint width. No bond breaker material; therefore the joint will not. The bond breaker may be incorporated in the backup material. Add to Cart. Publications listed below form a part of this specification to extent referenced. 3. Often necessary because of the sealant in-compatibility with these forms of fillers. Visit your local store for the widest range of products. may be required to remove surface PRODUCT DESCRIPTION QUIKRETE Advanced Polymer Concrete Crack Sealant is a superior, textured, one-component, permanently flexible, multipurpose sealant. Maintain Section format, including the UH master spec designation and version date in the center columns of the header and footer. EXPANSION AND CONTROL JOINTS Sealant (depth is 1/2 width). 5” use a 2:1 width to depth ratio to accommodate movement. 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. compounds, tilt up bond breakers or other contaminants 1 Application: 3. 2 of AS3740, applicable to the Class of Membrane. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. The cured sealant. 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. Bond Breakers or masking tape Bond breakers prevent three-sided adhesion of the sealant (i. 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. rods, typically composed of polyethylene, Figure 1 – Double backer rod and sealant joint section. Sikasil® is Sika’s line of professional-grade silicone sealants that are ideal for applications including glass-to-glass and glass-to-metal surfaces. 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. Mastic is a form of sealant or adhesive used to fill the joints or as a bond for different materials and gaps. 7 TRAFFIC CONTROL PART 2 PRODUCTS 2. If this product will be used. Stays resilient within a wide temperature range. 99. 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. Sealant backer material is available in three types: Type I, Type II, and Type III, and serves one or more of the following purposes: (1) limits the amount and depth of sealant applied to a joint, (2) acts as a barrier interface to prevent backside adhesion (bondbreaker), and (3) provides a form to assist the sealant in developing a shape factor. other potential bond breakers. surface conditioner or primer, type of sealant backing material, bond-breaker, and joint ®ller, among others. Hybrid MS Polyurethane Sealant. custom crochet animals / leyland cypress hedge / bond breaker tape sealant. Excellent adhesion; Flexible joint sealant; Single component; BITUMASTIC GP. Compressible Joint Sealant : Install compressible sealant in joint to depth recommended by manufacturer. 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. The depth of the sealant should be 1/2 the width of the joint. - Requires no additional bond breaker. Color: Clear: EUCO 700: Semi-Rigid Joint Filler quantity . the joint opening at standard temperature. 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). Tool as required, although minimum tooling is necessary. 3. 7. Bond Breakers. Sikasil®-728 SL can be used on. The ratio of joint width of sealant to depth should be 2:1. This type of tape is made of polyolefin, or Teflon, and. SECTION 07920 – JOINT SEALANTS PART 1 GENERAL 1. Sikaflex-11 FC Sikaflex®-11 FC is a one part, moisture curing, elastic joint sealant and multipurpose adhesive based on. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by James Hardie. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. Suitable Surfaces & Substrates. Semi-rigid joint fillers are materials that serve two main purposes. For use on horizontal substrates. Install bond breaker tape over substrates when sealant backings are not used. The joints should be sized so maximum extension and compression does not exceed +100 and -50 percent respectively. Not Recommended for Backing Material. Laurence Co. These ensure that: adhesion is between the substrates only (no perpendicular stress.