Closed cell backer rod should be 25 % larger than. 1-11). External walling and cladding Expandafoam Closed Cell is used as a backing strip forMasterSeal NP 2 sealant. Mechanical methods, such as wire brushes, grinders, etc. It is important for the sealant to bond to joints in. General purpose polyutherane exterior grade joint sealant. Let us know what you think! If you. G. Backer rod Sealant. Find out more. More joint movement can be accommodated in a thin bead of sealant than in a thick bead. 932-1. Proper design is 2:1 width to depth ratio. specified. sticking to the bottom of the joint and then tearing when the joint opens. g. When you’re in need, we’re here to help!Features. Bond breaker tapes are available in following width:15mm, 20mm, 25mm, 50mm. 6144. Contact CRL Customer Service. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. 2:1 width to. 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. Laurence Co. 5”. 3 BOND BREAKERS 2. 2. C. 3 D (D=Conc. BondThe sealant should bond only to the substrates that will be moving. Add to cart. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Bond Breaker Tape: Polymer tape compatible with joint sealant materials and recommended by sealant manufacturer. It’s ideal for sealing expansion and construction joints in vertical and horizontal applications. • Apply a 150mm wide x 1mm WFT strip of Vulkem NEM un-reinforced. Innovative detailing system designed for waterproofing and sealing all types of joints, junctions, and general areas subject to. A roughened surface will also enhance bond. Install bond breaker tape or backer rod to prevent bond at base of joint. With a. 3 BOND BREAKERS 2. Depth = ½ Width. Add to Cart. Bond Breakers: A type of sealant backing. C. A. D. EXAMINATION. Special Order. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. D. • For a joint size larger than 1 inch, the depth should be kept to between . Vetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. 2:1 width to. Joint Sealant: Mildew-Resistant, Single-Component, nonsag, acid-curing silicone joint sealant, Greenguard certified White Lightning All Purpose Silicone Sealant. 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. Submit manufacturer's detailed technical data for materials, fabrication, and installation, including catalog cuts of bond breakers, backer rods, and accessories. 2 Joint slot surface preparation 5. 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. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. Install bond breaker tape or backer rod to prevent bond at base of joint. cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified i. Recommended for all sealant applications with the exception of applications requiring rapid curing from backside. Master Wall® System Latex Sealant as Bond the joint shall be mechanically cleaned by water or sand blasting. 1 "Min. construction or contraction joints a bond breaker tape or back-up strip should be used. assist cold-applied sealants in developing the proper shape factor to prolong the sealant service life. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. 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. ) 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. Priming All joint surfaces must be. For most effective results, dura. All bond breaker rods installed shall be covered by a sealant at the end of2. 3 Hot rolled acc. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. Do not prime or puncture the backer rod. Using braided sealant backing to compensate for a joint opening that is too large for the backing material. It is important for the sealant to bond to joints in. 2 mm) thick, and has high adhesion to steel or other structural metals. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. 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. B. A rigid joint filler or sealant backing in joints that will experience movement. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. EN 13108-6 8. Acceptable types of bond breakers shall include: (a)Closed cell expanded polyethylene foam backer rod. Where a particularly neat finish is required, mask. Bond breaker systems can be optimized by installing foam backing rod in the junctions, on top of the cured membrane, before laying the screed. Bastion 100mm x 10m Bond Breaker Waterproofing Joint Band (1) $25. Apply the right amount of sealant. MasterSeal NP 2 sealant. 000. 03 APPLICATION A. High strength while remaining elastic. 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. 99. 1. 5With a bond breaker tape in between the joint sealant and joint filler, free movement can be achieved. Apply the masking tape on the edges of the both the joint faces. Masking: Mask adjacent surfaces to prevent staining or damage by contact with sealant or primer. Consisting of a unique grade of rubber, the Bond Breaker Waterproofing Joint. NOTE 1—This legend applies to Figs. To prevent three-point adhesion use a backer rod or bond breaker tape to ensure proper joint movement and a long lasting weatherproof seal. $9. 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. com. The 2” sealant tail shall be pulled at an angle of 90° or more from the wall face until the. Always use bond breaker tape or closed cell backer rod for support on horizontal joints. For window perimeter joints, such as fillet beads or angle beads around windows and doors, the minimum. compounds, tilt up bond breakers or other contaminants 1 Application: 3. Apply joint sealants in uniform, continuous ribbons without gaps or air pockets, with complete "wetting" of joint bondstructure. It’s important to match the sealant contact depth to the type of joints. Product Downloads. Economic option for Joint Sealant in Waterproofing applications. The shape of the sealant bead is also important for each application- see Figure 1. contraction joints a bond breaker tape or back-up strip should be used. Essential to any sealant application is a backer rod or bond breaker tape. Remains flexible with expansion and contraction of building component, based on good joint design. It is important for the sealant to bond to joints in. These sealants cure upon exposure to moisture in the air to form aThis product acts as a powerful bond breaker in the prevention of bottom-side sealant adhesion. Where hydrostatic pressures are present, compression should be to approximately 40% of its original size. 46. The type of bond breaker required under the above mentioned. Therefore, sealing joints must be considered maintenance parts which require a periodical inspection. Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. prevent bond. 421. Primary use shall be with new joint construction and remedial joint. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). Suitable Surfaces & Substrates. In acoustical applications, apply 1/4" (6 mm) minimum. 4 mm), do not exceed 1/2 inch (13 mm) in depth. 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. Follow the manufacturer’s instructions. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. Back-up Rod: A type of sealant backing. Bond. Compare. 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. Thioflex 600 Gun Grade is a two-component joint sealant, based on a liquid polysulphide polymer which, when mixed and applied, cures to form a tough, rubber-like seal. The ideal working joint depth is 1/4" (6 mm). Flexible Joint Sealant. To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint filler. See full list on ncma. For construction or contraction joints a bond breaker tape or back-up strip should be used. Elastic reinforcement essential for the critical movement areas. Size: 5 Metre x 100mm Roll. horizontal hourglass shape). 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. 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. 6 ENVIRONMENTAL REQUIREMENTS 1. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. Purchase Bastion 300ml Bond Breaker Joint Sealant. G. Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. Tough, elastic, rubber-like seal. • Backer rods, joint fillers or bond breakers must be tight to the sides of the joint to prevent loss of sealant through the bottom. typically up to 25% larger) than the actual width of the joint to provide a friction fitfrom the driving surface and should show necessary joint fill-ers, sealant backing, bond breakers, and bonding surfaces. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. Latex sealant used with silicone sealant to provide bond breaker for use where minimal depth is available. Most substrates only require priming if testing indicates a need. In addition, DOWSIL™ 890-SL Silicone Joint Sealant can be used on asphalt. This condition requires the use of a dense backer rod to support and prevent a sealant failure, in particular losing its adhesion and sinking into the joint. SYSTEM DESCRIPTION . Hardie™ Joint Sealant 300ml Cartridge. 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. Flexible Joint Sealant. Install bond breaker tape or backer rod to prevent bond at base of joint. Bond Breaking. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by James Hardie. For construction or contraction joints, use a bond breaker tape or back-up strip. • Excellent substrate adhesion. The number of joints and the joint width should be designed for a maximum of ± 35% joint movement from the initial joint width. 5 m ~ 4. Bastion Bond Breaker to be used as a flexible bond. Although not shown, vents can be installed in the vertical head joints at the top of masonry walls to provide natural convective air flow within the cavity to facilitate. The bond breaker tape stops the sealant from adhering to the surfaces and prevents three-sided adhesion. It is important for the sealant to bond to joints in two places so it can expand properly. Bond breaker tapes are obtainable in the mentioned width:15 mm,. 94. 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). Thick. Bastion Bond Breaker Joint 100mm either side of joint Wash down with appropriate Sealant should be applied and in the case of a cleaner and flush with fresh to produce 12mm x 12mm designated shower area the water and allow to dry Loose minimum coved bead over total wall area 100mm rose or damaged membranes change of plane joints . rods, typically composed of polyethylene, Figure 1 – Double backer rod and sealant joint section. Silicone sealants are able to bond to most surfaces, particularly porous substrates such as concrete and masonry. Features. Type 2A Sealant: One-part acrylic or elastomeric sealant for sealing small joints; PTI 200 or Tremco Small Joint Sealant, Pecora AC-20. Excellent adhesion; Flexible joint sealant; Single compone; Footer Menu. Self-adhesive, non -woven, polyester fabric for strengthening membranes. - Will not discolor sealants or substrates. Dunlop 1L Multipurpose Water Based Primer (0) $25. Sealant backing. - Gives proper shape to sealant for effective function. 94. Compare. Unlike AIFB joint filler products, Nomaflex is: 1. This type of tape is made of polyolefin, or Teflon, and. 1. The cured sealant. 3 D (D=Conc. Rp435. Features & Benefits. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. This ensures the correct and uniform sealant depth along the whole length of the joint. A bond breaker must be installed at areas subject to movement, wall/wall junction, wall/floor junction, sheet joints and seams, penetrations and. Publications listed below form a part of this specification to extent referenced. Thick. PART 3 - EXECUTION. Application: All joints should be masked to ensure a neat appearance and prevent sealant applied outside the joint confines from imparting a discoloration to the substrate. 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. PRIMING3. ® cord must be inserted into the joint to a depth that will accommodate the depth of sealant specified. E. Bond Breakers. To ensure free movement in the joint, bond breaker tape is placed between the joint sealant and joint filler. D. For example, joints in concrete sidewalks can be subject to concentrated loads due to high heels. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease and any other contaminants. 0-6. 4 BACKSTOPS 2. Hotwire 1200W 8m² Heating Mat (0) $1008. You can simply use a bond breaking sealant or preformed bond breaking corner, tape and pipe sleeves. This is when the sealant is adhered to the bottom and both sides of the joint. bead. 7 We r eh NA 1740 ends on any penetration, apply a bead of silicone or urethane sealant. a. Compare. This is to ensure a tight compressed fit. Posted By : / hollywood beach marriott beach chairs /; Under :nars air matte blush torchnars air matte blush torchCorrect joint depth can be established by inserting polyethylene based Sika® Backer Materia,glass rod,etcl tightly into the joint. Use bond breaker tape over the backer material. Add to Cart. Backer rod Sealant. " The sealant should bond only to the substrates that will be moving. Elastomeric sealants should not adhere to the base of a joint. Install approved backer rod or bond breaker tape in all joints subject to thermal movement to prevent three-sided bonding and to set the depth of the sealant at a maximum of 1/2 in. 3 Primer Application 8 4. Long term sealing protection at volatile areas. D. 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. joint movement can be accommodated in a thin bead of sealant than in a thick bead. DOWSIL™ 123 Silicone Seal H. b. 3 mm). Self Adhesive Butynol Tape that is the ultimate in bond breaking. 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 ,. Terminal joint, type HMA, shall consist of a sleeper slab, concrete lug, polyethylene bond breaker, and pre-compressed foam joint. Not Recommended for Backing Material. E. joint sealing or in flooring applications such as saw cuts jointing. 99. e. 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. Sikaflex® PRO is a 1-component, moisture-curing, elastic joint sealant. Compare. 3 m ConsumptionA low-modulus plastic sealant, such as silicone, may have a ratio of 1:3. 7 (c) in the Standard doesn’t require a bond breaker at all. Figure 4 shows a section of sealant removed from a failed joint. Tool as required, although minimum tooling is necessary. ASTM D1056 – Standard Specification for Flexible Cellular Materials Sponge or Expanded Rubber. Sealants will fail in cohesion (split) if bonded on. Visit your local store for the widest range of products. No bond or adverse reaction shall occur between the bond2. Sealants - the Professional's Guide. Material shall act as a bond breaker and shall be circular in cross section. • APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. 2 mm) thick, and has high adhesion to steel or other structural metals. Protect surfaces with masking tape. 2 mm) thick, and has high adhesion to steel or other structural metals. Products. 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. The ratio of joint width toVetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. Customer Service: 1. USES Sika® BondBreaker W is used for "match-cast", "tilt-up" and "tilt-slab" constructions. 4. Typical expansion joint Thioflex 600 Pouring Grade Bond Breaker Tape Recess Hydrocorr Typical construction joint Thioflex 600 Pouring Grade Bond Breaker Tape. 3. One step in the preparation of a mastic sealant joint is filling or backing out the gap prior to mastic sealant application. Bond Breakers in Waterproofing Systems. 2. custom crochet animals / leyland cypress hedge / bond breaker tape sealant. Applying the waterproofing membrane is the final step. Featuring the central “Flexible Zone” the Aquaband can accommodate movement in longitudinal, lateral and transverse directions enabling high elongation,. 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) sealing slot before positioning a bond breaker. 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. 1 Introduction. Visit your local store for the widest range of products. 75 . Masking tape When the sealant is applied in the joints, the sides of joint may be damaged by spreading of sealant. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. 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. 2. Semi-rigid joint fillers. The round profile assists in providing the correct joint sealant profile allowing optimum movement. Commonly. 2. 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. 800. Note: Not recommended for fire applications. Cork or rigid non-impregnated cane-fiber joint fillers are suitable. Sikaflex 2C EZ. D. Clean all surfaces. 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. When a bond. JOINT FILLERS & SEALANTS Master Format #: 07 92 16 PACKAGING 10 gal (37. Product Data Sheet Show all documents. other potential bond breakers. Neutral cure silicone used as a bond breaker. Sealant Backing C. Dimension C must be at least 6 mm (1/4”). All bond breaker rods installed shall be covered by a sealant at the end of each work day. prevent bond. The use of a bond breaker is not required in expansion joints containing Fosroc Hydrocell or Expancell cellular polyethylene expansion joint fillers. 11) Bedding The application of mastic to fill gaps or voids. The sealant thickness and bond thickness shall be measured and recorded. 2 PVC 2. contraction to maximize accommodation of movement. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Used in joint sealing applications, Bond Breaker Tape stops. Allow the primer to dry as per the specification. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. Fast cure (FC) polyurethanes or Modified Silyl terminated sealants (MS) may. 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. All joint facings must possess an open surface texture with all curing compounds and sealers removed. Closed cell backer rod should be about 1⁄ 8" (3 mm) larger in diameter than the width of the joint to allow for compression. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. 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. Add to Cart. Bond Breaker. stress at the sealant bond line, they are more susceptible to chemical damage, while high modulus sealants (Class 1225) -. A further 2 full coats, at 900bond free, thereby allowing the sealant to adhere only to the sides of the joint. THE STANDARD SPECIFICATIONS, SERIES 2015, ARE AMENDED BY THE FOLLOWING MODIFICATIONS AND ADDITIONS. JOINT DIMENSIONS Joint size should not exceed 1/2" wide x 1/2" deep. JOINT PROTECTION. Gripset BRW Fillet: A preformed butyl rubber profile designed for use at wall/floor junctions as an integral part of the Gripset BRW Sheet waterproofing system. and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance. (See Figure 1, page 27. substrate. In a properly designed structurally glazed joint, the sealant is strong enough to support glass and other panel materials under high wind load. 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. Sikaflex-1a can be used in green and damp concrete applications. All movement joints shall be recessed 2 mm below flush so that during joint contraction the sealant does not protrude above the surface and so become susceptible to damage from traffic. construction or contraction joints polyethylene bond breaker tape or back-up strip must be used. used. In instances where the joint configuration will not permit a backer rod it is recommended that the use of an alternative bond breaker be used. Add to Cart. Tool as required, although minimum tooling is necessary. 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. They also keep the contents of tanks, pipes, canals, and dams in. In shallow joints self adhesive polyethylene tape can be used. The back rod and breaker tape shall be installed in the saw-cut joint to prevent the joint sealant from. Use bond breakers that are chemically inert and resistant to oils, gasoline, solvents, and primer, if one is required. 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. Because many backup materials act as bond breakers, a separate bond breaker material is not always. Suitable substrates for Sikasil®-728 SL are concrete, steel, glass, aluminium, masonry, asphalt, brick, natural stone and others. Minimum depthA. Three face adhesion can be prevented by using bond breakers. Sika® Duoflex NS is a two component, non-sag, premium quality polysulfide sealant, specifically designed for vertical and overhead surfaces. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. 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. 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. Find Bastion 300ml Bond Breaker Joint Sealant at Bunnings.