• is impacted by sealant joint MOC (including the substrate Adhesion: Sealant joint failures in the biomedical facility environment are frequently due to. minimum 12mm x 12mm coved joint. Closed cell backer rod should be 25 % larger than joint width; do not compress more than 40%. If a solid formed joint base already exists as a result of the construction process it must be covered with a bond breaker tape. Approval of the backer rod or bond breaker tape shall be made by the Engineer. Sikaflex® PRO is a 1-component, moisture-curing, elastic joint sealant. Color: Clear: EUCO 700: Semi-Rigid Joint Filler quantity . 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 adhesion. The maximum depth is 1/2 inch (13 mm) and the minimum is 3/8 inch (10 mm). The ratio of joint width toVetoflex PU780 is one part, moisture curing, low modulus elastomeric joint sealant based on polyurethane. Bond breaker tape: primarily a self-adhesive polyethylene or teflon material. Proper design is 2:1 width to depth ratio. Consult mm) and width is 1/4 in. 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’*. Hybrid MS Polyurethane Sealant. 6 m ~ 1. PART 3 - EXECUTION 3. joint sealant to the recommended thickness. 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 ,. 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. Dimension C must be at least 6 mm (1/4”). The use of a bond breaker prevents undesirable three-sided adhesion. 800. Bastion 300ml Bond Breaker Joint Sealant (0) $9. 6144. 5 m ~ 2. A b acker rod is an integral component of sealant joints, it provides three main functions that allow the sealant joint to perform. • For joints subject to puncture by high heels or umbrella points, a stiffer or higher density backup material is required. 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. There is no reason why the membrane can’t stick to the bond breaker, provided the bond breaker material is capable of accommodating movement. 55. (Class 1225) - are generally more resistant to such damage. Add to Cart. Bond Breaker or Backer Rod Installation: Install bond breaker or backer rod as specified to regulate depth of sealant. There are two important factors to remember when applying sealant. When a bond. joint width to sealant depth should be about 2:1. Sikaflex® Concrete Fix is a moisture-cured, one-part, non-sag and elastomeric polyurethane sealant. Add to Cart. Tool as required to properly fill joints and force sealant against joint interfaces, maximizing bond. 2:1 width to. Compatible with Davco K10. 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. Customer Service: 1. - Accepts joint movement. Features. Open cell polyurethane foam or closed cell polyethyleneSilicone WP Plus sealant is available in translucent, grey and white and is also suitable for use as a finishing and roof & gutter sealant. e. Rp435. 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). Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. METHOD OF APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking. is a cus tom extrusion or mold made of higher durometer silicone rubber used in custom applications. 5m / 6. In shallow joints self-adhesive polyethylene tape can be used. Use bond breaker tape over the backer material. 2 PRIMERS 2. a bond breaker between the casting slab and the tilt-up or lift-slab panel. To properly install sealant, you need to provide a joint between two materials. Publications listed below form a part of this specification to extent referenced. Sikaflex-1a can be used in green and damp concrete applications. Pre-Installation Conference—Many specifications re-quire that a pre-installation conference be held among the parties involved in the joint sealant construction, includinggetter. Suitable as a back-up filler for most liquid sealants Ideal for stopping contaminants such as soil entering into expansion slots and joints. 1. • Three-sided adhesion limits the amount of movement that a joint can accept before failing. These ensure that: adhesion is between the substrates only (no perpendicular stress from the back of the joint to weaken the focus on the connection between the substrates) the sealant is supported on the back side as tooling. When cured it forms a tough, flexible seal and bond, capable of cyclic expansion and compression movement. Compare. 1 DESCRIPTION: A. Compare. G. Follow the manufacturer’s instructions. A further 2 full coats, at 900bond free, thereby allowing the sealant to adhere only to the sides of the joint. Thick. CHARACTERISTICS / ADVANTAGES Easy application by brush or sprayer Non - Hazardous, Non Toxic Non - Staining Customer Service: 1. From 12 mm wide to 24 mm wide the depth should be 12 mm,. Pour sealant into joint slot in one direction and allow sealant to flow and level out as necessary. Widths from 1" (25 mm) to 12" (300 mm) and custom shapes are available in a wide variety of colors and textures. sound substrate capable of developing optimum bond with joint sealants. 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). 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. 2. Add to Cart. 2 Non-porous substrates 8 4. contraction to maximize accommodation of movement. Backer rod Sealant. Elastomeric sealants should not adhere to the base of a joint. See full list on ncma. 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. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. 2 mm) thick, and has high adhesion to steel or other structural metals. Features. provides a non-stick surface to prevent sealant 3-sided adhesion. This repair method has the advantage of avoiding costly sealant removal, but can only be used if. Consisting of a unique grade of rubber, the Bondbreaker Waterproofing. 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. Fastflex is an ideal choice for concrete. 02. The use of a bond breaker is not required in expansion joints containing Fosroc Hydrocell or Expancell cellular polyethylene expansion joint fillers. Discount Sealants, Caulks and Adhesives, Adhesive Sealants, NP1, SL1, Expansion Joint Sealants, Backer Rod, RV sealants, Glass Sealants, Deck and pool Sealants. The number of joints and the joint width should be designed for a maximum of ± 35% joint movement from the initial joint width. 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. They are also used over movement joints. • Excessive sealant depth will result in. STEP FOUR: FILLING THE JOINT BACKING MATERIAL: closed cell, or bicellular backer rods or bond breakerA bond breaker is a separator substance applied in between adjoining solid surfaces to ensure that there is no adhesive molecular bond between the surfaces. Sealing joints must be accessible and repairable. Features Snapshot. 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 . specified. 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. 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. - Substrate gaps at drainage outlets, flashings,. Joint not properly tooled. 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. Find out more. The cured. 1 "Min. When sealing joints and gaps, avoid three-sided adhesion by using bond breaker tape and/or backer rod. 2 PVC 2. BOND BREAKER TAPE CONCRETE SEALANT BACKER ROD (COMPRESSED) COMPRESSION FILLER The diagrams shown below depict the relationship between joint design and the maximum strain (S) on the parabolic surface of a Sikaflex® joint sealant. 3. Provide bond breaker (tape or rod). To facilitate free movement, it can be achieved by adding bond breaker tape in between the joint sealant and joint. Dunlop 1L Multipurpose Water Based Primer (0) $25. polyethylene bond breaker tape to prevent three-sided adhesion. Closed cell backer rod should be 25 % larger than. Packaging: Grey 600ml. Visit your local store for the widest range of products. Apply bead of silicone or urethane sealant around the drain flange at the drain throat to join NA 1740 to the drain assembly. E. Bastion 100mm x 50M Bond Breaker Joint Band is a waterproof reinforcing and bond breaking band that is used as wall/floor junctions to protect the most critical areas of the waterproofing application. The 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. Besides shape and size, an important attribute to consider is the. In deeper joints, a polyethylene backer rod must be used to act as the bond breaker, and at the same time set the joint depth and support the sealant. Apply moderate pressure to break seal inside the nozzle. Sika® Foam Backer Rod Closed Cell is manufactured from closed cell, low density, polyethylene foam. Bond breaker systems can be optimized by installing foam backing rod in the junctions, on top of the cured membrane, before laying the screed. BondThe sealant should bond only to the substrates that will be moving. Terminal joint, type HMA, shall consist of a sleeper slab, concrete lug, polyethylene bond breaker, and pre-compressed foam joint. Features & Benefits . 2. Fast cure (FC) polyurethanes or Modified Silyl terminated sealants (MS) may. the joint opening at standard temperature. SUBMITTALS. Applying the waterproofing membrane is the final step. E. 99. Apply sealant using consistent, positive pressure to force sealant into the joint. 5. Commonly. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. Sikaflex 2C EZ. Bond breaker tape is black polypropylene tape that provides an option to break the bond of the sealant between the joints between the surfaces of the concrete. Sealant for concrete and masonry facades. 3. Stress relaxation to prevent splitting at edges. For example, joints in concrete sidewalks can be subject to concentrated loads due to high heels. 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. Note: do NOT use masking tape, electrical insulation tape or ‘Gafa’ tape as a bond breaker tape. 1. Suitable back-up material, duracord, must be used to adjust sealant depth in the joint to comply with the joint geometry cited in the table. 11) Bedding The application of mastic to fill gaps or voids. An approximate rule of thumb for joints in pre-cast concrete joint height (in metres) up to 2. Control the depth of the sealant by using a polyethylene backer rod that is 25% larger than the joint opening at standard temperature. 5”. substrate. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. Collect Flybuys points when you shop in-store or online! *Some exclusions apply. 94. Bond breaker tape stops the sealant from adhering to the surfaces and prevents the three-sided adhesion. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. , 11 Saw Cut Or Formed Joint Compression Seal 16" Preformed Elastomeric 9 Not Required For Construction Joints. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. 1. Hotwire 1200W 8m² Heating Mat (0) $1008. Dimension A or B less than 6 mm (1/4”). Click here to access Bastion 600mL Bond Breaker and MS Joint Sealant – User Guide. Features Snapshot. Tool sealant to ensure full contact with joint walls and remove air. 6144. formed joints a polyethylene bond breaker tape must be used to prevent sealant from adhering to the back face of the joint. 01 SECTION INCLUDES. 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. enhance bond. • Suitable for use as a waterproofing membrane bond breaker or as a highly durable finishing sealant. The depth of the sealant joint should be ½ the width of the joint. Three-sided adhesion can be eliminated by the addition of a bond breaker tape or backer rod. Simply raking debris out of the joint with hand tools is not sufficient. This is when the sealant improperly adhereds to the bottom and sides of the joint, restricting movement. 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. It is suitable for movement and connection joints for indoor and outdoor applications. Not Recommended for Backing Material. Proper joint design is 2:1 width to depth ra-tio. The product should be used where appearance. Priming is typically not necessary. The sealant must bond to only two surfaces such as. Add to Cart. substances such as over bond breakers or incorporating other reinforcement. 5”use a 1:1 width to depth ratio and joints wider than . Home DIY; Trade; Waterproofing. Bond Breaker Tape stops joint sealants from adhering to surfaces and preventing “3-sided adhesion” which limits the ability of the sealant to accommodate movement. 1/4” deep (6mm X 6mm). in optimal conditions, the depth of the sealant should be ½ the width of the joint. Add to Cart. Joint Sealant 300ml Cartridge| Exterior polyurethane joint sealant, general purpose by James Hardie. Add to Cart. Pavt. 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. 2. For most effective results, dura. This question is taken from book named – A Self Learning Manual – Mastering. 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. Easy Seal Bond Breaker is a waterproof sealing band that is used at. Bastion 100mm x 50m Waterproof Reinforcing Fabric (0) $19. Pavt. The bond breaker may be incorporated in the backup material. Backer rods are excellent at controlling the amount of sealant used or the depth of the sealant in a gap. org Bi-cellular sealant backing: composed of both open and closed cell polyethylene or polyolefin foam with a surface skin. The shape of the sealant bead is also important for each application- see Figure 1. 08 APPLICABLE PUBLICATIONS: A. Cork or rigid non-ASTM C1193 – Standard Guide for Use of Joint Sealants. Thick. Suitable for most water-based paints. Minimum depthA. Sika® Duoflex NS is a two component, non-sag, premium quality polysulfide sealant, specifically designed for vertical and overhead surfaces. Use CRL Bond Breaker Tape to create proper two-way sealant bonds. 5 Priming 4. The sealant thickness and bond thickness shall be measured and recorded. , Inc. in deep joints, the sealant depth must be controlled by closed cell backer rod or soft backer rod. Because many backup materials act as bond breakers, a separate bond breaker ma-terial is not always required. DOWSIL™ FC Parking Structure Sealant is 3 inches. 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. MasterSeal NP 2 sealant. Sealing joints must be accessible and repairable. Lightweight – Nomaflex weighs 75%. Use bond breaker tape over the backer material. Minimum depth is 6 mm and width is 6 mm. 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. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-up strips. Ideally this should be accomplished by mechanical means. The backer rod most importantly acts as a bond breaker, preventing what is commonly referred to as three sided adhesion. • Wider joints (minimum of 1/4" width): as wider joints can accommodate more movement than narrow joints. 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. Where hydrostatic pressure exists, only bond breaking tapes must be used, notBond Breakers Bond breakers prevent three-sided adhesion of the seal-ant (i. Also avoid applying sealants inBond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for. 8 WARRANTY: A. PART 3 - EXECUTION 3. - Will not discolor sealants or substrates. Approved bondbreaker system conforming to AS 3740; Time saving simplified installation • Eliminates need for sealant bondbreakers and tapesContractor Polyurethane Sealant Permanently flexible with ± 25% movement capability. Bond Breaker Black Polyethelene Tape. 3. 46. Sika Sikaflex 1A Polyurethane Elastomeric Joint Sealant And Adhesive - 20 Ounce Sausage. • For use as a bond breaker or general purpose construction sealant. 2 Bond Breaking Tapes PART 3 EXECUTION 3. 99. If the sealant bonds in the wrong areas, it. 4. 10 WARRANTY SPEC WRITER NOTES: 1. For construction or contraction joints a bond breaker tape or back-up strip should be used. 94. Maintain Section format, including the UH master spec designation and version date in the center columns of the header and footer. These ensure that: adhesion is between the substrates only (no perpendicular stress. Allow for proper sealant tooling. Weep holes or open head joints should be located a maximum of 32 in. XL or Expandafoam. 2. Add to Cart. 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. C. Special Order. Bond breakers prevent three-sided adhesion of the sealant (i. $9. Warranty. 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. Install bond-breaker tape behind sealants where sealant backings are not used between sealantsBond breaker tape: primarily a self-adhesive polyethylene or teflon material. This clear, tough plastic tape with a clear polyethylene adhesive backing is eight mils (. Install bond breaker tape or backer rod to prevent bond at base of joint. Des Moines County . Pavt. $9. They also keep the contents of tanks, pipes, canals, and dams in. Back-up Rod: A type of sealant backing. Bostik’s recommended sealants • Bond breaker is to be installed over the coat where a bond breaker joint is required, e. EXAMINATION. PAGE 2. 5m / 3. with insufficient space in the joints to accommodate backer rod in addition to proper sealant thickness and proper sealant recess. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Bolt down the collar to the drain flange. Emer-Proof Joint Seal Tape performs as the waterproofing system bond breaker, avoiding the use of sealant beads and backing rod bond breaker methods. 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. WPA MS is a single component, moisture cured silane modified hybrid sealant free of solvents and isocyanates, with a very low VOC content. Suitable for use with Bastion waterproofing membranes. • 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. 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. Available in a 300ml cartridge and as a 600ml sausage. Installation of Sealants: Install sealants by proven techniques that result in sealants directly contacting and fully wetting joint substrates, completely. It’s important to match the sealant contact depth to the type of joints. 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. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond. Primers may be applied to the sides of joints to provide a good bond between them. - Requires no additional bond breaker. In acoustical applications, apply 1/4" (6 mm) minimum. The use of a bond breaker prevents undesirable three-sided adhesion. 5 m ~ 1. Elastic reinforcement essential for the critical movement areas. Finish Coat F. , measured at the center point of the joint width. a. Types of bond breakers. All joint facings must possess an open surface texture with all curing compounds and sealers removed. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. 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 recovery 💪 Clean joint surface, free from dust and other contaminants. )SECTION 07 9200 - JOINT SEALANTS. A WATER REPELLENT, WAX BASED BOND BREAKER MATERIAL DESCRIPTION Sika® BondBreaker W is a water repellent, wax based bond breaker material. Our Jeff Schmucker created a visual to explain the importance of using bond breaker tape in secondary containment systems. Add to Cart. As the sealant joint width becomes larger than 1", the depth should be held to approximately 3/8". Apply sealant into joint slot in one direction and allow sealant to flow and level out as ne-cessary. 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). PART 3 - EXECUTION. Ensure that the air temperature during placement is at least 40 ºF (4 ºC). after the sealant is cured, as it is extremely difficult to apply such materials onto the surface without contaminating the joints. may be required to remove surface PRODUCT DESCRIPTION QUIKRETE Advanced Polymer Concrete Crack Sealant is a superior, textured, one-component, permanently flexible, multipurpose sealant. PART 1 - GENERAL. Joint dimension of 4X anticipated movement allows proper function of high performance sealants even if applied at temperature extremes. D. Depth = ½ Width. Priming is typically not necessary. D. Approval of the backer rod or bond breaker tape shall be made by the manufacture and engineer. If joint depth does not allow for backer rod installation, use polyethylene bond breaker tape. FIBRE. For optimum performance, the width of the sealant bead should be approximately two times the depth. Products. Service temperature -50˚C to. (813 mm) apart. You can use bond breakers to improve joint performance. Use either a backer rod or tape bond. Suitable Surfaces & Substrates. 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). WHAT are Joint Sealants used for ? Joint sealants are used to seal joints and openings between two or more substrates. It is important for the sealant to bond to joints in two places so it can expand properly. 5 m ~ 4. 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. Where hydrostatic pressure exists, only bond breaking tapes must be used, not foamed back-upNeutral cure silicone used as a bond breaker. Bond breaker tapes are available in following width:15mm, 20mm, 25mm, 50mm. • APPLICATION Avoid applying sealants below 40 °F (4 °C) unless following specific instructions for cold weather caulking.