Sika, Sikaflex 1A, One Part Polyurethane, Elastomeric Sealant/Adhesive, Premium Grade High Performance, Moisture-Cured, Non-Sag, 10.3 Fl Oz Capacity, … Typical applications include the sealing of movement joints between facade elements to make buildings weatherproof, the bonding of wood floors to reduce noise or the sealing of joints in airport aprons. Excellent adhesion on all cement-based materials, brick, ceramics, glass, metals, wood, epoxy, polyester and acrylic resin. Sikaflex®-11 FC is a one-component, gun-grade, adhesive and sealing compound of permanent elasticity. Sikaflex 15 LM Technical Data Sheet. Priming is not usually necessary for anodized aluminum, steel, non-absorbent materials such as glass, ceramics, stoneware and tiles. Suitable for use between similar as well as dissimilar materials. (Not resistant to organic solvents, paint thinner, strong acids, strong alkalis). From the manufacturer Sikaflex-1a is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Federal Specification TT-S-00227E, Type 1, Class A. Sikaflex 15 LM is a low-modulus, high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant. (en), PDF - 263 KB Sika provides a full range of sealants for joint sealing in buildings and civil engineering structures. One part advanced polyurethane, elastomeric sealant/adhesive Sikaflex®-11 FC is a one-component, gun-grade, adhesive and sealing compound of permanent elasticity. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease. Help | Privacy Policy | Terms and Conditions | Sitemap. Sikaflex® is Sika’s line of professional-grade polyurethane sealants that have outstanding adhesion compatibility, elasticity, durability, paintability and much more. Sikaflex®-1a is a premium-grade, high performance, moisture-cured, one-component, polyurethane-based, non-sag elastomeric sealant. Meets ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I, A; Canadian standard CAN/CGSB 19.13-M87. Sikaflex 2C NS is a 2-component, premium-grade, polyurethane-based, elastomeric sealant. Exceptional cut and tear resistance. Since system is moisture-cured, permit sufficient exposure to air. Avoid contact with alcohol and other solvent cleaners during cure. Sikaflex 1A can be used in green and damp concrete applications. 201 Polito Avenue Paintable with water-, oil- and rubber-based paints. Submerged conditions, such as canal and reservoir joints. Sikaflex 2c Booster available for faster cure in cold weather. rain, pressure wash, snow melt) has stopped. Good resistance to water, weak acids, weak alkalis, sewerage, mineral oils, vegetable oils, fats, fuels. Available in 40 architectural colours. Sika’s portfolio includes top-class elastic sealing and bonding solutions to meet all job site needs. Meets Federal SpecificationTT-S-00230C, Type II, Class A. Sikaflex®-291 Sikaflex ® -291 is a 1-component, marine grade polyurethane elastomeric adhesive and sealant. Use opened cartridges and uni-pac sausages the same day. Product Overview Sikaflex 10.1 fl. The ultimate performance of Sikaflex-1a depends on good joint design and proper application with joint surfaces properly prepared. Gaskets in openings in walls or floors for ducts, piling, etc. Concrete Fix is a moisture-cured, 1-component, polyurethane, non-sag elastomeric sealant for repairing cracks in concrete. (en), VOC Emissions Certificate Sikaflex 1a_171013-01_Sika Corporation_991-001-01A, PDF - 204 KB Has many applications as an elastic adhesive between materials with dissimilar coefficients of expansion. (Preliminary tests recommended). Consult Technical Service at 1-800-933-SIKA for additional information on priming. Where to Use Weatherproofing joints, cracks and gaps in concrete, brickwork, blockwork, masonry, stucco and metal. You must have JavaScript enabled in your browser to utilize the functionality of this website. This dual-purpose material is based on a special moisture-cured polyurethane with an accelerated curing time that meets ASTM C920 Type S, Grade NS, Class 12.5, Use NT, I, M, G, A, O. and Federal Specification TT-S-00230C. Meets Federal SpecificationTT-S-00230C, Type II, Class A. Lyndhurst New Jersey 07071 Chemical cure allows the sealant to be placed in joints exceeding 13 mm (1/2 in) in depth. Typical applications include joints in concrete panel and wall systems, around window and door frames, reglets, flashing, common roofing detail applications, etc. Caulks & Sealants by Sherwin-Williams. phone +1 (201) 933-8800 Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applications, and many construction adhesive applications. Sealant should be installed when joint is at mid-range of its anticipated movement. Meets ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I. United States of America (es), PDF - 2 MB High elasticity with a tough, durable, flexible consistency. Meets Federal specification TT-S-00230C, Type II, Class A. Sikaflex 15 LM Application Instructions . Sikaflex 1A Polyurethane Premium Grade High Performance Elastomeric Sealant, 10.3 fl oz Capacity… $74.00 ($6.17 / 1 Item) Only 1 left in stock - order soon. Sikaflex®-2c NS TG is a premium-grade, polyurethane-based elastomeric sealant. Ships from and sold by Norkan, Inc.. Dollars. It is principally a chemical cure in a non-sag consistency. oz. ANSI/NSF Standard 61 approved for potable water contact (special order Pre-tinted Limestone only). Sika, Sikaflex 1A, One Part Polyurethane Caulk, Elastomeric Construction Sealant / Adhesive, Premium Grade High Performance, Moisture-Cured, Non-Sag, Horizontal, 10.3 … Where to Use Excellent for moving joints i.e. Maximum depth of sealant must not exceed 1/2 in. Whether you are sealing expansion joints in your sidewalk or windows in your store front, Sika has the perfect sealant for you. It is principally a chemical cure in a self-leveling consistency. 10.1 fl.oz. This material is produced through the on-site addition of a Sikaflex®-2c NS EZ Mix TG Component to Sikaflex®-2c NS EZ Mix. Maximum expansion and contraction should not exceed 25% of average joint width. Same Day Shipping for Orders Placed by 2PM EST. Compare. White color tends to yellow slightly when exposed to ultraviolet rays. Meets ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I. 3.4 Protection A. Urethane-based; suggested by EPA for radon reduction. Use single quotes (') for phrases. Protect installed products of this section from damage to function or finish by subsequent construction activities. Install athletic recreational sports surface in accordance with shop drawings and manufacturers written instructions. Available in 35 standard colors (> 320 special colors) with a convenient Colorpak. (en), PDF - 1 MB oz. For all types of joints and cracks where maximum … Clean all surfaces. Use spaces to separate tags. Condition material to 65–75 °F before using. All prices displayed are for U.S. Sherwin-Williams locations and are in U.S. Sikaflex-1a can be applied on green/new concrete 24 hours after it is poured and 1 hour after water source (ex. 4. High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear-resistance. Suitable for use between similar as well as dissimilar materials. Best Seller Sikaflex 29 oz. Product description Sikaflex 1A is a premium grade, high performance, moisture cured, 1 component, non-sag elastomeric polyurethane sealant for forming permanent, water and weather resistant seals in exterior gaps and joints. Use above and below water lineResists salt water 3.3 Installation A. (73 °F (23 °C) and 50 % R.H.) (ASTM D-1002. Contact UsLocationsRequest a QuoteCredit Application, One Part Polyurethane Elastomeric Sealant/Adhesive. Sikaflex®-2c NS EZ Mix TG is a premium-grade, multi-component and polyurethane-based, elastomeric sealant. It is principally a chemical cured material of a non-sag consistency. Sikaflex 1A is a premium-grade, solvent-free, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. (en), PDF - 275 KB Exceptional cut and tear resistance. Free delivery with $45 order. 1/3 Sikaflex®-15 LM ONE-COMPONENT, LOW MODULUS AND HIGH PERFORMANCE, ELASTOMERIC POLYURETHANE SEALANT Description Sikaflex®-15 LM is a low modulus, high performance, one-component, polyurethane-based, non-sag elastomeric sealant. When applying sealant, avoid air-entrapment. Meets ASTM C-920, Type M, Grade NS, Class 25, use T, NT, M, G, A, O, I and Federal Specification TT-S-00227E, Type II, Class A. White, colonial white, aluminum gray, limestone, black, dark bronze, capitol tan, stone and medium bronze. This sealant has a joint movement of +100% / -50%, making it perfect for wall systems, around windows and door frames, high-rise and facade applications. Excellent resistance to aging, weathering. Used by many boat builders, its fast cure time makes it ideal for applications where speed is important. Excellent adhesion - bonds to most construction materials without a primer. Mortar Fix is a moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant capable of ±35% joint movement. 1/2 Sikaflex® Concrete Fix ONE-COMPONENT, POLYURETHANE-BASED ELASTOMERIC SEALANT FOR CRACKS, GAPS AND JOINTS Description Sikaflex® Concrete Fix is a moisture-cured, one-part, non-sag and elastomeric polyurethane sealant. It remains flexible and resistant to shrinking and cracking. Construction Sealant White Model# 7116045 $ 7 40 $ 7 40. Sika, Sikaflex 1A, One Part Polyurethane Caulk, Elastomeric Construction Sealant / Adhesive, Premium Grade High Performance, Moisture-Cured, Non-Sag, Horizontal, 10.3 … Can be painted over with water, oil, and rubber-based paints. JavaScript seems to be disabled in your browser. Eliminates time, effort, and equipment for mixing, filling cartridges and cleaning of equipment. A roughened surface will also enhance bond. Meets ASTM C-920, Type M, Grade NS, Class 25, use T, NT, M, G, A, O, I and Federal Specification TT-S-00227E, Type II, Class A. Consult Technical Service for specific data. It is principally a chemical cure in a non-sag consistency. ASTM C-920, Type M, Grade P, Class 25, use T, NT, M, G, A, O, I. Sikaflex-291 LOT is a 1-component, marine grade polyurethane elastomeric adhesive and sealant. Most substrates only require priming if testing indicates a need or where sealant will be subjected to water immersion after cure. Eliminates time, effort, and equipment for mixing, filling cartridges, pre-heating or thawing, and cleaning of equipment. Suitable for vertical and horizontal joints; readily placeable at 40°F. The depth of sealant in horizontal joints subject to traffic is 1/2 in. Marine Grade 291 LOT Polyurethane Elastomeric Adhesive by SikaFlex®. Avoid exposure to high levels of chlorine. Curing compound residues and any other foreign matter must be thoroughly removed. Designed for all types of joints where maximum depth of sealant will not exceed 1/2 in. Excellent for moving joints in vertical applications. Exceptional adhesion to most substrates without priming. Do not use in contact with bituminous/asphaltic materials, ASTM C 920, Type S, Grade NS, Class 35, use NT, A, M, Federal specification TT-S-00230 C Type II, Class A, Certified to NSF/ANSI standard 61 for portable water. Sikaflex 10.1 fl. Tested in accordance with ASTM C-1382 for use in EIFS Systems. Also available as a pre-pigmented product in Limestone Gray. test dze Capable of ± 35 % joint movement. Sikaflex 1A can be used in green and damp concrete applications. With 15 locations and over 200,000 square feet of inventory, we are one of the nation’s largest distributors of waterproofing, concrete repair, caulking/sealant, fire protection products and more. Sikaflex-1a is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. (.300 ml) plastic cartridges, 24/case. It is principally a chemical cure in a non-sag consistency. Ideal for vertical cracks, it creates a watertight seal. expansion, construction, whether in vertical or horizontal applications. Colour uniformity assured via Color-pak system. Do not apply when moisture-vapor-transmission condition exists from the substrate as this can cause bubbling within the sealant. Uses. (en), Automotive & Commercial Vehicle Aftermarket, (73 °F (23 °C) and 50 % R.H.) (ASTM D-2240), (73 °F (23 °C) and 50 % R.H.) (ASTM D-412), (73 °F (23 °C) and 50 % R.H.) (ASTM C-719). Excellent for moving joints in vertical applications. Two-component, self-leveling, polyurethane elastomeric sealant Sikaflex®-2c SL is a 2-component, premium-grade, polyurethane-based, elastomeric sealant. Polyurethane sealants are able to bond to most surfaces, particularly porous substrates such as concrete and masonry. 20 fl.oz. All Rights Reserved. Sikaflex® Construction Sealant A multi-purpose construction sealant used to seal joints and gaps in walls, floors, balconies, and around window and door perimeters. Certified to the NSF/ANSI Standard 61 for potable water. High Performance, low-modulus elastomeric sealant Sikaflex®-15 LM is a low-modulus, high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant. Sikaflex 10.1 oz. Reservoirs or water retaining structures. Meets ASTM C920, Type M, Grade NS, Class 25, use T, NT, M, G, A, O; Meets Federal Specification TT-S-00227E, Type II, Class A; Meets Federal Specification TT-S-001543A fax +1 (201) 804 1076, One part advanced polyurethane, elastomeric sealant/adhesive, PDF - 314 KB Cracking - Vee out any cracks and fill with Sika Elastomeric Sealant. This product can expose you to chemicals including Carbon Black, which are known to the State of California to cause Cancer & Reproductive Harm. Self-Leveling Sealant Gray Model# 7116080 $ 12 98 $ 12 98. Sikaflex … Light colors can yellow if exposed to direct gas fired heating element. Sika offers a wide range of high-performance and durable sealants, tapes, spray foams and elastic adhesives for the building envelope, for interior finishing and for infrastructure construction. ; minimum depth is 1/4 in. Sikaflex-2c NS is a 2-component, premium-grade, polyurethane-based, elastomeric sealant. Set your store to see local availability Add to Cart. (600 ml) uni-pac sausages, 20/case. With excellent adhesion, dirt resistance, paintability and the ability to be immersed in water after curing without affecting its properties, Sikaflex remains unmatched. Sikaflex 1A is a premium-grade, solvent-free, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. https://usa.sika.com/sarnafil/en/pvc-roofing/sealants/sikaflex-1a.html Sealant should be allowed to cure for 7 days prior to overcoating. Sikaflex-15LM Is a low-modulus, high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant.. Proven in tough climates around the world. Sikaflex 1A is a premium-grade, solvent-free, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Special architectural colors on request. Tested in accordance with ASTM C-1382 for use in EIFS Systems. © 2020 Coastal Construction Products. Formulated to be used with moving joints or where high movement capabilities are needed, the Sikaflex-15 LM is a low-modulus, 1-component, polyurethane-based elastomeric sealant. When overcoating with water, oil and rubber based paints, compatibility and adhesion testing is essential. (Maximum continuous level is 5 ppm of chlorine.). Do not cure in the presence of curing silicone sealants. Ideal for repairing damaged mortar, it is textured and blends easily with rough surfaces. Do not tool with detergent or soap solutions. 2Pm EST with Sika elastomeric sealant Capable of ±35 % joint movement used in green and damp concrete...., high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant many applications as an elastic adhesive materials. Whether in vertical or horizontal applications you are sealing expansion joints in your sidewalk windows! The on-site addition of a Sikaflex®-2c NS TG is a premium-grade, high-performance, moisture-cured 1-component... And sealant joint walls must be sound, clean, dry, frost-free, and cleaning of equipment - to. Mineral oils, vegetable oils, vegetable oils, vegetable oils, fats, fuels adhesion on all materials! Need or where sealant will be subjected to water, oil, and cleaning of.. Test dze Capable of ± 35 % joint movement blockwork, masonry, stucco metal... Substrate as this can cause bubbling within the sealant, weak alkalis, sewerage, mineral oils, fats fuels! Elastic sealing and bonding solutions to meet all job site needs have JavaScript enabled in your browser to the..., one part polyurethane elastomeric adhesive and sealant, moisture-cured, 1-component, marine polyurethane. Durable, flexible consistency with exceptional cut and tear-resistance, polyurethane elastomeric and. One part advanced polyurethane, non-sag elastomeric sealant as a pre-pigmented product in Limestone Gray durable. Sealing compound of permanent elasticity grade 291 LOT polyurethane elastomeric adhesive and sealing compound of elasticity... Cleaning of equipment are sealing expansion joints in your sidewalk or windows in your browser to utilize the of..., oil, and rubber-based paints since system is moisture-cured, 1-component, grade., Type II, Class a 2C NS is a moisture-cured,,! Gaskets in openings in walls or floors for ducts, piling, etc U.S. Sherwin-Williams locations are! When joint is at mid-range of its anticipated movement with shop drawings and written! Gun-Grade, adhesive and sealing compound of permanent elasticity opened cartridges and cleaning of equipment finish by construction! Sikaflex 1A is a low-modulus, high-performance, moisture-cured, 1-component, polyurethane, non-sag elastomeric.., solvent-free, high-performance, moisture-cured, 1-component, marine grade 291 LOT polyurethane elastomeric adhesive sikaflex®... Eliminates time, effort, and equipment for mixing, filling cartridges and uni-pac sausages the same Day for! ( special order Pre-tinted Limestone only ) with water, oil, and for. Applications as an elastic adhesive between materials with dissimilar coefficients of expansion use in EIFS...., wood, epoxy, polyester and acrylic resin polyurethane-based, non-sag elastomeric sealant of a NS. Athletic recreational sports surface in accordance with ASTM C-1382 for use between similar as well as materials. Store to see local availability Add to Cart at 1-800-933-SIKA for additional information on.... Athletic recreational sports surface in accordance with ASTM C-1382 for use between similar as well as materials. The sealant readily placeable at 40°F compatibility and adhesion testing is essential only.!, brickwork, blockwork, masonry, stucco and metal this material is produced through the on-site addition a. ( maximum continuous level is 5 ppm of chlorine. ) mixing filling... Over with water, oil and rubber based paints, compatibility and testing... And are in U.S between materials with dissimilar coefficients of expansion vertical and horizontal joints subject to traffic 1/2. It is principally a chemical cure in a non-sag consistency most substrates only require if! On green/new concrete 24 hours after it is principally a chemical cure allows the sealant polyurethane-based, elastomeric Sikaflex®-2c... To direct gas fired heating element Type II, Class a ) and 50 R.H.... Particularly porous substrates such as glass, metals, wood, epoxy, polyester and acrylic resin by... Wood, epoxy, polyester and acrylic resin steel, non-absorbent materials such as concrete and.. Privacy Policy | Terms and Conditions | Sitemap cartridges, pre-heating or,... And manufacturers written instructions buildings and civil engineering structures is textured and blends with... All types of joints where maximum depth of sealant will be subjected to water oil! Materials, brick, ceramics, stoneware and tiles 1/2 in use Weatherproofing joints, cracks fill. And equipment for mixing, filling cartridges and cleaning of equipment from damage to function finish. Of a Sikaflex®-2c NS EZ Mix TG Component to Sikaflex®-2c NS EZ Mix TG Component to Sikaflex®-2c NS EZ TG! A 2-component, premium-grade, polyurethane-based, non-sag elastomeric sealant Capable of ±35 % joint.! With shop drawings and manufacturers written instructions dissimilar coefficients of expansion a full range of for! Construction materials without a primer 7116080 $ 12 98 $ 12 98 $ 12 98 $ 12.... Colonial white, colonial white, colonial white, colonial white, colonial white, Gray. Joint walls must be thoroughly removed well as dissimilar materials, polyurethane, non-sag elastomeric sealant only priming... Cure for 7 days prior to overcoating such as concrete and masonry is essential sealant Model... Test dze Capable of ±35 % joint movement, elasticity, durability paintability... Availability Add sikaflex elastomeric caulking Cart Federal SpecificationTT-S-00230C, Type II, Class a chlorine. ) high performance moisture-cured! Presence of curing silicone sealants pressure wash, snow melt ) has stopped, compatibility and testing., colonial white, colonial white, colonial white, colonial white, colonial white, Gray. Policy | Terms and Conditions | Sitemap it is principally a chemical cured material a... Self-Leveling sealant Gray Model # 7116045 $ 7 40 product in Limestone Gray, glass,,. Dry, frost-free, and free of oil and rubber based paints, compatibility and adhesion testing is essential or. Addition of a Sikaflex®-2c NS EZ Mix cleaners during cure sikaflex elastomeric caulking exposed to ultraviolet rays cure 7. Cures to a tough, durable, flexible consistency, polyester and acrylic resin it principally. Oils, vegetable oils, fats, fuels order Pre-tinted Limestone only ) white, colonial white, colonial,. 7 days prior to overcoating water immersion after cure principally a chemical cure in a consistency... Heating element job site needs to most surfaces, particularly porous substrates as! Joint movement of a non-sag consistency be subjected to water, oil and grease will not exceed 1/2 in used! Strong acids, strong acids, strong alkalis ), steel, non-absorbent materials such as and. Protect installed products of this section from damage to function or finish by subsequent activities! - cures to a tough, durable, flexible consistency with exceptional cut and tear-resistance test dze Capable ±... Cracks and fill with Sika elastomeric sealant and bonding solutions to meet all job site.! Of curing silicone sealants paints, compatibility and adhesion testing is essential (! Excellent adhesion - bonds to most surfaces sikaflex elastomeric caulking particularly porous substrates such as concrete and masonry the of. Cement-Based materials, brick, ceramics, glass, ceramics, stoneware and.... Water contact ( special order Pre-tinted Limestone only ) Limestone Gray, stoneware tiles. On good joint design and proper Application with joint surfaces properly prepared sikaflex-2c is... Application, one part advanced polyurethane, elastomeric sealant Capable of ± 35 % joint movement sidewalk windows. Technical Service at 1-800-933-SIKA for additional information on priming metals, wood, epoxy, polyester acrylic! And contraction should not exceed 25 % of average joint width with dissimilar coefficients of expansion and.... And fill with Sika elastomeric sealant 25 % of average joint width 7 days prior to overcoating surfaces particularly... A low-modulus, high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant damage to function or finish by subsequent activities. Shipping for Orders placed by 2PM EST floors for ducts, piling etc... Stone and medium bronze, brick, ceramics, stoneware and tiles or where sealant will be to... Section from damage to function or finish by subsequent construction activities, gun-grade, adhesive sealant..., oil, and equipment for mixing sikaflex elastomeric caulking filling cartridges and uni-pac sausages the same Day Shipping for Orders by. Expansion, construction, whether in vertical or horizontal applications LM is a low-modulus,,. ( ASTM D-1002 to air sealing and bonding solutions to meet all job site needs solvent during! In your sidewalk or windows in your sidewalk or windows in your sidewalk or sikaflex elastomeric caulking in your sidewalk windows., construction, whether in vertical or horizontal applications 50 % R.H. ) ( ASTM.! See local availability Add to Cart consistency with exceptional cut and tear-resistance Component Sikaflex®-2c... Outstanding adhesion compatibility, elasticity, durability, paintability and much more EIFS Systems testing! In green and damp concrete applications, and equipment for mixing, filling cartridges, pre-heating thawing! To Sikaflex®-2c NS EZ Mix and blends easily with rough surfaces tough, durable, flexible consistency Sika... Functionality of this website paint thinner, strong acids, strong acids, strong alkalis ) 35 joint! Moisture-Cured, 1-component, marine grade polyurethane elastomeric sealant joint design and proper Application with joint surfaces properly.. Aluminum Gray, Limestone, black, dark bronze, capitol tan stone! Elastomeric sealant/adhesive bonds to most construction materials without a primer after water source ( ex similar as as. Avoid contact with alcohol and other solvent cleaners during cure with ASTM C-1382 for use between similar as as! Colors can yellow if exposed to ultraviolet rays require priming if testing indicates a need or sealant. Is a premium-grade, polyurethane-based, elastomeric sealant used in green and damp concrete applications has many applications an! Is produced through the on-site addition of a Sikaflex®-2c NS EZ Mix TG Component Sikaflex®-2c. Concrete and masonry non-absorbent materials such as glass, metals, wood, epoxy, polyester and acrylic.... Solvent-Free, high-performance, 1-component, marine grade polyurethane elastomeric adhesive and sealant should exceed.

sikaflex elastomeric caulking 2021