SIKAFLEX 1A - SEALANT/ADHESIVE

$10.50

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One Part Polyurethane - Elastomeric - Sealant/Adhesive
Premium-grade, all purpose polyurethane sealant, for professional caulking and sealing contractors. Available in 10.1 oz. cartridges and 20 fl. oz. uni-pac sausages; special order-5 gallon pails and 55 gallon drums. Sikaflex-1a is easy to apply with conventional caulking equipment. Avoid air entrapment when applying sealant.
ADVANTAGES: High elasticity, cures to a tough, durable, flexible consistency with exceptional cut and tear resistance. Easy to apply from the cartridge and has excellent workability characteristics. Excellent resistance to aging and weathering.


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    Product Description

    Professional-grade polyurethane sealant - For Professional Use Only
    Sikaflex-1a is a premium-grade, high-performance, moisture-cured, one-component polyurethane-based, non-sag elastomeric sealant used in certain Sarnafil and Sikaplan roofing or waterproofing system details. Typical applications include wall, curb and drain terminations. It is also used as a sealant at pipe penetrations and under certain metal flashings. Sikaflex-1a can be used as a pourable sealer pocket filler.

    ADVANTAGES:

    • Fast tack-free time and final cure
    • Easy to use
    • Creamy, easy to tool
    • Excellent Adhesion
    • Excellent resistance to weathering
    • Paintable and sandable
    • High Elasticity 
    • Acceptable for traffic areas
    • Water immersible
    • Meets 1998 USDA guidelines

    HOW TO USE IT
    Application:  
    Recommended application temperatures: 40°-100°F. For cold weather application, condition units at approximately 70°F; remove prior to using. For best performance, Sikaflex-1a should be gunned into joint when joint slot is at mid-point of its designed expansion and contraction. Place nozzle of gun into bottom of the joint and fill entire joint. Keep the nozzle in the sealant, continue on with a steady flow of sealant preceding the nozzle to avoid air entrapment. Avoid overlapping of sealant to eliminate entrapment of air.

    Surface Preparation: Clean all surfaces. Joint walls must be sound, clean, dry, frost-free, and free of oil and grease. Curing compound residues and any other foreign matter must be thoroughly removed. A roughened surface will also enhance bond. Install bond breaker tape or backer rod to prevent bond at base of joint.

    Priming: Priming is not usually necessary. Most substrates only require priming if testing indicates a need or where sealant will be subjected to water immersion after cure. Consult Sikaflex Primer Technical Data Sheet or Technical Service for additional information on priming

    Tooling and Finishing: Tool sealant to ensure full contact with joint walls and remove air entrapment. Joint dimension should allow for 1/4 inch minimum and 1/2 inch maximum thickness for sealant. Proper design is 2:1 width to depth ratio, For use in horizontal joints in traffic areas, the absolute minimum depth of the sealant is 1/2 in. and closed cell backer rod is recommended.

    Removal: Use personal protective equipment (chemical resistant gloves/goggles/clothing). Without direct contact, remove spilled or excess product and placed in suitable sealed container. Dispose of excess product and container in accordance with applicable environmental regulations.

    Over Painting: Allow 1-week cure at standard conditions when using Sikaflex-1a in total water immersion situations and prior to painting.

    Do not use: Over damp surfaces as this will affect adhesion and may lead to bubbling within the sealant.

    Clean Up: Do not tool with detergent or soap solutions. Avoid contact with alcohol and other solvent cleaners during cure.

    Storage temperature: Store at 40°F - 100°F (4°C - 38°C) in a dry, well-ventilated area.

    Nota: The recommended application temperature for Sikaflex-1a is between 40°F - 100°F (4°C - 38°C). For cold weather applications, condition material to 65°F - 75°F (18°C - 24°C) before using and maintain that temperature until just prior to use. Use opened cartridges and uni-pac sausages the same day. 

    Caution: Light colors can yellow if exposed to direct gas fired heating element. Do not use in contact with bituminous/asphaltic materials.

    COLOR:   White. Colonial white. Aluminum Gray. Limestone Black. Dark Bronze Capitol Tan. Stone. Medium bronze.   SUBSTRATES:  
    Small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applications, and many construction adhesive applications.
     
    PRODUCT SIZES:   20 oz (sausages). 10.1 oz (cartridges).   DRYING TIME:   1 - 24 hours  
    SHEER STRENGTH:   335 psi (at final cure; lap sheer test, 1 mm gap)   ELONGATION:   550%  
    MOISTURE LEVELS:   Moisture protection up to 15lbs or 85% RH.   FULL CURE:   Tack-free Time: 4 hours. Tack-free to Touch: 3 hours. Final Cure: 4 to 7 days.  
    PRODUCT FORM:   Viscous Liquid.   PROJECTS:   Commercial. Residential.  
    COVERAGE:   600 ml per tube.   BASED:   Silane Modified-Prepolymer.  
    VOC:   40g/L.   OPEN TIME:   40 minutes.  

    Additional Information

    SKU 26376
    Manufacturer SIKA

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    Backorders: All backordered items will be shipped via Standard Delivery service at no additional charge.

    Returns Policy: You may return new, unworn or unused products within thirty (30) days of delivery for a full refund of the cost of the goods, or an exchange if preferred.

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