Sika Sikaflex 1A Construction Joint Sealant and Adhesive
![Sika Sikaflex 1A Construction Joint Sealant and Adhesive](https://cdn11.bigcommerce.com/s-6hbewubt94/images/stencil/original/products/801/2285/sika-sikaflex-1a-cartridge-or-sausage__33992.1637046301.jpg?c=1)
Designed for all types of joints where maximum depth of sealant will not exceed 1/2 in. ▪ Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applications, and many construction adhesive applications
View our Caulking Estimator Calculator to help with your material requirements
Sikaflex-1a is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant.Sikaflex can be used in green and damp concrete applications.
Basic Uses
Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applictions, and many construction adhesive applications.
Suitable for vertical and horizontal joints; readily placeable at 40°F
Has many applications as an elastic adhesive between materials with dissimilar coefficients of expansion.
Submerged conditions, such as canal and reservoir joints.
Benefits
Fast tack-free and final cure times. High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear -resistance.
▪ Stress relaxation. Excellent adhesion - bonds to most construction materials without a primer.
▪ Excellent resistance to aging, weathering.
Proven in tough climates around the world.
Can be applied to green concrete 24 hours after pour
Can be applied to damp concrete 1 hour after getting
Odorless, non-staining.
Jet fuel resistant.
Certified to the NSF/ANSI Standard 61 for potable water
Urethane-based; suggested by EPA for radon reduction
Paintable with water-, oil- and rubber-based paints.
Approvals / Standards
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
Service Temperature
-40°F to 170°F
Cure Time
4-7 days
Tack Free Time
3 - 6 hours
Movement
+/- 35%
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