Sikaflex 1a 20 oz Sausage Kit with Caulking Gun Aluminum Gray, Pack of 20 One Component, Flexible, Non Sag, Polyurethane Concrete and Masonry...

Primerless Application: Provides excellent adhesion and bonds to most construction materials without needing a primer. Damp Surface Compatible: Resistant to aging and weathering; can be applied to green or damp concrete. Flexible and Durable: Cures to form a tough, flexible seal with ±35% movement capability. Depth-Limited Design: Formulated for joints where sealant depth does not exceed 1/2 inch. Application Versatility: Ideal for small joints and fillets; windows; door frames; reglets; flashing; common roofing detail applications; and many construction adhesive applications. Specification Compliant: Meets TT-S-00230C, Type II, Class A and ASTM C920, Type S, Grade NS, Class 35, and Canadian standard CAN/CGSB 19.13-M87. Dual Format Compatibility: The kit includes a caulking gun; it features an 18:1 thrust ratio and can be converted to use either 20 oz sausage packs or 10 oz cartridges