Bostik S590 4-in-1 Building Sealant Mastic - 306158

4-in-1 Versatile Formula

This neutral alkoxy-based silicone sealant offers a complete solution for building waterproofing. A single cartridge is enough to perform sealing joints, caulking, expansion joints, and glazing on most common substrates.

Main Applications

Expansion joint on concrete, masonry, ceramic and tile. Caulking around window and door frames. Glazing on aluminum, glass, wood and PVC. Durable waterproofing both indoors and outdoors.

Technical Performance

Optimal adhesion without primer on concrete, aluminum, wood, glass and PVC. Excellent resistance to aging and UV. Solvent-free and isocyanate-free formula, non-corrosive to metals. Easy extrusion and odorless with guaranteed lasting elasticity.

Certifications & Usage

Certified SNJF façade and glazing F25E/G25E. Designed for building professionals: façade specialists, masons, carpenters and glaziers.