Silicone Caulk
Adhesives Sealants
Permanently flexible, 100% waterproof sealant. Resists mold and mildew. Not paintable. Best for wet areas and non-porous surfaces.
Fast Facts
- What Is It?
- 100% silicone waterproof sealant for wet areas and non-porous surfaces.
- Common Uses
- Bathrooms, kitchens, metal flashing, glass, tile, plumbing penetrations.
- Cost Range
- $4–$9 per 10 oz cartridge.
- Durability
- 20+ years; temperature range -60°F to 400°F.
Specifications
| Property | Value |
|---|---|
| Movement Capability | ±25–50% joint width |
| Cure Time | 24 hours (surface); 7 days (full depth) |
| Paintable | No (standard silicone); some modified formulas are |
Silicone sealant provides the most flexible, durable waterproof seal available. Its inability to accept paint limits it to concealed locations or areas where clear/color-matched sealant is acceptable.
Comparisons Featuring This Material
Also Consider
Polyurethane Sealant
Flexible, paintable sealant for exterior joints that move. Superior adhesion to concrete, masonry, and wood. Excellent UV and weather resistance.
Construction Adhesive
High-strength bonding agent in cartridge form for wood, concrete, drywall, and foam board. Supplements or replaces mechanical fasteners in structural and non-structural applications.