Rain‑Mate All‑Weather Black is a premium rubber‑based, general‑purpose sealant designed for flexible, weather-resistant sealing in all conditions. It bonds strongly even to damp surfaces—brick, concrete, stone, metal, wood, glass, vinyl, and most plastics—making it ideal for exterior repairs and maintenance .

Its black formula is uniquely suited for compatibility with bitumen, asphalt, and roofing felt, preventing discoloration seen with white or clear variants . Rain‑Mate remains permanently flexible, resisting cracking, slumping, or brittleness with age, even when exposed to UV and temperature fluctuations .

This sealant is quick and easy to apply using a standard cartridge gun. After cleaning off any standing water, apply directly and tool for a smooth finish. It’s over‑paintable (with compatible paints), allowing seamless integration with surrounding surfaces . For optimal adhesion, ensure surfaces are clean, removing any loose debris or rust .

Typical cure time to full performance is around 24 hours . Store in a cool, dry place between +5 °C and +25 °C—unopened cartridges retain peak performance for up to 12 months