STP polymer technology that offers outstanding adhesion to sanitary, bathroom, wetroom, kitchen and plumbing materials such as hard plastics, acrylics, fiberglass, ceramics,glass, marble, granite, aluminum, mirrors, metals etc. Excellent primer has less adhesion to most common bathroom substrates including metals, plastics such as polyester, perspex, glass, concrete, plaster, plasterboard, wood, enamel, painted surfaces, etc. High bonding strength, yet flexible enough to cope with common sealing applications. Interior and exterior use are also Waterproof & weatherproof. Can be applied to wet surfaces and underwater. Powerful anti-fungal action prevents mold growth on sealant – tested for 5 years (accelerated aging). Permanently flexible - 20% movement accommodation. Resistant to chemicals & petrol (10% dilute acids/alkalis, most solvents). Excellent primerless adhesion to most surfaces. Sealing soil and vent pipes., Weight: 0.15 pounds, Manufacturer: Sika Everbuild