Gorilla BlackJack Bituminous Liquid Waterproof is a water based high performance ready to use cold applied high build liquid waterproofing membrane based on polymer modified bitumen emulsion. Gorilla BlackJack forms a seamless highly elastic and durable film that adheres well to most of the common substrates e.g. concrete cement blocks retaining walls wood wet areas such as kitchen toilet floors and balconies. BlackJack is highly resistant to chlorides and sulphates commonly present in the soil.

Features and Benefits:
• Single component ready to use
• Easy to use
• Non-flammable and non-toxic
• Applicable immediately after removal of the formwork
• Environment friendly