- Available at selected stores. Check your local store for details
- Damp proof retaining walls.
- Waterproofing basement structures.
- Building blocks, concrete, brick, wood and metal.
- Easy to apply and clean up.
BlackJack is a high build liquid waterproofing membrane based on polymer modified bitumen emulsion. Forms a seamless, highly elastic and durable film that adheres well to most of the common substrates e.g. concrete, cement blocks, wood, existing roof felts. Highly resistant to chlorides and sulphates commonly present in the soil.