Seal & Block Bitumen Waterproofer
A highly flexible bitumen emulsion which can be used in conjunction with Bostik Membrane to create a highly effective waterproofing system.
Product overview
Bostik Bitumen Waterproofer is a highly flexible bitumen emulsion which can be used in conjunction with Bostik Membrane to create a highly effective waterproofing system. It is non-toxic once dried and is ideal for waterproofing flat roofs, gutters, flashings, water reservoirs and koi ponds.
The product can be cold applied to vertical and horizontal surfaces and once dried; it forms a tough, durable and flexible waterproof barrier.
Bostik Bitumen Waterproofer is a highly flexible bitumen emulsion which can be used in conjunction with Bostik Membrane to create a highly effective waterproofing system. It is non-toxic once dried and is ideal for waterproofing flat roofs, gutters, flashings, water reservoirs and koi ponds.
The product can be cold applied to vertical and horizontal surfaces and once dried; it forms a tough, durable and flexible waterproof barrier.
Geographic availability
- South Africa
Available sizes
1L (bucket)
5L (bucket)
20L (bucket)
Smart Advantages
Waterproofing of flat roofs, parapets and flashings
Waterproofing of ponds, water reservoirs and waterproofing and protective coating for below ground foundations
Sealing of joints between different roofing materials, gutter joints, and roof screws
Related market & applications

Waterproofing
- Priming