Solvent based bitumen primer Properties • Improves the adhesion between bitumen based sheet membranes and coatings Cold applied, does not require heating Binder for dust particles Anti corrosive • Conforms to the following standards ASTM D 41 - Asphalt primer for roofing, damp proofing and waterproofing BS 3416, Type A Class C - Bitumen based coatings for cold application, suitable for use in contact with potable water. Description Bituprime SB is a quick drying solvent based low viscosity bitumen primer. It is used as a primer coat on masonry and concrete substrates to improve the adhesion of bitumen based membranes and coatings.