Bostik Penetration Primer for Roofs - 5L

"Bostik Penetration Primer for Roofs is a general purpose, highly penetrative, thin bituminous primer.It is used for priming bitumen roofing felt, concrete roofs and floors, cementitious screeds/renders, mastic asphalt, weathered corrugated iron and steel prior to the application of bituminous coatings. Apply before a bituminous coating. Highly penetrative, thin bituminous primer. For all common roof surfaces. Spray or brush on."