BITUMEN PRIMER - WB
Bitumen Primer is an emulsion of special grade of bitumen, minerals and water. It is chocolate brown in color and is available in ready to use 20Kg drum. After application and evaporation of water from concrete surface, a waterproof bitumen membrane is formed. The coating when set is impermeable to water and remains unaffected by industrial fumes, saline atmosphere etc.
The surface should be completely free from dust, grease, rust and loose particles.
This should preferably done by air compressor / wire brushes.
Suitably thinned down with a max. of 25 to 35 % water, primer can be applied by spraying / brush. The primer should be allowed to dry completely. Colour will turn from brown to black.
2 to 4 hrs depending on the surface, weather and ventilation arrangement
COVERAGE: 5 to 6 M2 per Kg.