PROPERTIES: High sealing capacity, Easy application, Adheres well to bituminous substrates, Solvent Free.
This is a protective, acrylic, barrier coating for use between bituminous membranes and hybrid polymer/silicone (neutral cure) sealants Primer 300 is a water-based impregnating primer with high sealing capacity that is suited as a pre-treatment on bituminous substrates in order to improve the compatibility of hybrid (MS) based sealants and membranes. Primer 300 is a milky liquid that dries to a colourless film.
For use below windows/doors & and any bituminous membrane connection to create a stable water-tight seal between the base membrane and the sealant (preventing plasitiser migration)