POLYPRIMER HP 45 TF PROFESSIONAL is a bituminous primer with pure, fast-drying solvents, toluene-free. POLYPRIMER HP 45 TF PROFESSIONAL is used to promote adhesion, to stop dusting and saturate pores in concrete surfaces, allowing polymer bitumen membranes to be laid and applied quickly, both in torch-on applications and in cold applications using bituminous adhesives or self-adhesive membranes. POLYPRIMER HP 45 TF PROFESSIONAL can also be applied to old polymer bitumen membranes or uncoated, ungalvanized and rust-free metal surfaces. The product stands out for its fast-drying film, excellent penetration and adhesion to the substrate.