PTB Primer BL (1 L) is an adhesion primer designed to improve the bonding of coatings, mortars and adhesives to various substrates.
It optimizes adhesion on porous or difficult surfaces, ensuring better hold and durability of the applied materials. Easy to use, it is applied with a roller or brush and dries quickly.
Ideal for preparation work before laying coatings, it is suitable for interior and exterior applications.
