Insutech App Primer

APP Primer (Atactic Polypropylene Primer) is a bitumen-based primer used to prepare surfaces before the application of APP membranes or other bituminous waterproofing systems. It enhances adhesion between the substrate and the membrane. Key Features: Made from bitumen and fast-drying solvents Improves bonding of torch-on APP membranes Penetrates and seals porous surfaces Applied by brush, roller, or spray