Alcolin Permomastic Bitumen Sealant for Waterproof Joint Sealing

Alcolin Permomastic is a bitumen sealant and construction mastic designed for suitable sealing applications on roofs, flashings, joints, cracks and gaps. It provides flexible adhesion and waterproof protection, helping shield compatible building surfaces against moisture penetration and weather exposure.

Alcolin Permomastic is suitable for compatible construction and maintenance applications where a flexible bitumen-based seal is required. It can be used for suitable roofing details, flashings, joints and other areas requiring protection against water ingress. Always check the manufacturer's recommendations and confirm compatibility with the intended surface before application.

For contractors, builders, roofing professionals and maintenance teams, Alcolin Permomastic provides a practical solution for suitable waterproof sealing projects. Its mastic consistency allows it to fill and seal compatible joints, gaps and surface imperfections while providing a durable protective barrier against moisture.

Before application, ensure the surface is clean, dry, sound and free from dust, grease, loose material and other contaminants. Remove old sealant where necessary and prepare the joint according to the manufacturer's instructions. Apply the mastic evenly and ensure the sealed area is adequately covered.

Allow the product to dry or cure for the recommended period before exposing the sealed area to significant moisture or normal service conditions. Follow all specified application and safety instructions for reliable results.

Choose Alcolin Permomastic when you need a bitumen sealant for suitable roofs, flashings, joints, cracks and gaps requiring flexible waterproof protection.