When you use Blok products, your construction site is 100% safe. And when it comes to gutters and flashings, Blok has the ideal solution in sealants.
Combining experience in developing special products for construction with the latest technology, we offer the best mastics on the market, specially developed for professionals who work with placement and application of flashings, gutters, window frames, glass and the most diverse applications.
They have excellent adhesion, impermeability, flexibility and weather resistance. With the Blok sealants line, your work will go further and be ready to face any challenge.