Controll ® ROOFSEAL 40 LITER + GRATIS LAVTRYKKSSPRØYTE

Controll® Roofseal is a colorless and non-toxic permanent sealant for concrete roofing tiles that prevents water and acid penetration by crystallizing into the tile structure.

• The description claims that the product prevents further erosion from rain, wind, snow, and ice.
• The description claims that the product seals the entire thickness of the stone and prevents moss, algae, and staining.
• The description claims that the treated stone remains diffusion-open and retains its natural surface appearance.
• The description claims that the product is environmentally friendly and does not harm plants, trees, or grass.
• The description claims that the product meets all international standards for concrete impregnation.