Roof sealant sika blackseal

One-component, plastic, bitumen-based. Very good adhesion on most building materials without primer and will not discolour surrounding materials. See also the joints around chimneys, roof windows and more. Seals cracks and holes in roofing paper. Seals and repairs discharge water systems, for example gutters. Adheres to many types of underlay such as brickwork, concrete, wood and metal. Also suitable for different types of steel work, spigots, for sealing of the brick and concrete tiles around pipe bushings. Also excellently suitable for overlap joining of building foil. Good adhesion on asphalt and tar and can be used on damp surfaces. Can be painted with most paints that do not contain strong solvents. Application temperature +5°C to +40°C. Temperature resistance -20°C to +70°C. Hazard labelling: flammable.