NEC + acrylic foam sealing ultra impreband 20 x 20mm is an open-cell foam impregnated with acrylic resin that gives it its strength, permeability, the seal and thermal insulation. Compatible with a variety of media (wood, glass, aluminum, concrete, PVC, etc.), this sealing foam is resistant to aging, inequality catches up and is easy to install. Features: Water-resistant to air and water Resistant to aging Compensates inequalities Easy to install Used for construction, carpentry, roofing, insulation Dimensions: 20 x 20mm Advantages: Very good resistance to UV Water resistance and air Suitable for indoor and outdoor environments clean finish and clear advice: surfaces must be clean, dry and free of dust, grease, oil ... Tape store in a dry place