From Calder
Calder flex high quality solvent acrylic based coating that gives a roof long term waterproofing protection with added fibers that interlace to cover up small gaps or cracks.USES:Supplied ready for use on flat roofs, pitched roofs, weathered asphalt and bituminoussurfaces, gutters, concrete, brickwork, fiberglass, felt, slate, metal (galvanized and ferrous)and aged uPVC.Simple application by either brush or squeegee.Suitable for patch repair/all over roof coatingAvailable in:Standard Colour – GreyAlso available upon request Black and White.