Backing Carpet Unifleks L is a roll waterproof material for additional water protection of roofs in places where leakage is possible. It is used in low-rise housing constructions of different types both new and reconstructed buildings as a backing waterproof carpet under slender tiles in places where leakage is really possible except cornice overhangs and a neck gutter. It is placed on a solid wood flooring and fixed to the base with the special composition nails. The sheets of the carpet are glued together with bitumen mastic FIXER.