FIELD: textiles, paper.
SUBSTANCE: invention comprises a flat-shaped textile product and reinforcing material. At that, the flat-shaped textile product, which is already reinforced, is reinforced by the hydrodynamic method. Reinforcement is made in the form of reinforcing fibers with a diameter of 0.1-1 mm or 10-400 tex, and the Young's modulus is at least 5 GPa.
EFFECT: invention enables to create base layers with improved properties for use as base layers for coated roofing and waterproofing materials.
41 cl, 6 dwg, 1 tbl
