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The waterproofing of a flat roof requires high attention to detail as it needs to offer a stronger water resistance than a pitched roof, which naturally allows rainwater drainage.
For the waterproofing of flat roofs, we recommend APP (Atactic Polypropylene Modified Bituminous Membrane); a felt made from polymer-stabilized bitumen and coated on top with ceramic granules that protects it from the degenerative Ultra Violet rays of the sun.
