... 1,Thermal insulation properties 2,High strength 3,Anti-aging 4,Fire-resistant Product namePVC single swing in doors with double ... glazingProfile colourWhite,Ashy,Brown,Double colour co-exstrusion,Wooden laminated etc. ... m2. K3) Wind resistance: 3600 Pa4) Air permeability: 0. 5 m 3 /h. M5) Watertightness: 700 PaProduct features1) Air ...