... Product namePVC swing doorsProfile colourWhite,Ashy,Brown,Double colour co-exstrusion,Wooden laminated etc.SizeAvailable ... ,coated,decorative,floated,Low-E glass etc.2) Thickness: single glazing /double glazing /triple glazing 4mm,5mm ... : 33 dB2) K-value of window: 1. 9 w/ m2. K3) Wind resistance: 3600 Pa4) Air permeability ... grill design,UPVC exterior open double swing doors ,french door with side panle