VITRAL Aluminium Roof Glazing

Features	A74 System	Benefit
Construction	Aluminium	High quality construction that provides long term life expectancy and will not deteriorate
Colour	Anodised aluminium / ppc to any RAL	Both stainless steel and anodised aluminium blend in with other materials, both internally and externally but colour can be added to match other aspects or to comply with planning requirements
Typical U-Value	1.6w/m²K	Part L requires 2.2w/m²K max, recommended 1.8w/m²K
Section Width	50mm	Minimal frame means maximum light and reduces U-Value
Section Depth	74mm	Minimal frame means maximum light and reduces U-Value
EN12101-2 Smoke Ventilation	Yes	Removes the need for proprierty smoke vents
Additional Frame For Opening Vents	No	No visible external difference between opening panels and fixed panels
Self Supported Double Pitch	Yes	Minimal frame means maximum light and reduces U-Value
Air Permeability	Class 4 at 600 Pa	Complies to EN12207

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