Rytons A1® Fire-rated Periscope® Underfloor Ventilator with Return Grille Single Air Brick Flanged Return Grille Single Air Brick Flanged (15mm flange with corner screw holes): 7,200mm² free area. Custom RAL colour air brick in matt, semi-gloss or gloss finish achieving Class A2-s1, d0. Custom Periscope® top (refer to drawing dimension a). Custom Periscope® bottom (refer to drawing dimension b). Custom height (refer to drawing dimension c). Properties: Class A1 fire-rated 0.9mm galvanised steel. Class A2-s1, d0 fire-rated RAL colour powder coating. Spot welded. Everbuild Fire Mate intumescent and acoustic sealant used on all gaps. Registered Design 6087695. Patent Approved. Product Code: A1PUFVRGSF. Download Drawing.
Quantity required per RAL colour in matt, semi-gloss or gloss finish achieving Class A2-s1, d0:
Periscope® top - overall length required (refer to drawing dimension a):
Periscope® bottom - overall length required (refer to drawing dimension b):
Overall height required (refer to drawing dimension c):
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