Rytons A1® Fire-rated S-Shape Ducting Kit 204mm x 60mm with Return Grille Single Air Brick Return Grille Single Air Brick: 7,200mm² free area. Custom RAL colour air brick in matt, semi-gloss or gloss finish achieving Class A2-s1, d0. Custom top or bottom air brick position (refer to drawing). Custom ‘S’ top (refer to drawing dimension a). Custom ‘S’ bottom (refer to drawing dimension b). Note: Rytons recommend adding 100mm to the external wall measurement to ensure the duct and connector finish within the inner leaf. 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 6087691. Patent Pending. Product Code: A1SSDK204X60RGS. Download Drawing.
Quantity required per RAL colour in matt, semi-gloss or gloss finish achieving Class A2-s1, d0:
Air brick required top or bottom (refer to drawing):
Top - overall length required (refer to drawing dimension a):
Bottom - overall length required (refer to drawing dimension b):
Overall height required (refer to drawing dimension c):
Notes or Additional Information:
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