Rytons A1RFDK220X90SQDF
Rytons A1® Fire-rated Retrofit Ducting Kit 220mm x 90mm with Square Holed Double Air Brick Flanged Square Holed Double Air Brick Flanged (15mm flange with corner screw holes): 18,064mm² free area (over 90% of the duct). Custom RAL colour air brick in matt, semi-gloss or gloss finish achieving Class A2-s1, d0. 225mm x 95mm sleeve to encase in situ ducting 220mm x 90mm. Custom fastening flange options: 50mm fixed flange with eight screw holes, located at the end of the duct. 50mm floating flange with eight screw holes, adjustable along the length of the duct. Custom overall length (refer to drawing). 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 6085481. Patent Approved. Product Code: A1RFDK220X90SQDF. Download Drawing.
Quantity required per RAL colour in matt, semi-gloss or gloss finish achieving Class A2-s1, d0:
Overall length required (refer to drawing):
Fixed or floating flange required:
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