Tailor-made by Rytons – A1 Fire-rated Metal Air Bricks, Double Air Brick Plenum Adaptors and Ducting Kits

General Details

Tailor-made by Rytons – A1 Fire-rated Metal Air Bricks, Double Air Brick Plenum Adaptors and Ducting Kits

  • A range of custom-made galvanised steel air bricks, double air brick plenum adaptors and cross cavity ducting kits for 204mm x 60mm and 220mm x 90mm rectangular ducting.
  • Suitable for use in high-rise buildings with a storey 18m or more above ground level to Regulation 7(2) and Building Regulations Approved Document B.
  • Suitable for use in buildings with a storey 11m or more above ground level to Building (Scotland) technical handbook 2019: domestic and non-domestic, 2.7.
  • Product considered fire class A1 without testing, as per European Commission paper 96/603/EC referred to in BS EN 13501-1:2018.
  • Material not compromised at a temperature of 800°C, as required by the Building Regulations Approved Document B for ductwork spanning the cavity.
  • Classification: A1.  Definition: Non-combustible.  Description: No contribution to fire.
  • Air bricks available in return grille, square holed and louvre grille designs.
  • Extensive choice of finishes allows air brick grilles to maintain the external appearance.

Galvanised Steel Air Brick Specifications:

  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Return Grille Air Brick.
  • 215mm L x 135mm H x 50mm D (nominal size).
  • 17,280mm² free area per unit.
  • Finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.
  • Registered Design 6078059.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Return Grille Air Brick with Flange.
  • 215mm L x 135mm H x 50mm D (nominal size) plus 15mm flange with a screw hole in each corner.
  • 17,280mm² free area per unit.
  • Finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.
  • Registered Design 6078060.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Square Holed Air Brick.
  • 215mm L x 135mm H x 50mm D (nominal size).
  • 18,064mm² free area per unit.
  • Finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Square Holed Air Brick with Flange.
  • 215mm L x 135mm H x 50mm D (nominal size) plus 15mm flange with a screw hole in each corner.
  • 18,064mm² free area per unit.
  • Finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Hooded Louvre Air Brick.
  • 215mm L x 135mm H x 50mm D (nominal size, not including louvres).
  • 6,650mm² free area per unit
  • Finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Hooded Louvre Air Brick with Flange.
  • 215mm L x 135mm H x 50mm D (nominal size, not including louvres) plus 15mm flange with a screw hole in each corner.
  • 6,650mm² free area per unit.
  • Finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.

Galvanised Steel Double Air Brick Plenum Adaptor Specifications:

  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Double Air Brick Plenum Adaptor for 204mm x 60mm Rectangular Ducting.
  • Suits Rytons A1 Fire-rated Galvanised Steel Metal Air Brick 215mm L x 135mm H.
  • Male connection to 204mm x 60mm rectangular ducting.
  • Registered Design 6078062.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Double Air Brick Plenum Adaptor for 220mm x 90mm Rectangular Ducting.
  • Suits Rytons A1 Fire-rated Galvanised Steel Metal Air Brick 215mm L x 135mm H.
  • Male connection to 220mm x 90mm rectangular ducting.
  • Registered Design 6078061.

Galvanised Steel Air Brick, Adaptor and Ducting Kit Specifications:

  • Rytons A1 Fire-rated Galvanised Steel Ducting Kit 204mm x 60mm.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Metal Air Brick 215mm L x 135mm H (Return Grille: 17,280mm² free area, Square Holed: 18,064mm² free area, Hooded Louvre: 6,650mm² free area), with or without a 15mm flange with a screw hole in each corner.
  • Air brick fitted to Rytons A1 Fire-rated 0.9mm Galvanised Steel Double Air Brick Plenum Adaptor, connected to Rytons A1 Fire-rated 0.9mm Galvanised Steel Rectangular Ducting 204mm x 60mm with Rytons Flat Channel Connector (RD5C) attached.  Overall length TBC (we recommend 100mm in addition to the measurement from the outer leaf to the inner leaf).
  • Spot welded with Ever Build intumescent fire protection and acoustic sealant (product code FIREMATE) used on all gaps.
  • Metal air brick finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.
  • Registered Design 6078063.
  • Rytons A1 Fire-rated Galvanised Steel Ducting Kit 220mm x 90mm.
  • Rytons A1 Fire-rated 0.9mm Galvanised Steel Metal Air Brick 215mm L x 135mm H (Return Grille: 17,280mm² free area, Square Holed: 18,064mm² free area, Hooded Louvre: 6,650mm² free area), with or without a 15mm flange with a screw hole in each corner.
  • Air brick fitted to Rytons A1 Fire-rated 0.9mm Galvanised Steel Double Air Brick Plenum Adaptor, connected to Rytons A1 Fire-rated 0.9mm Galvanised Steel Rectangular Ducting 220mm x 90mm with Rytons Flat Channel Connector (RD6C) attached.  Overall length TBC (we recommend 100mm in addition to the measurement from the outer leaf to the inner leaf).
  • Spot welded with Ever Build intumescent fire protection and acoustic sealant (product code FIREMATE) used on all gaps.
  • Metal air brick finished in a fire-rated RAL colour powder coating (achieving a test result of A2-s1, d0) in matt, semi-gloss* or gloss*.  * Subject to RAL colour.
  • Registered Design 6078063.
Pressure Loss Data