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

General Details

Tailor-made by Rytons – 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 Metal Return Grille Air Brick.  215mm L x 135mm H x 50mm D (nominal size).  20,600mm² free area per unit – exceeds 90% of Rytons 204mm x 60mm and 220mm x 90mm A1 fire-rated rectangular ducting.  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 Metal 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.  20,600mm² free area per unit – exceeds 90% of Rytons 204mm x 60mm and 220mm x 90mm A1 fire-rated rectangular ducting.  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 Metal Square Holed Air Brick.  215mm L x 135mm H x 50mm D (nominal size).  20,322mm² free area per unit – exceeds 90% of Rytons 204mm x 60mm and 220mm x 90mm A1 fire-rated rectangular ducting.  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 Metal 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.  20,322mm² free area per unit – exceeds 90% of Rytons 204mm x 60mm and 220mm x 90mm A1 fire-rated rectangular ducting.  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 Metal Hooded Louvre Air Brick.  215mm L x 135mm H x 50mm D (nominal size, not including louvres).  10,500mm² 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 Metal 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.  10,500mm² 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 Metal Double Air Brick Plenum Adaptor to suit Rytons A1 Fire-rated Galvanised Steel Metal Air Brick 215mm L x 135mm H.  Male connection to 204mm x 60mm rectangular ducting.

Rytons A1 Fire-rated 0.9mm Galvanised Steel Metal Double Air Brick Plenum Adaptor to suit Rytons A1 Fire-rated Galvanised Steel Metal Air Brick 215mm L x 135mm H.  Male connection to 220mm x 90mm rectangular ducting.

Galvanised Steel Air Brick, Adaptor and Ducting Kit Specifications:

Rytons A1 Fire-rated Galvanised Steel Ducting Kit 204mm x 60mm.  Comprising Rytons A1 Fire-rated 0.9mm Galvanised Steel Air Brick 215mm L x 135mm H (Return Grille: 20,600mm² free area – exceeds 90% of ducting, Square Holed: 20,322mm² free area – exceeds 90% of ducting, Hooded Louvre: 10,500mm² free area), with or without a 15mm flange with a screw hole in each corner.  Air brick attached 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 x length TBC (we recommend total overall width of cavity plus 100mm).  Spot welded and Fire Mate connections, Ever Build intumescent fire protection and acoustic sealant (product code FIREMATEGY) used on all gaps.  Supplied fitted with Rytons Flat Channel Connector (RD5C).  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.

Rytons A1 Fire-rated Galvanised Steel Ducting Kit 220mm x 90mm.  Comprising Rytons A1 Fire-rated 0.9mm Galvanised Steel Air Brick 215mm L x 135mm H (Return Grille: 20,600mm² free area – exceeds 90% of ducting, Square Holed: 20,322mm² free area – exceeds 90% of ducting, Hooded Louvre: 10,500mm² free area), with or without a 15mm flange with a screw hole in each corner.  Air brick attached 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 x length TBC (we recommend total overall width of cavity plus 100mm).  Spot welded and Fire Mate connections, Ever Build intumescent fire protection and acoustic sealant (product code FIREMATEGY) used on all gaps.  Supplied fitted with Rytons Flat Channel Connector (RD6C).  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.