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Rytons A1® Fire-rated Retrofit Ducting Kit 220mm x 90mm with Double Air Brick
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Rytons A1® Fire-rated Retrofit Ducting Kit 220mm x 90mm with Double Air Brick

Rytons A1RFDK220X90RGD: Return Grille Air Brick

Rytons Building Products Ltd Variant:
Third party certifications:
  • BSI Kitemark

    BSI Kitemark

    Certificate type

Class A1 fire-rated, non-combustible, metal ducting kits with double air brick, for cladding remediation projects. Compatible with rectangular HVAC and extract ducting 220 x 90 mm.

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Application

  • Suitable for use in high-rise buildings and those 11 m and above undergoing unsafe cladding remediation work.

Description

A range of tailor-made Class A1 fire-rated refurbishment ducting kits. Features an oversize metal duct to encase in-situ rectangular HVAC and extract ducting 220 x 90 mm. The duct terminates with a 50 mm wide flange for secure fixing to the cavity board.


Features and benefits:

  • Compliant with regulations for the requirement of non-combustible ducting in the external walls of buildings 11 m and above undergoing unsafe cladding remediation work.
  • Three air brick styles. All air bricks offer low resistance and high airflows of over 90% of the free area of the duct. For cladding, choose a flanged option to cover cut edges and maintain the aesthetic appearance.
  • Supplied ready to install with no on-site assembly required.
  • Custom design option available.

General information

Finish

Matt

Custom powder coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). Signature architectural coatings also available.

Semi-gloss

Custom powder coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). Signature architectural coatings also available.

Gloss

Custom powder coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). Signature architectural coatings also available.

Material

Galvanized steel

Shape

Compatible with rectangular HVAC and extract ducting 220 x 90 mm.

-

Length

Bespoke

Width

225 mm

Ducting

Height

95 mm

Ducting

Uniclass

Pr_30_59_94_31 Fire-resisting air transfer grillesPrimary

CAWS

U90/360 Air transfer grilles

U90/360 Air transfer grilles

Product range

Rytons Metal A1 Fire-rated Range

Specification data - Fire-resisting air transfer grilles Enhanced data

Standard

Class 1 without testing.

To European Commission paper 96/603/EC referred to in BS EN 13501-1:2018.

Third party certification

Regulation 7(2) and Building Regulations Approved Document B. - Suitable for use in high-rise buildings with a storey 18 m or more above ground (England) or 11 m in Scotland (Technical Handbook 2019: Domestic and Non-domestic, 2.7); Fire classification of construction products and building elements. - Class A1- Material not compromised at a temperature of 800°C, as required by the Building Regulations Approved Document B for ductwork spanning the cavity. : To European Commission paper 96/603/EC referred to in BS EN 13501-1:2018.

Size

225 x 95 mm.

Oversize to accommodate in situ ducting, 90 mm; 220 mm.

Material and finish

Galvanized steel.

0.09 mm.

Matt.

Powder-coated to achieve A2-s1, d0.

Semi-gloss.

Powder-coated to achieve A2-s1, d0.

Gloss.

Powder-coated to achieve A2-s1, d0.

Size

Custom size sleeve for in situ ducting 220 x 90 mm.

Size

Custom sizing and bespoke design service available (products are handmade to have a tolerance of +/- 5%).

Colour and finish

Choice of fire-rated RAL colour powder coatings to maintain external appearance to achieve A2-s1, d0. Spot-welded. Ever build intumescent fire protection and acoustic sealant used on all gaps.

Free Area

17 280 mm².

Integral accessories

15 mm flange and corner screw holes.

To all flanged air brick products.

Length

Custom sizing to allow measurement from the outer leaf to the inner leaf, and including 50 mm internal flange with eight fixing holes.

Environmental information

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Third party certifications

  • Regulation 7(2) and Building Regulations Approved Document B. - Suitable for use in high-rise buildings with a storey 18 m or more above ground (England) or 11 m in Scotland (Technical Handbook 2019: Domestic and Non-domestic, 2.7).
  • Fire classification of construction products and building elements. - Class A1- Material not compromised at a temperature of 800°C, as required by the Building Regulations Approved Document B for ductwork spanning the cavity. : To European Commission paper 96/603/EC referred to in BS EN 13501-1:2018.

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