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Rytons A1 Fire-rated 90° Ducting Kit 220mm x 90mm with Double Air Brick Grille

Third party certifications:
  • BSI Kitemark

    Certificate type

Rytons Building Products Ltd

Rytons A1 Fire-rated 90° Ducting Kit 220 x 90 mm with double air brick grilles.

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Application

  • Suitable for use in high-rise buildings with a storey 18 m 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.

Description

Rytons A1 Fire-rated 90° Ducting Kit 220 x 90 mm with double air brick grilles.

Features and benefits:

  • Available in a variety of designs, and an extensive choice of fire-rated RAL colour powder coatings to maintain the external appearance.
  • Custom sizing and bespoke design service available.
  • Product considered fire class A1 without testing.

Application:

  • Suitable for use in high-rise buildings with a storey 18 m 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.

General information
Features

Fire-rated to BS EN 13501-1:2018; duct compatible with HVAC and extract ducting

Finish

Powder-coated in matt, semi-gloss or gloss finish to achieve A2-s1, d0

Material

0.9 mm galvanized steel

Shape

Compatible with rectangular HVAC and extract ducting 220 x 90 mm

Size

Custom sizing and bespoke design service available

Uniclass 2015
Fire-resisting air transfer grilles (Pr_30_59_94_31)Primary
Specification data - Fire-resisting air transfer grilles
Product Reference

Rytons A1 Fire-rated 90° Ducting Kit 220mm x 90mm with Double Return Grille Flanged

Rytons A1 Fire-rated 90° Ducting Kit 220mm x 90mm with Double Square Holed Grille Flanged

Rytons A1 Fire-rated 90° Ducting Kit 220mm x 90mm with Double FlowRyt® Grille Flanged

Dimensions -
Length

Specified by customer, to include fitted RD5C plastic ducting connector 74 mm D – manufacturers' recommendation is for an additional 100 mm tolerance to the measurement from the outer leaf to the inner leaf.

Width

204 mm

To 90° ducting and adapter.

Depth

90 mm

To 90° ducting and adapter.

Offset

Specified by customer; custom offset from underside of duct to face of air brick grille.

Grille requirements -
Size

Custom sizing and bespoke design service available.

Colour and finish

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

Free Area

17280 mm²

Free area to return grille double air brick flanged.

18,064 mm²

Free area to square holed double air brick flanged.

18000 mm²

Free area to FlowRyt® double air brick flanged.

Performance -
Standard

Class 1 without testing

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

Integral accessories

15 mm flange and corner screw holes

To all flanged products, including Double Return Grille Flanged, Double Square Holed Grille Flanged.

Standard product features

Colour:

Custom RAL colour grille.

Features:

Fire-rated to BS EN 13501-1:2018; duct compatible with HVAC and extract ducting.

Finish:

Powder-coated in matt, semi-gloss or gloss finish to achieve A2-s1, d0.

Material:

0.9 mm galvanized steel.

Shape:

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

Size:

Custom sizing and bespoke design service available.

Country of origin:

United Kingdom.

Country of 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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