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Rytons A1 Fire-rated Retrofit 90° Ducting Kit 110mm x 54mm with Single Air Brick Grille
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Rytons A1 Fire-rated Retrofit 90° Ducting Kit 110mm x 54mm with Single Air Brick Grille

Rytons A1RF90DK110X54RGSF: Return Grille Air Brick Flanged

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

    BSI Kitemark

    Certificate type

A1 fire-rated retrofit ducting kit with single air brick grilles compatible with rectangular HVAC and extract ducting 110 x 54 mm.

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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

A1 fire-rated retrofit ducting kit with single air brick grilles compatible with rectangular HVAC and extract ducting 110 x 54 mm.


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.
  • All air brick styles have a high air flow of over 90% of the free area of the ducting and maintain low resistance.
  • Custom sizing and bespoke design service available.
  • Product considered fire class A1 without testing.

General information

Finish

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.

Material

Galvanized steel

Size

115 x 59 mm

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

115 x 59 mm.

Oversize to accommodate in situ ducting 110 mm; 54 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 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, in order to achieve A2-s1, d0. Spot-welded. Ever build intumescent fire protection and acoustic sealant used on all gaps.

Free Area

7200 mm² (over 90% of the free area of the ducting).

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.

Offset

Custom offset from underside of duct to face of air brick grille.

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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