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

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

    BSI Kitemark

    Certificate type

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

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.
  • Includes fitted plastic ducting connector (RD6C) 74 mm D. Note: Rytons recommend adding an extra 100 mm in length to the measurement from the outer leaf to the inner leaf.

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

Steel

Galvanized steel.

Shape

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

-

Size

220 x 90 mm

Uniclass 2015

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

Building Regulations Approved Document B.

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).

Size

220 x 90 mm.

To 90° ducting and adapter.

Bespoke.

Custom sizing and bespoke design service available.

Fire resistance (minimum)

Class A1.

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.

Material and finish

Galvanized steel.

0.09 mm.

Colour

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

17 280 mm².

Integral accessories

15 mm flange and corner screw holes.

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

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.

Offset

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

Surface 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.

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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