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

Third party certifications:

BSI Kitemark
Certificate type

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.

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

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	Pr_30_59_94_31 Fire-resisting air transfer grillesPrimary

Specification data - Fire-resisting air transfer grilles Enhanced data

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.