Rytons A1 Fire-rated Retrofit 90° Ducting Kit 220mm x 90mm with Double Air Brick
Verified by manufacturer 3 months ago
Rytons A1RF90DK220X90FRDF: Return Grille Air Brick Flanged
Rytons A1RF90DK220X90FRDF: Return Grille Air Brick Flanged
Class A1 fire-rated, non-combustible, metal balcony ducting kits for cladding remediation projects. Oversize metal duct encases in-situ rectangular HVAC supply and extract ducting 220 x 90 mm.
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 90° balcony ducting kits. Features an oversize metal duct to encase in-situ rectangular HVAC supply 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.
- Custom powder coated air brick. Choose from the RAL Classic colour chart in matt, semi-gloss or gloss finish achieving Class A2-s1, d0. RAL Design and signature architectural coatings are also available.
- Made to custom length.
- Supplied ready to install with no on-site assembly required.
- Custom design option available.
- Made in Britain.
General information
Color | Other |
Finish | Matt Guidance for specification option: Custom powder coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). RAL Design and signature architectural coatings also available. Semi-gloss Guidance for specification option: Custom powder coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). RAL Design and signature architectural coatings also available. Gloss Guidance for specification option: Custom powder coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). RAL Design and signature architectural coatings also available. Powder-coated |
Material | Steel Guidance for specification option: Galvanized steel. |
Shape | Rectangle Guidance for specification option: Compatible with rectangular HVAC and extract ducting 220 x 90 mm. |
Length | Bespoke |
Width | 225 mm Guidance for specification option: Ducting |
Height | 95 mm Guidance for specification option: Ducting |
Uniclass | |
CAWS | F30/160 Airbricks in external walling F30/15 Airbricks in external walling |
Product range |
Specification data - Airbricks
Standard | Class 1 without testing. |
Work sizes | 225 x 95 mm.Guidance for specification option: Oversize to accommodate in situ ducting 220 mm x 90 mm. |
Material | Galvanized steel.Guidance for specification option: 0.9 mm. Matt.Guidance for specification option: Custom powder-coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). RAL Design and signature architectural coatings also available. Semi-gloss.Guidance for specification option: Custom powder-coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). RAL Design and signature architectural coatings also available. Gloss.Guidance for specification option: Custom powder-coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). RAL Design and signature architectural coatings also available. |
Colour | Manufacturer guidanceChoice of fire-rated RAL colour powder-coatings achieving A2-s1, d0, to maintain external appearance. Spot-welded. Everbuild Fire Mate intumescent and acoustic sealant used on all gaps. |
Free Area | 18 000 mm². Guidance for specification option: Over 90% of the free area of the ducting. |
Integral accessories | 15 mm flange and corner screw holes. Guidance for specification option: To all flanged products. |
Length | Custom sizing. Features a 50 mm flange (with eight screw holes) at the end of the duct for fixing. |
Offset | Custom offset from underside of duct to face of air brick grille. |
Fire performance | Class A1. Manufacturer guidanceRytons A1® Fire-rated Ducting Kits 110 x 54 mm with Single Air Bricks are made from galvanized steel. Galvanized steel is considered fire class A1 without testing, as per European Commission paper 96/603/EC referred to in BS EN 13501-1:2018. The material remains robust at elevated temperatures and has a high melting point temperature of 1450–1520°C. Classification: A1. Definition: Non-combustible. Description: No contribution to fire. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Steel Guidance for specification option: Galvanized steel. |
Recyclability | Recyclable |
Literature
Rytons A1® Range Updated for New Building Safety Bill
5 Things to Know About Rytons Metal Air Bricks