Verified by manufacturer 2 months ago
Rytons A1DK150RGT: Return Grille Air Brick
Class A1 fire-rated, non-combustible, metal ducting kits for high-rise buildings over 18 m (11 m in Scotland) and cladding remediation projects. Connector available for round or rectangular ducting.
Suitable for use in high-rise buildings and those 11 m and above undergoing unsafe cladding remediation work.
A range of tailor-made Class A1 fire-rated 100 mm dia. ducting kits. Choice of rectangular or round connector to suit HVAC supply and extract ducting 220 x 90 mm/150 mm dia.
Features and benefits:
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. 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. 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. Powder-coated |
Material | Steel Guidance for specification option: Galvanized steel. |
Shape | Circle Guidance for specification option: Compatible with rectangular HVAC and extract ducting 150 mm Dia. / 220 x 90 mm. |
Length | Bespoke Guidance for specification option: Metal duct fitted with a plastic duct connector. Rytons recommend adding 100-200mm to the external wall measurement to ensure the duct and connector finish within the inner leaf. |
Width | 150 mm Guidance for specification option: Diameter. |
Height | 150 mm Guidance for specification option: Diameter. |
Uniclass | |
CAWS | F30/160 Airbricks in external walling F30/15 Airbricks in external walling |
Product range |
Standard | Guidance for specification option: Class 1 without testing. |
Work sizes | Ø150 mm.Guidance for specification option: Length specified by the customer.
Manufacturer guidanceCustom sizing and bespoke design service available. Products are handmade and have a tolerance of +/- 5%, consult manufacturer. |
Material | Galvanized steel.Guidance for specification option: 0.9 mm. |
Free area | 28 800 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 air brick products. |
Surface finish | Powder-coated, 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. Powder-coated, 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. Powder-coated, 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. |
Fire performance | Class A1. Guidance for specification option: Rytons 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. |
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 |
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