Verified by manufacturer 4 months ago
Rytons A1DK220X90RGD: 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. Compatible with rectangular ducting 220 x 90 mm.
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 straight ducting kits compatible with rectangular HVAC supply and extract ducting 220 x 90 mm.
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 | Rectangle Guidance for specification option: Compatible with rectangular HVAC and extract ducting 220 x 90 mm. |
Length | Bespoke Guidance for specification option: Metal duct fitted with a plastic duct connector. Rytons recommend adding 100mm to the external wall measurement to ensure the duct and connector finish within the inner leaf. |
Width | 220 mm Guidance for specification option: Ducting |
Height | 90 mm Guidance for specification option: Ducting. |
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 | 220 x 90 mm.Guidance for specification option: (w x h). To straight ducting. Length specified by customer, to include fitted plastic ducting connector – manufacturers' recommendation is for an additional 100 mm tolerance to the measurement from the outer leaf to the inner leaf to ensure the duct and connector finish within the inner leaf. Manufacturer guidanceCustom sizing and bespoke design service available. |
Material | Galvanized steel.Guidance for specification option: 0.9 mm. |
Free Area | 17 280 mm². |
Integral accessories | 15 mm flange and corner screw holes. Guidance for specification option: To all flanged air brick products. |
Length | Guidance for specification option: Specified by customer, to include fitted plastic ducting connector – manufacturers' recommendation is for an additional 100 mm tolerance to the measurement from the outer leaf to the inner leaf to ensure the duct and connector finish within the inner leaf. |
Surface 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. |
Fire performance | Class A1. Guidance for specification option: Rytons A1® Fire-rated Ducting Kits 220 x 90 mm with Double 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 | Recylable |
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