Verified by manufacturer 2 months ago
Rytons A1SSDK220X90RGD: Return Grille Air Brick
Class A1 fire-rated, non-combustible, metal s-shape ducting kits for high-rise buildings over 18 m (11 m in Scotland) and cladding remediation projects. Compatible with rectangular duct 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 s-shape window head 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 | Other Guidance for specification option: Compatible with rectangular HVAC and extract ducting 220 x 90 mm. Manufacturer guidanceS shape. |
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: To S-shape ducting profile. Bespoke.Guidance for specification option:
Manufacturer guidanceChoice of top or bottom air brick position. 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. |
Material | Galvanized steel.Guidance for specification option: 0.9 mm. |
Integral accessories | 15 mm flange and corner screw holes. Guidance for specification option: To all flanged air brick products. |
Position | Top. Bottom. |
Free Area | 18 720 mm² (over 90% of the free area of the ducting). |
Offset | Guidance for specification option: Custom offset length from air brick grille position to S-shape duct. |
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. Manufacturer guidanceRytons A1® Fire-rated S-shape 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 | Recyclable |
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