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Rytons A1® Fire-rated Cowl

Name: Rytons A1® Fire-rated Cowl
Brand: Rytons Building Products Ltd
SKU: ojYNskQqskZdK9Y5mc5XCC

Verified by manufacturer 29 days ago

A1 fire-rated, non-combustible, surface mounted metal hooded cowl.

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Application

Suitable for:

The external walls of high-rise relevant buildings over 18 m high (11 m high in Scotland).
The external walls of higher-risk buildings at least 18 m high or with at least seven storeys (Building Safety Act 2022).
The external surfaces of residential purpose group buildings more than 11 m high.
The external surfaces of residential purpose group buildings 11 m high or less where an external wall is within 1 m of the relevant boundary.
All other residential and non-residential buildings.

A1 fire-rated, non-combustible, surface mounted metal hooded cowl.

Features and benefits:

Made-to-measure cover for new or existing air bricks, grilles and vents.
Large and small sizes can be accommodated.
Protects external grilles and vents from excessive environmental conditions such as rain and snow.
Reduces air blasts through ductwork or the cavity.
Manufactured from A1 classified galvanized steel.
Supplied custom powder coated to Class A2-s1, d0. Choose from the RAL Classic colour chart in matt, semi-gloss or gloss finishes to match cladding or brickwork. Signature architectural finishes are also available.
Made in Britain.

Uniclass	Pr_30_59_96_93 Ventilation gratingsPrimary
CAWS	U90/310 Ventilators for heating appliances F30/17 Ventilation ducts in external walling F30/171 Ventilation ducts in external walling

Apertures	Fire-rated cowl.
Work sizes	Bepsoke. Guidance for specification option: Custom cowl opening width x height to cover vent/ grille plus 15 mm flange (with screw holes) top and sides. Note: Rytons recommend a cowl opening 10 mm larger than the vent/ grille for installation clearance.
Material	Galvanized carbon steel.
Colour	- Manufacturer guidance Supplied custom powder coated to Class A2-s1, d0. Choose from the RAL Classic colour chart in matt, semi-gloss or gloss finishes to match cladding or brickwork. Signature architectural finishes are also available. Consult manufacturer for details and insert requirements.