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Rytons A1® Fire-rated Return Grilles 175 x 175 mm with Spigots

Verified by manufacturer 2 months ago

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Rytons Building Products Ltd Variant:

A1 fire-rated, non-combustible, metal grille with a 100, 125 or 150 mm diameter spigot for attachment to ducting.

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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 relevant buildings 11 m+ in height or more than five storeys, undergoing unsafe cladding remediation work (Building Safety Act 2022).
  • 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 11m 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.

Description

A1 fire-rated, non-combustible, metal grille with a 100, 125 or 150 mm diameter spigot for attachment to ducting.


Features and benefits:

  • A 175 x 175 mm metal louvre grille with a choice of 100, 125 or 150 mm diameter spigots.
  • Manufactured from A1 classified galvanized steel.
  • Integral flange covers damage caused by core drilling to maintain a neat appearance in brickwork or cladding.
  • 25 mm deep spigot provides a positive attachment for ducting.
  • 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.
  • Built-in weather protection. Drainage holes provide discreet water outlets, and louvres promote runoff, reducing the risk of water transfer into the cavity or ducting.
  • Made in Britain.

General information

Color

Other

Finish

Powder-coated

Material

Steel

Shape

Square

Length

8 mm

Guidance for specification option:

Depth

Width

175 mm

Height

175 mm

Uniclass

Pr_70_65_04_03 Air grillesPrimary
Pr_70_65_04_28 External wall grilles

CAWS

U90/510 External exhaust grilles

U90/320 External air intake grilles

Specification data - Air grilles

Application

Extract.

Supply.

Duty

-

Size

8 x 175 x 175 mm.

Shape

Square.

Grille type

External grille with spigot.

Position

Wall.

Material

Galvanized steel.

Finish

Powder coated.

Guidance for specification option:

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.


Reaction to fire

Class A1 fire-rated 0.9 mm galvanized steel. Class A2-s1, d0 fire-rated RAL colour powder coating.

Spigot outlet type

97 mm diameter x 25 mm depth.

Free area

16 640 mm² (over 90% of the free area of its associated ducting).

Sustainability data

Contains Red List materials

No

Country of product manufacture

United Kingdom

Material

Steel

Recyclability

Recyclable

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

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