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Rytons A1® Fire-rated S-Shape Ducting Kit 220 x 90 mm with Double Air Brick

Verified by manufacturer 24 days ago

Rytons A1SSDK220X90RGD: Return Grille Air Brick

Rytons Building Products Ltd Variant:

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.

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Application

Suitable for use in high-rise buildings and those 11 m and above undergoing unsafe cladding remediation work.

Description

A range of tailor-made Class A1 fire-rated s-shape window head ducting kits compatible with rectangular HVAC and extract ducting 220 x 90 mm.


Features and benefits:

  • Compliant with regulations for the requirement of non-combustible ducting in the external walls of high-rise buildings and those 11 m and above undergoing unsafe cladding remediation work.
  • Three air brick styles. All air bricks offer low resistance and high airflows of over 90% of the free area of the duct. For cladding, flanged options cover cut edges and maintain the aesthetic appearance.
  • Custom powder coated air brick. Choose from the RAL Classic colour chart in matt, semi-gloss or gloss finish achieving Class A2-s1, d0. RAL Design and signature architectural coatings are also available.
  • Made to custom length and includes a plastic duct connector. Note: Rytons recommend adding 100mm to the external wall measurement to ensure the duct and connector finish within the inner leaf.
  • Supplied ready to install with no on-site assembly required.
  • Custom design option available.
  • Made in Britain.

General information

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.

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 guidance

S 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

Pr_35_90_50_03 AirbricksPrimary

CAWS

F30/160 Airbricks in external walling

F30/15 Airbricks in external walling

Product range

Rytons Metal A1 Fire-rated Range

Specification data - Airbricks

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:

  • Custom sizing and bespoke design service available (products are handmade to have a tolerance of +/- 5%).
  • Custom sizing, including fitted RD6C plastic ducting connector 74 mm D. 
  • Manufacturer recommends 100 mm in addition to the measurement from the outer leaf to the inner leaf.

Manufacturer guidance

Choice 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 guidance

Rytons 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.

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recyclability

Recyclable

Literature

Rytons A1® Range Updated for New Building Safety Bill

Rytons A1® Range Updated for New Building Safety Bill

5 Things to Know About Rytons Metal Air Bricks

5 Things to Know About Rytons Metal Air Bricks

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