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Rytons A1® Fire-rated 100 mm Dia. Ducting Kits with Double Air Bricks
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Rytons A1® Fire-rated 100 mm Dia. Ducting Kits with Double Air Bricks

Verified by manufacturer 14 days ago

Rytons A1DK100RGD: Return Grille Air Brick

Rytons Building Products Ltd Variant:

Class A1 fire-rated, non-combustible, metal ducting kits for high-rise buildings over 18 m (11 m in Scotland) and cladding remediation projects. Connector available for round or rectangular ducting.

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+44 (0)1536 511874 www.vents.co.uk

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 100 mm dia. ducting kits. Choice of rectangular or round connector to suit HVAC supply and extract ducting 110 x 54 mm/100 mm dia.


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, choose a flanged option to 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 extra 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

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

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

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

Galvanized steel.

Shape

Circle

Compatible with rectangular HVAC and extract ducting 100 mm Dia. / 110 x 54 mm.

Size

Diameter.

Length

Bespoke

Metal duct fitted with a plastic duct connector. Rytons recommend adding 100-200mm to the external wall measurement to ensure the duct and connector finish within the inner leaf.

Width

100 mm

Diameter.

Height

100 mm

Diameter.

Uniclass

Pr_30_59_94_31 Fire-resisting air transfer grillesPrimary

CAWS

U90/360 Air transfer grilles

U90/360 Air transfer grilles

Specification data - Fire-resisting air transfer grilles

Standard

Class 1 without testing.

Size

ø 100 mm.

Length specified by the customer.


  1. With connector for 110 x 54 mm ducting. Custom overall length (including fitted RD4FR+RD4CONN plastic Flat Channel Horizontal Adaptor 159 mm D). Note: Rytons recommend 200mm in addition to the measurement from the outer leaf to the inner leaf.
  2. With connector for 100 mm dia. ducting. Custom overall length (including fitted RD4CONN plastic Pipe Connector 60 mm D). Note: Rytons recommend 100 mm in addition to the measurement from the outer leaf to the inner leaf.

Fire resistance (minimum)

Class A1.

Rytons A1® Fire-rated Ducting Kits 110 x 54 mm with Single 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.

Material and finish

Galvanized steel.

0.9 mm.

Colour

Choice of fire-rated RAL colour powder coatings achieving A2-s1, d0, to maintain external appearance. Spot-welded. Everbuild Fire Mate intumescent and acoustic sealant used on all gaps.

NominalSize

Custom sizing and bespoke design service available. Products are handmade and have a tolerance of +/- 5%, consult manufacturer.

Free area

18 720 mm².

Over 90% of the free area of the ducting.

Integral accessories

15 mm flange and corner screw holes.

To all flanged air brick products.

Surface finish

Powder-coated, matt.

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, semi-gloss.

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, gloss.

Custom powder-coated air brick from the RAL Classic colour chart (achieving Class A2-s1, d0). RAL Design and signature architectural coatings also available.

Environmental information

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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