Class A1 fire-rated, non-combustible, metal ducting kits with double air brick, for cladding remediation projects. Compatible with rectangular HVAC and extract ducting 204 x 60 mm.
Finish
Matt, Semi-gloss, Gloss
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Material
Galvanized steel
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Length
Bespoke
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Width
209 mm
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Height
65 mm
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Specification
Standard
Class 1 without testing.
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Third party certification
Building Regulation 7(2) – Ban of combustible materials in the external wall of buildings. Building Regulation Approved Document B (fire safety). Building Standards Scotland Technical Handbook - Domestic - Fire (2.7). • Fire classification of construction products and building elements. Class A1 to European Commission paper 96/603/EC referred to in BS EN 13501-1:2018.
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Size
209 x 65 mm.
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Material and finish
Galvanized steel., Matt., Semi-gloss., Gloss.
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Additional properties
Size
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Colour and finish
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Free Area
17 280 mm².
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Integral accessories
15 mm flange and corner screw holes.
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Length
Custom sizing to allow measurement from the outer leaf to the inner leaf, and including 50 mm internal flange with eight fixing holes.