204 x 60mm Fire Single Grille Ducting Kit 640mm Length Grey
- Compliant with Approved Document B
- Compliant with Building (Scotland) Technical Handbook 2019
- Designed for both 204 x 60 & 220 x 90 ducting
- Double and Single Airbrick Versions available in 5 RAL colours.
- Bezelled version for exterior cladding, render or composite
- Corrosion resistance – salt spray tested to BS EN ISO 9227:2012
- Polyester Powder Coating EN13501-1 classification A2-s1,d0
- Performance tested to BS EN13141-2:2010
- Low resistance design to ensure high airflow
- Material 0.9mm electrogalvanized Sheet Steel, fire class A1
Product Overview
Fire ductwork improves the safe operation of ventilation systems by minimising the chance of fire spread.
A1 Fire metal ducting kits and fire airbricks manufactured in the UK to comply with the latest Part B regulations. Perfect for multi-storey developments which require all materials forming part of the external wall to be made from non-combustible materials.
Galvanised 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.
• EN-13501-1:2018
• BS EN 13141-2:2010
• BS EN ISO 9227:2012 (Corrosion Resistance)
• CLASSIFICATION A2-S1; d0 (Powder Coating)
• A1 (Base Material)