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[PDF]European reaction to fire classification of wood products

Gypsum boards fire retardant wood B s1 - s3 d0 - d2 − x x ≤120 ... Wood panelling and cladding. Classifications. Final table in Commission Decision (Official Journal January 2003) Classes of Reaction to Fire Performance for Wood-based panels Solid wood panels 400 12 D-s2d0 DFL-s1

Fire resistant cladding | James Hardie Europe

PVC/uPVC or vinyl cladding products usually have a fire rating of C or D which means this type of cladding is combustible. For comparison most untreated wood cladding products have a fire rating of D. uPVC is composed of two building blocks chlorine and ethylene from natural gas or …

Fire Retardant Timber Cladding - Timber Focus

Fire retardant timber cladding can be used both internal and external wall cladding. We are one of the few companies in Europe that can supply fully certified timber cladding that has been tested to meet Euro Class B or C according to the standard EN 13501-1. We can supply both internal and external cladding in opaque and translucent finishes.

[PDF]Dura Cladding Resist

timber cladding rated to a Class B fire rating and tested in accordance with genuine install methodology Dura Cladding Resist achieves superior fire resistance to any other co-extruded cladding on the market. Dura Cladding Resist: Understanding European classification (BS EN 13501): British Standards and European codes use different grading


To understand why timber cladding is recognised for its fire resistant qualities it is important to first understand how timber burns. When timber is first exposed to temperatures of above 280°C the surface layer of the wood ignites and burns. This layer rapidly turns into char becoming a thermal insulator for the solid wood that lies beneath it.

What is A1 A2 and B Fire classification of Cladding ...

Apr 03 2020 The cladding materials that fall under the A1 fire classification are ones with the highest performance. These materials are non-combustible in nature and have no contribution to fire at all. A2 Classification. The construction cladding materials of A2 cladding have limited combustibility properties. They have very limited contribution towards the fire.

Cladding Fire Rating Guide - VIVALDA

It’s important to note that current building regulations state that only fire rated cladding is permitted for use on tall buildings over 18 metres in height designed in conjunction with the positioning of fire cavity barriers to reduce the spread and speed of flame within the cavity behind the cladding in the event that a fire reaches the exterior of the building.

Fire safety regulations for cladding: Approved Doc B: Fire ...

Cladding above 18m must be FR treated as a minimum to Euroclass B-s3 d2. Unless any wall is less than 1000 mm from a boundary when the cladding of the entire wall must be FR treated as a …

Should timber cladding be fire retardant treated? Timber ...

Statement on the performance on wood cladding in a fire The outcome of the UK government’s assessment last year of the use of different cladding materials in the wake of the Grenfell tragedy confirmed that timber where necessary enhanced with flame retardant remains fit for purpose where the upper floor level of a building is less than 18m above ground (Building Regulations England).

[PDF]External Timber Cladding and Fire

external cladding is to be given a decorative/protective coating and where it is to be left uncoated. Fire Testing Untreated timber is generally regarded as Euroclass D-s2 d0. Its performance can be upgraded to Class C (Limited contribution to a fire) or B (Very limited contribution to a …

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