What does reaction to fire A1 mean?

A1 materials are completely non-combustible while A2 materials have very limited combustibility. While A1 materials have no contribution to fire, A2 materials have limited contribution to fire. Stringent tests must be passed in order for construction products to reach a Class A rating.

What is A1 fire rating?

A1 and A2 Fire-Rated Materials When materials are given an A1 or A2 fire rating, it essentially gives them the ‘non-combustible’ seal of approval – meaning that materials with such ratings can be specified for use on high rise developments above 18 metres (potentially soon to be 11 metres).

What does CFL s1 mean?

Flame-retardant floor coverings
Flame-retardant floor coverings. Whilst Bfl s1 is the slightly higher classification it simply means the product is flame-retardant which is what Cfl s1 also means.

What does BFL s1 fire rating mean?

Whilst Bfl s1 is the slightly higher classification it effectively means the product is fire retardant and so offers no real differentiator from Cfl s1. It does not mean the product is non- flammable.

What is Class 1 fire rating mean?

The definition of a Class 1 Fire Rating is the flame spread index and smoke development index, which really means how fast the flame spreads when introduced to the insulation material and how much smoke it produces. The Class A or Class 1 Fire Rating is the best an insulation material can receive.

Is plasterboard A1 fire rated?

Non-flammable rating A1 in accordance with EN 13501-1:2002. Fire and water-resistant, mould and mildew resistant.

What does B s1 d0 mean?

Fire class B-s1, d0 means that a product contributes to a fire to a very limited extent, its smoke production is very limited and it does not produce flaming droplets.

What is B1 fire rating?

In Figure 1 and Table 1 we give an overview of all possible labels regarding the degree of flammability. It shows that materials with classification B1 are flame resistant and are therefore well suited for use at trade shows and expos.