MURS PVC PRO

Fire safety

DID YOU KNOW IT?

PVC, a material that is not easily flammable

PVC is a material that is not easily flammable. It needs 150°C more than wood to burn. When burning, PVC releases hydrochloric gas that, combined with air humidity, gives hydrochloric acid. During a fire, hydrochloric acid provokes eye, nose and mouth irritations, which allows revealing the fire and giving the alert. Its level always remains below the level dangerous for the health of the occupants.

(source : Le PVC - Données techniques, SPMP, 2003).

Defined by the Civil Safety Directorate of the Ministry of the Interior, the fire safety regulation concerns the Public-Access Buildings (PAB) and High-Rise Buildings (HRB). It takes into account the number of persons who may be received in the building (class 1 to 5) and the type of building (for instance: U for care facilities).

The M classification

The M classification is now in force in France (1991 regulation).
A product can be classified from M4 to M0 according to its results to the regulatory tests (M0 corresponding to the best reaction to fire, i.e. attributed to products that do not burn).

Euroclasses

A European classification was adopted in 2002: Euroclasses. Each country remains free to define the level of requirements for its different types of buildings.

The review of the French fire regulation will integrate the Euroclasses.

A₁no contribution

A₂very low contribution

Blow contribution

Csignificant contribution

Dhigh contribution

Eimportant contribution

Fno behaviour in reaction to a determined fire

The additional criteria:
"s"(smoke) and "d" (flaming droplets) can accompany the classes A to D.

Examples of encountered classifications:
Bs1d0, Cs2d1

There is no link between the M classification and the European classification

Standards

Data structuring