COMMON CONSTRUCTION MATERIALS - LIKELY EUROCLASES

The following synopsis is extracted from the results of research conducted by Warrington Fire Research* for the Government under a Partners in Innovation sponsored project involving industry.

For full details see www.wfrc.co.uk

The classification below is for Reaction to Fire and does not indicate the long-term stability of installed products in fire. Therefore Resistance to Fire should also be considered when selecting products.

PRODUCT

UK
Class

LIKELY EUROPEAN CLASSIFICATION

A1

A2

B

C

D

E

F

Low density glass wool

NC

A1

High density glass wool

LC

A1

Calcium silicate board

LC

A1

Rockwool + glass tissue face

0

A1

Rock wool + alu-foil facing

1

A1

Glass wool + alu-foil facing

0

A2,s1,d0

Silicate based mineral masonry paint

0

A2,s1,d0

Cement particle board

0

A2,s1,d0

Gypsum wallboard - Ordinary

0

A2,s1,d0

FR Gypsum wallboard

0

A2,s1,d0

HD mineral wool + 2 coat render

0

A2,s2,d0

EPS behind plasterboard

0

B,s1,dO

Duplex embossed wall-covering

0

B,s1,d0

FR MDF (01)

0

B,s1,d0

Birch plywood FR0

0

B,s1,d0

Birch Plywood FR1

1

B,s1,d0

Gravure printed VINYL wallpaper

0

B,s2,d0

Vinyl wall-covering fabric backed

0

B,s2,d0

European redwood FR0 TG Board

0

B,s2,d0

European redwood FR1 TG Board

1

B,s2,d0

Unfaced phenolic foam

2

B,s2,d0

European plywood FR2 TG Board

3

C,s1,d0

Birch plywood FR2

3

C,s1,d0

FR MDF (02)

1

C,s2,d0

PIR block foam

1

C,s2,d0

Phenolic foam alu-foil for ducts

0

C,s2,d0

PVC-U cellular cladding system

2Y

C,s3,d2

PVC-U cellular cladding system

1

C,s3,d2

Gravure printed vinyl wallcovering with paper backing

0

D,s2,d0

Expanded polystyrene type A

Unclassif

D,s3,d0

PIR foam + alufoil facing

0

D,s3,d0

Extruded polystyrene XPS

Unclassif

D,s3,d1

Wood fibre medium board - vac. Press

0

E,

PUR foam + flexible laminate facing

1

E

PIR Sprayed foam

4

E

Expanded polystyrene type N

4

F

NB: All un-faced products manufactured by Rockwool Ltd have been fire tested by an approved notified test laboratory as Euroclass A1. This classification is now indicated on the CE Marking label on all factory-made Rockwool un-faced building products.




Copyright 2004 Wilhams.All rights reserved.

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