Fire Resistant Boards


F.R. Class 1 Plywood
Code Nom Size
P844FR1 2440 x 1220 x 4mm
P846FR1 2440 x 1220 x 6mm
P849FR1 2440 x 1220 x 9mm
P8412FR1 2440 x 1220 x 12mm
P8418FR1 2440 x 1220 x 18mm
P8425FR1 2440 x 1220 x 25mm

F.R. Class 1 Medium density Fibreboard
Code Nom Size
MDF8412FR1 2440 x 1220 x 12mm
MDF10412FR1 3050 x 1220 x 12mm
MDF8418FR1 2440 x 1220 x 18mm
MDF10418FR1 3050 x 1220 x 18mm

Masterboard - Sanded
High Performance Building Board Class 0.
Up to 1 Hour Fire Rated.
Moisture resistant with high dimensional stability.
Asbestos Free.
Code Nom Size
M846 2440 x 1220 x 6mm
M849 2440 x 1220 x 9mm
M8412 2440 x 1220 x 12mm
Also available in 15mm / 20mm / 25mm

Glassroc Multiboard - F .R. Class O
1 Hour Fire Rated
Code Nom Size
GM846 2400 x 1200 x 6mm
GM8410 2400 x 1200 x 10mm
GM8412 2400 x 1200 x 12mm
F .R. Class O Plywood
Code Nom Size
P846FRO 2440 x 1220 x 6mm
P8412FRO 2440 x 1220 x 12mm
P8418FRO 2440 x 1220 x 18mm
P842SFRO 2440 x 1220 x 25mm

F .R. Class O Medium Density Fibreboard
Code Nom Size
MDF8412FRO 2440 x 1220 x 12mm
MDF10412FRO 3050 x 1220 x 12mm
MDF8418FRO 2440 x 1220 x 18mm
MDF10418FRO 3050 x 1220 x 18mm

Supalux - Sanded
High Performance Building Board Class 0.
Up to 4 Hour Fire Rated. Moisture reistant with high dimensional stability.
Code Nom Size
S849 2440 x 1220 x 9mm
S8412 2440 x 1220 x 12mm
Also available in 6mm / 9mm / 15mm / 20mm / 25mm 2440 x 1220 sheets

Fire ratings

  • Plywood
    FR. Class 1 Plywood: BS476, Part 7. Surface Spread of Flame.
    FR. Class 0 Plywood: BS476, Part 6+7. Fire Propagation Test. The above boards are suitable for dry internal use only. Plywood products are not sanded after treatment and will need to be prepared before laminating or painting.
  • MDF
    FR. Class 1 MDF:Treated in the manufacturing process. BS476, Part 7. Surface Spread of Flame.
    FR. Class 0 MDF:Treated in the manufacturing process. BS476, Part 6. Fire Protection Test.

    N.B. Class 0 Fire Propagation Test panels also achieves Class 1 Surface spread of flame.

Registered Office: Timber Mill Way, Gauden Road, Clapham. SW4 6LY Registered in England No 2683645