Technical Data
Nominal density 1200kg/m3
Bending Strength (Modulus of Rupture) 8.8Mpa
Modulus of Elasticity (MoE) 4.0Mpa
Thermal Conductivity 0.12W/mk
Moisture Content ≤9%
Moisture Movement (EMC to Saturated) 0.06%
Fire Rating A1 non-combustible
BS EN ISO 1716
BS EN ISO 1182
Biological Resistance Highly resistant
Frost resistance 4 star
Surface Condition Front face – Smooth
Back face – Textured
Durability (life expectancy – minimum) 30 years
Standard board size 2400 x 1200mm, 1200 x 1200mm, (9mm & 12mm)


Thickness (mm) 6 9 12
Weight (kg/m2) 7.3 11.1 14.6
Sound insulation (dB)† 24 29 31

Dimensional Tolerance

Length ±3mm
Width ±2mm
Thickness ±0.5mm

Imperial and other sizes are available on request

1200 x 1200 x 9mm & 1200 x 1200 x 12mm available.

Product Testing and Certification

Y-wall is tested to BS 476 Part 4.
Y-wall conforms to BS EN12467.
Y-wall tested by Warrington Fire research.
Fire rated throughwall solution to BS 476 part 21 BS 476 part 22.
Fire Rating A1 Classification.

Recommended Fixing

4.8mm x 38mm wing tip self drilling fixing.

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