WISA-SpruceFR

​WISA-SpruceFR is a fire-retardant plywood product for use in construction. The fire retardant treatment significantly improves fire resistance properties of the product without compromising
the plywood panel’s excellent technical performance. WISA-SpruceFR works equally as well as the base product – WISA-Spruce – in all kind of construction, especially in structural uses and load bearing structures.

Properties

  • Fire-retardart
  • Highest fire classification a wood based panel can get
  • Sustainable
  • Lightweight

End-uses

Construction, especially strucural uses and load bearing structures
Temporary building

Fire classification

According to standard EN 13501-1:
B-s1, d0 (roof and wall structures)
Bfl-s1 (floors)

Bonding

Weather resistant gluing according to EN 314-2/class 3 Exterior. WISA-Spruce fulfils the requirements of EN 13986 E1 low formaldehyde emission class.

Surface

Face veneer grades II and III (comply with standard EN 635-3).
Additional grade G (improved/solid grade II).
Fire retardant treatment is applied on both surfaces.

Machining

T & G on request

Standard panel sizes (mm)

Length from 2400 to 2500 mm
Width from 1200 to 1250 mm

Thicknesses and weights

​Nominal thickness (mm) ​​Number of plies ​​Thickness (mm) ​​Weight kg/m2
​Min​Max
​15​5​14.3​15.3​6.8
​18​7​17.1​18.1​8.6

Sizes and thicknesses relating to moisture content 8 - 10 %.
Thicknesses and tolerances fulfil EN 315 requirements.