WISA-Spruce

WISA-Spruce

WISA-Spruce is a high quality lightweight multipurpose panel. It is made of environmental certified Nordic Spruce and is an ideal panel for structural uses and load bearing applications like roofing, flooring, wall sheeting, packaging and joinery.

Properties

  • Light weight
  • High quality
  • PEFC certified

End-uses

  • Floors
  • Roofs
  • Walls
  • Soffits
  • Packaging
  • Temporary building
  • Vehicles
  • Joinery
  • Furniture

Bonding

Phenolic resin cross-bonded weather resistant glueing according to EN 314-2/class 3 Exterior.

Surface

Face veneer grades II and III according to standard EN 635-3.
Additional grade G, solid surface with no open defects (improved grade II).

WISA-Spruce Special is a well-known trade name for WISA-Spruce with solid surface in many markets, such as UK, Benelux, Italy and Denmark.

Panel sizes (mm)

Thin ply construction standard sizes: 1200/1220/1250/1500/1525 x 1200/2400/2440/2500/3050 mm
also long grained 2400/2440/2500 x 1200/1220/1250 available
Other sizes on special request.
Max panel size: 1525 x 3660 mm

Thick ply construction standard sizes:
Length from 2400 to 2500 mm
Width from 1200 to 1250 mm
Tongued and grooved 2400/2440 x 600/1200 mm

Size tolerances according to the Handbook of Finnish Plywood.

Thicknesses and weights

Nominal thickness
(mm)
Number of plies Thickness (mm) Strength in bending fm II (N/mm2)*
Thick ply Thin ply Min Max Thick ply Thin ply
5 3 4.8 5.6 2.6
9 3 5 8.8 9.5 4.1 4.5
12 5 7 11.5 12.5 5.5 6.4
15 5 7 14.3 15.3 6.8 7.3
18 7 9 17.1 18.1 8.6 8.7
21 7 11 20.0 20.9 9.7 10.3
24 9 13 22.9 23.7 11.0 11.0
27 9 13 25.2 26.8 12.0 13.3
30 15 28.1 29.9 14.5

Other thicknesses (up to 50 mm) and constructions available on request.