Application

Maximum m.c. at time of installation for non air-conditioned application

Maximum m.c. at time of installation for conditioned application (kiln-dried timber)

• columns, beams, bearers, studs, joists ties and struts

Roofing

• rafters, ties, struts, purlins and bracings

• battens

Staircase

• stringers, treads, trimmer beam and handrill

• balustrades
  

Flooring

• floorboarding and arquetry

• skirtings

Walling

• wall, partition and framings

• external wall boardings

• internal wall boarding, slats and screens

• fascia board 
  

Ceiling Frames

• cover battens to joints of ceiling sheets

• ceiling strips and soffit battens

25%

19%

n.a

12%

Door & Window Frames

• door, window and vent frames including their stops and grounds 
  

• door leaves, window and vent sashes

Furniture

• built in fittings and furniture generally

• workshop furniture

• science laboratory tops 
  

Beading fillets and edgings generally