Tongue and Groove Boarding ~
prepared from softwoods to
the recommendations of BS 1297.
Boards are laid at right angles to
the joists and are fixed with 2 No.
65 mm long cut floor brads per
joists. The ends of board lengths
are butt jointed on the centre line
of the supporting joist.
Maximum board spans are:-
16 mm thick † 505 mm
19 mm thick † 600 mm
21 mm thick † 635 mm
28 mm thick † 790 mm
Timber Strip Flooring ~ strip
flooring is usually considered to
be boards under 100 mm face
width. In good class work
hardwoods would be specified the
boards being individually laid and
secret nailed. Strip flooring can be
obtained treated with a spirit-
based fungicide. Spacing of
supports depends on type of
timber used and applied loading.
After laying the strip flooring
should be finely sanded and
treated with a seal or wax. In
common with all timber floorings
a narrow perimeter gap should be
left for moisture movement.
Chipboard ~ sometimes called
Particle Board is made from
particles of wood bonded with a
synthetic resin and/or other
organic binders to the
recommendations of BS EN 312.Standard floor boards are in
lengths upto 2400 mm, a width of
600mm¾18 or 22mm thickness
with tongued and grooved joints
to all edges. Laid right angles to
joists with all cross joints directly
supported. May be specified as
unfinished or water-proof quality
indicated with a dull green dye.Wood Blocks ~ prepared from
hardwoods and softwoods to
the recommendations of BS- Wood blocks can be laid
to a variety of patterns, also
different timbers can be used
to create colour and grain
effects. Laid blocks should
be finely sanded and sealed
or polished.
Domestic Floor Finishes