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Weather boiled proof
plywood requires paint
or varnish to protect
the outer veneer from
the elements.
Internal plywood does
not contain water-resistant
adhesive. The code used
to represent this
plywood is (Int.interior
use only).
Uses: -It may be
used for wall panelling,
flooring and furniture.
Uses: -Shuttering
boxes are made from
shuttering plywood.
Shuttering boxes are
used in the construction
industry to contain
concrete while it sets.
The material is water
resistant to a certain
extent. The surface of
this material does not
have a decorative veneer
and is generally not
suitable for use where
an attractive quality
finish is required.
Uses: -Marine
Plywood is made with
waterproof adhesive so
that it can be used
under water. The
material should still be
protected with paint or
varnish.
Other codes used on the
surface of plywood are:
BR: -Boil Resistant, MR:
-Moisture Resistant.
The smoothness of the
surface and the number
of defects in it grade
plywood. Plywood can be
nailed and screwed. Thin
plywood is flexible and
can be formed into
curved shapes.
Sizes: -Plywood
is sold in 2440 x 1220mm
and 1250 x 2500mm sheets.
The most common
thicknesses are 12, 15,
18 and 21 mm.
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