Knot Brush
Brush, round or oval in shape, i
n either one or two knots used for applying distempers and limewash or for washing down.
Knotting
A shellac based on Methylated Spirit for use over resinous to prevent tannic bleeding from knots and sap residue within hardwoods.
Leafing/Flake Aluminium Primer
Aluminium primer for hardwoods and for sealing against tannic acid- resin residue and bitumen.
Needle Gun
Needle Gun
A hand-held gun comprising a series of needles which are operated by compressed air or electric.
Used in the preparation of steel prior to painting.
Opaque Finish
A paint that is described as opaque will give a solid colour and finish.
Blacks and whites are always opaque and any colour mixed with them will become more opaque.
An Opaque coating/finish if applied to glass will obliterate any light shining through.
OSB (Oriented strand board)
Five different qualities and standards.
- OSB/0 – No added formaldehyde
OSB- Oriented strand board - OSB/1 – General-purpose boards and boards for interior fitments (including furniture) for use in dry conditions
- OSB/2 – Load-bearing boards for use in dry conditions
- OSB/3 – Load-bearing boards for use in humid conditions
- OSB/4 – Heavy-duty load-bearing boards for use in humid condition