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Wooden Floor Grades

Prime Wooden Floor Grade (highest of the wooden floor grades)

Knot content

Only pin knots up to 5 mm diameter allowed, limited to 3 knots per board.

Visual Imperfections

No bark pockets, splits or worm holes allowed.

Sap content

No edge sap allowed, limited core sap up to 5 % of total volume.

Colour

Natural variation allowed, no dark heart wood allowed.

General description

Highest quality timber with only a very rare occurrence pin knots.

Nature floor Grade (highest of the wooden floor grades)

Knot content

Only pin knots up to 5 mm diameter allowed, limited to 3 knots per board.

Visual Imperfections

No bark pockets, splits or worm holes allowed.

Sap content

No edge sap allowed, limited core sap up to 5 % of total volume.

Colour

Natural variation allowed, no dark heart wood allowed.

General description

Highest quality timber with only a very rare occurrence pin knots.

Character Wooden Floor Grade

Character Grade Flooring 360x544

Knot content

Healthy knots up to 55 mm diameter, Filled cracked knots up to 55 mm diameter, Filled dead knot holes up to 20 mm diameter allowed, joinery repaired knots may be used, Total number of knots unlimited.

Other defects

Limited small bark pockets allowed, End splits up to 1 mm in width and 100 mm in length allowed, limited to 20% of total volume No worm holes allowed.

Sap content

Limited edge sap to 30% of total volume allowed, limited core sap to 15 % of total volume.

Colour

Natural variation, small amounts of dark heart wood.

General description

Clear colour variation and more vivid timber structure.

Rustic Wooden Floor Grade (Lowest of the wooden floor grades)

Rustic Grade Flooring 360x544

Knot content

Healthy knots up to 70 mm diameter, Filled cracked knots up to 70 mm diameter, Filled dead knot holes up to 40 mm diameter, joinery repaired – no more than 55 mm allowed, Total number of knots unlimited.

Other defects

Limited small bark pockets allowed, End splits up to 2 mm in width and 200 mm in length allowed, limited to 35 % of total volume No worm holes allowed

Sap content

Edge sap and core sap unlimited

Colour

Natural variation allowed, small amounts of dark heart wood allowed General description Standard rustic grade with a nice selection of natural knots and defects