PINE (PINUS SILVESTRIS)

To the delight of our customers, Robelbois is proud to have the largest stock of pine (pinus silvestris) in Morocco. Mainly coming from Northern Europe (Sweden, Finland, Norway) and Russia, this softwood is valued for its mechanical characteristics and its reddish color, and is essential to interior and exterior joinery and building structures.

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Description

ORIGINS
Sweden, Finland, Russia

SPECIES
Pinus Silvestris

MOISTURE CONTENT & DURABILITY
18% moisture content
Class 1 (natural) to Class 4 (autoclave treatment)

DENSITY
470 kg/m3 (at 12% moisture content)

ELASTICITY
12 000 Mpa

RESISTANCE
Flexion : 90 Mpa
Traction : 104 Mpa
Compression : 46 Mpa

FINISH
Rough sawn wood

COLOR
Reddish

USES
Interior and exterior carpentry, framing, timber formwork, cabinetry

BRANDS

DIMENSIONS & QUALITIES

MM	75	95	100	115	125	150	175	200	225	250
16	x		x		x
19	x		x		x
25			x		x	x	x	x	x
32			x		x
36	x
38	x		x		x	x	x	x	x
44			x
47			x		x
50			x	x	x	x	x	x	x	x
54						x
63				x	x	x	x	x	x
75			x		x	x	x	x	x
95		x
100			x					x

Other sizes available in stock and by special order.

GRADES	A2 (II)
KNOTS	Tolerance of 2 sound knots per side and 1 per edge. The size of these knots must not exceed 25 mm per 75 mm of thickness and 225 mm of width. 1 dead knot is admitted with a size of 70% of the permitted sound knots. All other types of knots (clusters, barkringed, unsound) are excluded.
SHAKES	Not admitted
WANE	Excluded
OTHER IMPERFECTIONS	Warp must not exceed 2% of the piece’s width. Slope of grain must not exceed 1 cm per 15 cm of length. Gum pocket of 20 mm is tolerated on the poorest meter.

US 2

GRADES	A4 (IV)
KNOTS	4 sound knots per side and 2 per edge. The size of these knots must not exceed 45 mm per 75 mm of thickness and 225 mm of width. 2 barkringed knots are admitted on the side and 1 on the edge, with a size of 50% of the permitted sound knots.
SHAKES	Tolerated on 15 % of the length of a piece with 25 mm of thickness.
WANE	Tolerated if the length does not exceed 30% of the piece.
OTHER IMPERFECTIONS	2 gum pockets of 50 mm on the poorest meter – bark pockets of 100 mm. Slope of grain must not exceed 1 cm per 10 cm of length – split end of 10% of the piece’s width – lightwood equal to 5% of the piece’s volume.

US 4

GRADES	B (V)
KNOTS	5 sound knots per side and 3 per edge. The size of these knots must not exceed 60 mm per 75 mm of thickness and 225 mm of width. 3 knot clusters, dead, barkringed or unsound knots are admitted on the edge, with a size of 70% of the permitted sound knots.
SHAKES	Tolerated per 25 % of the length of a piece with 25 mm of thickness.
WANE	Tolerated if the length does not exceed 40% of the piece.
OTHER IMPERFECTIONS	2 gum pockets of 100 mm on the poorest meter – bark pockets of 200 mm. Slope of grain must not exceed 1 cm per 10 cm of length – split end of 30% of the piece’s width – light wood equal to 30% of the piece’s volume – blue and water stains and dote equal to 5% of the piece’s volume.

5th

GRADES	C (VI)
KNOTS	6 sound knots per side and 4 per edge. The size of these knots must not exceed 75 mm per 75 mm of thickness and 225 mm of width. 4 knot clusters, dead, barkringed or unsound knots are admitted on the edge, with a size of 90% of the permitted sound knots.
SHAKES	Tolerated per 70 % of the length of a piece with 25 mm of thickness
WANE	Tolerated if the length does not exceed 50% of the piece.
OTHER IMPERFECTIONS	2 gum pockets of 150 mm on the poorest meter – bark pockets of 300 mm. Slope of grain must not exceed 1 cm per 2 cm of length – split end of 50% of the piece’s width – light wood equal to 70% of the piece’s volume – blue and water stains and dote equal to 30% of the piece’s volume.

6th

PINE (PINUS SILVESTRIS)

BRANDS

DIMENSIONS & QUALITIES

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