Oak logs at the mill, used as an associative material photograph

Collection 01 · Heavy Plank

Thick by design.Finished on site.

3/4" (21 mm) construction · approx. 1/4" (6 mm) sawn oak · unfinished

A substantial board with an approx. 5/8" (15 mm) cross-banded birch plywood core beneath the oak. Supplied unfinished for sanding, staining and finishing on site.

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At the mill · Oak material study

The top layer

Sawn fresh.Dried as a layer.

The top layer is cut from the fresh log and dried on its own. A distinct route from timber to unfinished board.

Heavy PlankLog → Fresh-cut top layer → Top layer dried → Engineered board

A band saw cuts an oak lamella from a fresh cant; sawdust hangs in the light

Sawn from the log

The oak top layer is sawn directly from fresh timber.

Thin dried oak lamellae stacked in closely spaced layers at the mill

Dried as a layer

The 6 mm sawn oak lamella is dried before bonding to the birch plywood core.

Finished to the project

An unfinished surface for sanding, stain and finish on site.

Dimensions

Four widths,random lengths.

Four widths, random lengths of 2'–10'. Exact production dimensions and length distribution are confirmed in the offer.

Layers of sawn oak stacked on spacers at the mill

Heavy Plank · Width options · Mill photography

Parameter	in	mm
Thickness	3/4"	21
Oak top layer	approx. 1/4", sawn	6
Core	approx. 5/8" birch plywood, cross-banded	15
Widths	5" · 7" · 8-5/8" · 10"	Confirm production widths
Lengths	Random, 2'–10'	610–3,050
Lamella stock	Lengths to 10' 2"; selected lots to 16' 5"	3,100; selected lots 5,000
Grades	Prime · Nature · Classic
Surface	Unfinished, for site sanding and finishing
Profile	Tongue and groove

Imperial sizes are nominal. Ask for the confirmed face width and production dimensions.

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Grades

Three grades.Before the finish.

Heavy Plank is graded on the unfinished face. Compare Prime, Nature and Classic before choosing your site finish.

Even colour. No sapwood, cracks or shakes. Pin knots up to 3/8" (8 mm).

Approx. 70% Prime boards. Sound knots up to 1-3/8" (approx. 30 mm) on at most 30% of boards. No black knots or filler.

Sound knots to 2" (50 mm), black or filled knots to 1" (25 mm), end cracks to 4" (100 mm). No sapwood.

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Packs of sawn oak top layers racked in the mill warehouse, sorted by width and grade

Lamella at the mill

Cut and racked.Ready for the next step.

Lamella lengths to 10' 2" (3,100 mm) · selected lots to 16' 5" (5,000 mm)

Top layers are held by width and grade. Availability and lead time are confirmed for each order.

How to buy

Your project. Your selection.

AProject order

Send the width, grade, quantity and finish requirements. Lead time and delivery terms are quoted by position.

BCollection selection

Explore Heavy Plank, Studio and XXL together. Choose the construction, finish and formats for your project.

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Other collections

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02Studio · 08 Flint · Colour photography

Samples

Start with a sample.

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