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Engineered European Oak Flooring – Technical Specification

 

Your Engineered European Oak Flooring is milled and manufactured in Central Europe to the highest possible standard and finished completely by Hand in England by Craftsmen using traditional techniques.

Our engineered Oak is made up from a top layer of European Oak bonded to high quality Birch plywood to ensure the product is very stable and also suitable for underfloor heating systems (assuming standard guidelines are met).

There can be some elements of tension between the 2 elements of an engineered board which can create some bowing along the length, this is perfectly normal. The product is still suitable for installation if the bowing is within the allowed tolerance detailed within this section as correct fitment will ensure that the boards sit flat when installed.

Thickness Options

21mm Product Specification

Oak top layer thickness=6mm (+/- 0.5mm)

Birch plywood thickness=14.5mm (+/- 0.5mm)

Overall product thickness=20.5mm (+/- 0.3mm)

13mm Product Specification

Top layer thickness=3.5mm (+/- 0.5mm)

Plywood thickness=9mm (+/- 0.5mm)

Overall product thickness=12.5mm (+/- 0.3mm)

Width & Length Options

Available in 100mm, 120mm, 140mm, 160mm, 180mm, 200mm, 220mm, 240mm, 260mm, 280mm or 300mm.

 

Lengths: 2000/2800 mm packs with one nested layer

 

 

Grade Options

16mm Product Specification

Top layer thickness=4mm (+/- 0.5mm)

Plywood thickness=12mm (+/- 0.5mm)

Overall product thickness=16mm (+/- 0.3mm)

General Details

Oak Type=European Oak

Oak Source=Central European

Plywood Type=WBP Birch Plywood

Plywood Source=Russia

Product Moisture Content=Between 8 – 11%

Length Specification=Minimum 80% between 1.8 – 2.4m, maximum 20% between 0.6 – 1.8m (unless otherwise requested / advised)

Jointing system=Tongue & Grooved all 4 edges

Edge profile=Bevelled 2 long edges only (unless otherwise requested / advised)

Maximum bow along the length allowed=30mm

 

We keep in stock

140mm x 20 Rustic & Nature

180mm x 20 Rustic, Nature & Prime

220mm x 20 Rustic, Nature & Prime 

140mm x 16 Rustic

180mm x 16 Rustic

220mm x 16 Rustic

180mm x 16 Nature

220mm x 16 Nature

260 x 20mm Rustic

260 x 20mm Nature

500mm x 100mm x 20 Nature Blocks

600mm x 120mm x 20 Nature Blocks

500mm x 100mm x 16mm Rustic Blocks

600mm x 120mm x 16mm Rustic Blocks

 

 

4-6 weeks lead time from ordering for all items not kept in stock.

Rustic A/B (Character)

Knot content: Healthy knots up to 55mm diameter allowed,

Filled cracked knots up to 55mm diameter allowed,

Filled dead knot holes up to 20mm diameter allowed,

(Replacement knots may be used on larger dead knot holes)

Total number of knots unlimited

Other defects=Limited small bark pockets allowed

End splits up to 1mm in width and 100mm in length allowed, limited to 20% of total volume. No worm hole allowed

Sap content=Edge sap allowed limited to 30% of the width of the board

Limited core sap to 15% of total volume

Colour= Natural variation allowed, small amounts of dark heart wood allowed

 

 

Nature  

Knot content: Healthy knots up to 20mm diameter allowed,

Filled cracked knots up to 20mm diameter allowed,

Filled dead knot holes up to 10mm diameter allowed,

Total number of knots limited to 3 per board

Other defects=No bark pockets, splits or worm holes allowed

Sap content=No edge sap allowed, limited core sap to 5% of total volume

Colour= Natural variation allowed, no dark heart wood allowed

 

 

Prime

Knot content: Only pin knots up to 5mm diameter allowed, limited to 3 knots per board

Other defects=No bark pockets, splits or worm holes allowed

Sap content=No edge sap allowed, limited core sap to 5% of total volume

Colour= Natural variation allowed, no dark heart wood allowed

 

 

Important facts to note when buying European Oak Flooring

Colour variation of wood flooring

Wood is a natural material and will have variations from board to board and even within the board, not only in the visual features such as grain, knots and growth rings, but more subtlety in the mineral density and fibre density ratio in the exposed wood surface. This natural variation in the wood responds to the process reaction during any subsequent colouring process whereby the speed of the reactions (E.g. fuming reactivity) and/or stain absorption saturation point can give rise to variation in hue and density of the observed colour. The result is a distribution or range of colours and tones around a central median colour. Subtle variation between individual trees and different parts of the same tree can result in different ranges of colour hue and density, and also a difference in the median colour of a board exposed to the same production process. Any batch of flooring will in all probability be constituted from more than one tree. The full run of supplied flooring will not only have a wider distribution of colour hue and density than a limited selection shown in a sample panel, board or swatch, but may have multiple distributions of colour hue and density overlaid on a range of median colours.

Indeed, a sample panel, being a sample will not exhibit the extremes or full range of the variation in the colour. Examples of how this might appear could be:

Placing a board against the sample, the board may appear lighter, darker or have a different hue or density in colour. Two boards placed side by side could have a different median colour.

With a board, the colour may vary (E.g. in the vicinity of a knot)

This is the natural variation as expected from a natural material. The median colour of the sample will reside within the full colour range of the production batch.