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Core Engineered European Oak Flooring – Technical Specification

 

Your Engineered European Oak Flooring is milled and manufactured in Europe 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 Eucalyptus plywood core 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

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16/4mm Product Specification

Oak top layer thickness=4mm (+/- 0.5mm)

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

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

General Details

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Length Specification

General Details

Oak Type:                        European

Plywood Type:                  Eucalyptus plywood core

Moisture Content:               6-9%

Length Spec:                      2.2m with nested splits                                                       (maximum of 1 per pack)

Pack size:                           2.42m2

Jointing System:                 Tongue and groove all 4 edges

Edge Profile:                       Bevelled 2 long edges (2 way micro)

Maximum Bowing:             2mm

What we keep in stock

warehouse

Plank

Herringbone  & Chevrons

220 x 16/4mm Brushed in

Rustic & Select

220 x 16/4mm Smooth in

Select

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600 x 120 x 16/4mm Rustic &  Select Herringbone

480 x 120 x 16/4mm Select Chevrons

Grade Options

Rustic

Knot content:    Unlimited healthy knots allowed up to 60mm diameter, filled cracked knots allowed.

                       Filled dead knot holes up to 40mm allowed. Live edge knots allowed. Pin knots allowed

                       Total of knots is unlimited.

Other Traits:     Splits up to 5mm in width and 300mm in length allowed, limited to 1-2 per board.

                       1mm worm holes allowed.

Sap content:      Edge sap allowed limited to 20% of the width of the board.

Colour:             Natural colour variation allowed; small amounts of dark heart wood

                       and irregular grain allowed.        

 

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Select

Knot content:    Live knots up to 15mm diameter allowed, limited to 2-4 knots per board.  

Dead knots up to 5mm diameter allowed, limited to 1-2 knots per board. Pin knots allowed.

Edge knots not allowed.

Other Traits:   No splits allowed. Insect knots allowed at 1mm

Sap content:    No sap allowed.

Colour:           Natural variation allowed; no dark heart wood allowed.

 

 

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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.

JS Woodcraft ™
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