20.5 X 185 MM SOLID HARDWOOD PLANKS
PRODUCT INFORMATION

B 6.0

B 6.0

 


PRODUCT SPECIFICATION

Junckers 20.5 mm solid hardwood planks are factory finished and ready to install in accordance to Junckers Laying Instructions. 
A plank is made as one whole floor board and provided with a bevelled edge of approx. 0.5 mm.
Each floor board is tongued and grooved on all four sides.


PRODUCT DATA / TOLERANCES

Nominal Board Dimensions
Thickness: 20.5 mm (±0.2 mm)
Width: 185.0 mm (±0.2 mm)

Length: 3000* / 2700* / 2400 / 2100 / 1800 / 1500 / 1200 / 900 / 600 mm (±1.0 mm). * Not Black Oak

Drying Method: Kiln dried.

Moisture Content
Boards are supplied with an average moisture content of:
Oak: 8% (±2%).
Black Oak: 9% (±2%).

Precision Engineering
Landing Deviation: 0.2 mm (0.3 mm in localised areas).
Board ends are right angled at ±0.3 mm. 

PRODUCT RANGE

Product

Grade

Surface

Product variants

Oak Boulevard


Harmony

Ultra matt lacquered
Silk matt lacquered
Oiled
Untreated

Shipsdecking*
Colour **
Texture**

Black Oak Boulevard


Harmony

Ultramatt lacquered
Oiled
Untreated

Shipsdecking*
Colour **
Texture**

Oak Nordic Boulevard

Harmony

White-pigmented and
Ultramatt lacquered

Shipsdecking*
Texture

Oak Pearl Boulevard

Harmony

Metallic-pigmented and
Ultramatt lacquered

Shipsdecking*

* see Fig. 1.
** According to standard product range


Fig. 1

SHIPS DECKING

Specially designed foamed PVC strip with compact cells to absorb movements in hardwood floors.

The dimension of the strip is 3x8 mm. Installed it provides a 2 mm wide “Ships Decking Joint”, which varies during the year according to changes in the relative humidity.


TECHNICAL PROPERTIES

Resistance to Indentation
All Oak products: Approx. 3.4 Hardness Brinell

Slip Resistance, (preliminary):
Factory lacquered 0,4 (DIN 18032/2) og 85 (EN 14904)
Factory oiled: 0,4 (DIN 18032/2)

Fire Classification: Cfl – S1 (DIN EN 13501-1)

Thermal Conduction, (Transmission coefficient): Approx. 0.17 W/mK

Heat Resistance: Approx. 0.12 m² K/W 

FACTORY SURFACE TREATMENT

Lacquered
Oak:
Priming: Several coats of UV-light curing primer.
Top finish: Two-component polyurethane lacquer, silk- or ultra matt.
Total film thickness: Min. 40 µ.

Oak Nordic:
Priming: Whitetone lacquer system.
Intermediate treatment: Several coats of UV-light curing lacquer.
Top finish: Two-component polyurethane lacquer, ultra matt.
Total film thickness: Min. 40 µ.

Oak Pearl:
Priming: Water based transparent stain.
Intermediate treatment: Several coats of UV-light curing lacquer.
Top finish: Two-component polyurethane lacquer, ultra matt.
Total film thickness: Min. 40 µ.

Black Oak:
Pre-treatment: NH3-treatment to achieve the dark colour.
Intermediate treatment: Several coats of UV-light curing lacquer.
Top finish: Two-component polyurethane lacquer, ultra matt.
Total film thickness: Min. 40 µ.

Oiled
Priming: Surface saturation using oxidative drying urethane oil.
Top finish: Oxidative drying urethane oil.
Total oil consumption: Addition to a full surface saturation.

Untreated
Final sanding to grit 150.


PACKING AND WEIGHT

Wrapped in polythene. 4 floor boards / layers of floor boards in each pack.
1 layer can include mixed lengths, using standard board lengths.
Orders can include mixed lengths of packs.

m² per pack according to package-length [mm]:
1500 / 1.11
1800 / 1.33
2100 / 1.55
2400 / 1.78
2700* / 2.00
3000* / 2.22
* Not Black Oak

Weight, kgs/m²: All Oak products: 16.02

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