SOLID HARDWOOD PLANK FLOORS
PRODUCT INFORMATION

B 5.0

 

B 5.0

 


PRODUCT SPECIFICATION

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


PRODUCT DATA

Nominal plank dimensions:
Thickness x Width:
15 x 129 mm
20.5 x 140 mm
20.5 x 185 mm

Length 15 x 129 mm:
2500 / 2400 / 2200 / 2100 / 2000 / 1800 / 1600 / 1500 / 1200 / 800 / 600 mm.

Length 20.5 x 140/185 mm:
Nature: 600-2800mm (100mm interval)
All other grades: 3000* / 2700* / 2400 / 2100 / 1800 / 1500 / 1200 / 900 / 600 mm.
* Not Black Oak

Tolerances, thickness and width:
Thickness: ±0.2mm
Width: 15 x 129mm: ±0.4mm
Width: 20.5 x 140/185mm: ±0.5mm
Length: ±1.0mm
Landing deviations/lipping: 0.3mm
Plank end squareness: ±0.3mm

PRODUCT RANGE

Thickness/width/Woodspecies

Grade

Surface

Product variants

15 x 129 mm Oak
20.5 x 140 mm Oak

Classic,
Harmony
Variation


Ultra matt lacquered
Silk matt lacquered
Nordic
Oiled
Untreated


Colours and
texture1)
Shipsdecking2)
Whalebone3)

20.5 x 185 mm Oak

Harmony

20.5 x 140mm Oak Nature

Nature

Ultra matt lacquer
Silk matt lacquer
Nordic
Untreated

Colours and textured4)
Shipsdecking4)

15 x 129 mm Black Oak
20.5 x 140 mm Black Oak

Harmony
Variation


Ultra matt lacquered
Oiled
Untreated


Texture1)
Shipsdecking2)
Whalebone3)

20.5 x 185 mm Black Oak

Harmony

1) See possibilities in the Product Selector at the web site.
2) See section "Ships decking".
3) See section "Whalebone/Herringbone Planks".
4) Minimum order quantity 250 m2

 

Drying method: Kiln dried.

Average moisture content, MC:
Oak: 8 % (±2 %).
Black Oak: 9 % (±2 %).

 

SHIPSDECKING

Strip made of foamed PVC with closed cells to absorb natural movements in the hardwood floor, see fig. 1.

The strip measures 3x8 mm and installed it provides a 2 mm wide joint, which varies over the year according to changes in the relative humidity.

Fig. 1


WHALEBONE / HERRINGBONE PLANKS

Junckers plank floors are also available as patterned floors. This means that the floorboards are cut to fixed lengths and are delivered in a right- and left-handed version. This enables installation in different patterns, e.g. herringbone. Whalebone is delivered surface treated from the factory.

Nominal board dimensions:
Thickness x width x length
- 20.5 x 140.0 x 701 mm
- 20.5 x 185.0 x 741 mm
- 15.0 x 129.0 x 775 mm

Tolerances: Length: +/- 0.2 mm. Thickness and width as described at page 1.

Product range (wood species and surface treatment): See options in the Product Selector at the web site.


TECHNICAL PROPERTIES

Resistance to Indentation (indicative values):
All variants: Approx. 3.4 Hardness Brinell

Slip Resistance (indicative values):
Oiled and lacquered: Approx. 0.4

Fire Classification, (EN 13501-1):
Surface treated: Cfl – S1 
Untreated:  Dfl – S1

Thermal Conduction: Approx. 0.17 W/mK

Heat Resistance:
20.5 mm: Approx. 0.12 m² K/W
15 mm: Approx. 0.09 m² K/W

Light reflection value (LRV)
BS 8493:200+A1:2010

 

Ultra matt

Silk matt

Oak
Oak Nordic
Black Oak

27
30
7

26
-
-

Substances on the candidate list (ECHA)
Junckers wooden floors do not contain SVHC substances (Substances of Very High Concern) listed on the candidate list amounting to more than 0.1 %. The candidate list registers particularly problematic substances in relation to human health and the environment. (http://echa.europa.eu/candidate-list-table).

 

SURFACE TREATMENT

LACQUERED
Oak, ultra matt and silk matt:
Priming: Several coats of UV-light curing primer.
Top finish: Two-component polyurethane lacquer.
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.

Oak, other colours:
Priming: Coloured stain.
Intermediate treatment: several coats of UV.
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

15 x 129 mm:
Wrapped in LDPE plastic and cardboard.

Random length boards from 600-2500 mm. Each pack contains 6 layers of planks.
A pack may contain up to 50 % planks in lengths shorter than 1500 mm.

Delivery happens in a mix of pack lengths, as indicated below.

Pack length / Number of m² per pack:
1500 mm / 1.16 m²
1600 mm / 1.24 m²
1800 mm/ 1.39 m²
2000 mm / 1.55 m²
2100 mm / 1.63 m²
2200 mm / 1.70 m²
2400mm / 1.86 m²
2500 mm / 1.94 m²

Weight: All variants 12.06 kg/m2

20,5 x 140 mm:
Wrapped in LDPE plastic and cardboard.

Random length boards from 600-3000 mm. Each pack contains 6 layers of planks.
1 layer may contain a mix of the standard lengths.

Delivery happens in a mix of pack lengths, as indicated below.

Pack length / Number m² per pack:
1500 mm / 1.26 m2
1800 mm / 1.51 m2
2100 mm / 1.76 m2
2400 mm / 2.02 m2
2700mm* / 2.27 m2
3000mm* / 2.52 m2
* Black Oak is not available in this length.

Weight: All variants 16.02 kg/m²

20,5 x 185 mm:
Wrapped in LDPE plastic and cardboard.

Random length boards from 600-3000 mm. Each pack contains 6 layers of planks.
1 layer may contain a mix of the standard lengths.

Delivery happens in a mix of pack lengths, as indicated below.

Pack length / Number of m² per pack:
1500 mm / 1.11 m²
1800 mm / 1.33 m²
2100 mm / 1.55 m²
2400 mm / 1.78 m²
2700 mm* / 2.00 m²
3000 mm* / 2.22 m²
* Black Oak is not available in this length.

Weight: All variants: 16.02 kg/m2

 

Whalebone, 15 & 20.5 mm
Wrapped in LDPE plastic.

20.5 x 140.0 x 701 mm
Pack size: 12 boards (1.18 m²)
Weight per pack: 17.3 kg (14.7 kg/m²)

20.5 x 185.0 x 741 mm
Pack size: 8 boards (1.1 m²)
Weight per pack: 16.2 kg (14.7 kg/m²)

15.0 x 129.0 x 775 mm
Pack size: 16 boards (1.60 m²)
Weight per pack: 19.2 kg (12.0 kg/m²)

20.5 x 140 mm Oak Nature:
Wrapped in LDPE plastic and cardboard.

Random length boards from 600-2800 mm. Each pack contains 4 layers of planks.
1 layer may contain a mix of the standard lengths.

Delivery happens in a mix of pack lengths, as indicated below.

20.5 x 140 mm Oak Nature
Pack length / Number m² per pack:

1500 mm / 0.84 m2
1600 mm / 0.90 m2
1700 mm / 0.95 m2
1800 mm / 1.01 m2
1900 mm / 1.06 m2
2000 mm / 1.12 m2
2100 mm / 1.18 m2
2200 mm / 1.23 m2
2300 mm / 1.29 m2
2400 mm / 1.34 m2
2500 mm / 1.40 m2
2600 mm / 1.46 m2
2700 mm / 1.51 m2
2800 mm / 1.57 m2

Weight: All variants 16.02 kg/m²

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