WHALEBONE PLANK FLOORS
PRODUCT INFORMATION
PRODUCT DESCRIPTION
Junckers solid hardwood whalebone planks are produced in short lengths making them suitable for pattern floor installations, e.g. herringbone.
The planks are made as one whole floor board, tongued and grooved on all four sides. The planks are available as right- and left hand staves.
PRODUCT DATA / TOLERANCES
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:
Thickness: (±0.2 mm)
Width: (±0.2 mm)
Length: (±0.2 mm).
Drying method:
The floor boards are kiln dried.
Average moisture content:
Oak: 8% (±2%).
Black Oak: 9% (±2%).
Precision engineering:
Landing Deviation: 0.2 mm
(0.3 mm in localised areas).
Floors board ends are right angled at ±0.3 mm.
PRODUCT RANGE
|
Wood Species / Product name |
Grade |
Surface |
|
Oak |
Harmony |
Ultra matt lacquered |
|
Black Oak |
Harmony |
Ultra matt lacquered |
*According to standard product range
TECHNICAL PROPERTIES
Resistance to Indentation
All Oak products: Approx. 3.4 Hardness Brinell
Slip Resistance, (preliminary):
Factory lacquered and oiled: Approx. 0.4 (DIN 18032/2)
Fire Classification, (DIN EN 13501-1): Cfl – S1
Thermal Conduction, (Transmission coefficient):
Approx. 0.17 W/mK
Heat Resistance:
20.5 x 140.0 x 701 mm: Approx. 0.12 m² K/W
20.5 x 185.0 x 701 mm: Approx. 0.12 m² K/W
15.0 x 129.0 x 775 mm: Approx. 0.09 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.
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.
20.5 x 140.0 x 701 mm
Packsize: 12 boards (1.18 m²)
Weight per pack: 17.3 kg (14.7 kg/m²)
20.5 x 185.0 x 741 mm
Packsize: 8 boards (1.10 m²)
Weight per pack: 16.2 kg (14.7 kg/m²)
15.0 x 129.0 x 775 mm
Packsize: 16 boards (1.60 m²)
Weight per pack: 19.20 kg (12.0 kg/m²)