PRODUCT INFORMATION
Solid Hardwood Flooring | Product Information
B 3.0
B 3.0
PRODUCT DESCRIPTION
Junckers 14 mm Solid Hardwood Parquet floors are factory finished and ready to install in accordance to Junckers Laying Instructions, See C 1.0.
Each floor board is assembled from two rows of staves by a glued double dovetail construction.
Each board is tongued and grooved on all four sides.
Fig. 1
PRODUCT DATA / TOLERANCES
Nominal Board Dimensions Thickness: 13.8 mm (±0.2 mm) Width: 129.0 mm (±0.2 mm) Length: 1830/900 mm (±1.0 mm)
Stave Lengths
623.5 mm and 467.5 mm.
Drying Method
Beech, all variants: Press dried.
Oak and Ash, all variants: Kiln dried.
Moisture Content
Beech, Oak and Ash, all variants except Black Oak: Average moisture content 8 % (±2 %).
Black Oak: Average moisture content 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 |
| Beech Beech Sylvaket Beech Sylvared Ash Oak | Classic Harmony Variation | Ultra matt lacquered Silk matt lacquered Clear oil Untreated | Ships decking* Bevel (Oak & Ash) Colours** Texture** |
| Ash Nordic Beech Nordic Oak Nordic | Classic Harmony Variation | White pigmented and ultra matt lacquered | Ships decking* Texture** |
| Black Oak | Harmony Variation | Ultra matt lacquered Clear Oil Untreated | Ships decking* Texture** |
| Oak Pearl | Harmony | Metallic pigmented and ultra matt Lacquered | Ships decking* |
*see Fig. 2
** Se possibilities in current Product selector.
Fig. 2
Strip made of foamed PVC with closed cells to absorb natural movements in the hardwood floor.
The strip measures 3x8mm and installed it provides a 2 mm wide joint, which varies over the year according to changes in the relative humidity.
TECHNICAL PROPERTIES
Resistance to Indentation:
Oak (all variants): Approx. 3,4 Hardness Brinell
Ash (all variants): Approx. 3,4 Hardness Brinell
Beech (all variants): Approx. 3,7 Hardness Brinell
Slip Resistance, (preliminary):
Factory lacquered: Approx. 0.4 (DIN 18032/2) + Approx. 85 (EN 14904)
Factory oiled: Approx. 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. 0.08 m² K/W
Light Reflection (Reflectance for diffuse light):
Beech Classic, lacquered: 48%
Beech SylvaKet Classic, lacquered: 22%
Electrostatic Charging (kV), Beech:
Factory lacquered:
25% RH = 3.5
50% RH = 2.0
65% RH = 1.0
Factory oiled:
25% RH = 1.0
Oiled Beech is suitable for use in rooms with computers. (DIN 54345/1-prEN 1815)
FACTORY SURFACE TREATMENT
Lacquered
Beech, Beech SylvaKet, Beech SylvaRed, Oak & Ash:
Priming: Several coats of UV-light curing primer.
Top finish: Two-component polyurethane lacquer, silk- or ultra matt. Total film thickness:
Min. 40 µ.
Ash Nordic, Beech Nordic & Oak Nordic:
Priming: White toned stain. 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.
Packaging / Length /m²
8 floor boards / 1830mm / 1.89 m².
One layer in each pack may consist of two boards of 900 mm.
Weight kgs/m²
Beech, all variants: 10.2
Oak, all variants : 9.9
Ash, all variants: 9.6