22 MM 2-STRIP SOLID HARDWOOD FLOORING
PRODUCT INFORMATION
PRODUCT SPECIFICATION
Junckers 22 mm 2-strip solid hardwood floors are factory finished and ready to install in accordance to Junckers Laying Instructions.
Each floor board is assembled from two rows of staves by a glued double dovetail construction.
Each floor board is tongued and grooved on all four sides.
PRODUCT DATA / TOLERANCES
Nominal Board Dimensions
Thickness: 21.8 mm (±0.2 mm)
Width: 129.0 mm (±0.2 mm)
Length: 3700 / 1830 / 900 mm (±1.0 mm)
Drying Method
Maple and Beech, all variants: Press dried.
Oak and Ash, all variants: Kiln dried.
Moisture Content
Beech, Maple, 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, COMMERCIAL / RESIDENTIAL
|
Product |
Grade |
Surface |
Product variants |
|
Beech |
Classic |
Ultra matt lacquered |
Ships decking* |
|
Ash Nordic |
Classic |
White pigmented and |
Ships decking* |
|
Black Oak |
Harmony |
Ultra matt lacquered |
Ships decking* |
|
Maple |
Classic |
Ultra matt lacquered |
Ships decking* |
|
Oak Pearl |
Harmony |
Metallic-pigmented and |
Ships decking* |
*See Fig. 1
**See possibilities in current Product selector.
Fig. 1
SHIPSDECKING
Strip made of foamed PVC with closed cells to absorb natural movements in the hardwood floor.
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.
PRODUCT RANGE, SPORT
|
Product |
Grade |
Surface |
|
Beech SylvaSport |
Champion |
Ultra matt lacquered |
|
Maple |
Champion |
Ultra matt lacquered |
|
Sylva Squash |
Champion |
Silk matt lacquered |
|
Sylva Dance, Beech |
Champion |
Silk matt lacquered |
TECHNICAL PROPERTIES
Resistance to Indentation
Oak (all variants): Approx. 3.4 Hardness Brinell
Ash (all variants): Approx. 3.4 Hardness Brinell
Maple (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) and Approx. 85 (EN 14904)
Factory 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: Approx. 0.13 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, Beech SylvaSport, Oak, Ash & Maple:
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.
Squash
Untreated: Final sanding to grit 40.
Lacquered: Final sanding to grit 40 + 1 coat of a silk matt two-component polyurethane lacquer.
Sylva Dance
Final sanding to grit 40 + 2 coats of a silk matt two-component polyurethane lacquer.
PACKING AND WEIGHT
Wrapped in polythene.
Pack size / Length / m2
8 floor boards / 3700 mm / 3.82 m2
4 floor boards / 3700 mm / 1.91 m2
8 floor boards / 1830 mm / 1.89 m2
One layer in packs of 1830 mm length may consist of two floor boards of 900 mm.
Weight kg/m2
Beech (all variants): 16.35 kg
Oak (all variants): 15.50 kg
Ash (all variants): 14.50 kg
Maple: 14.5 kg