Wood Samples & Specs
| Click on wood sample for large photo |
|
Hard Maple |
Yellow Birch |
Red
Oak |
White Ash |
Beech |
Cherry |
Walnut |
| 
Hard Maple |
Specific
Gravity |
0.659 |
0.608 |
0.612 |
0.613 |
0.667 |
0.551 |
0.594 |
| 
Beech |
Density
kg/m3) |
740 |
670 |
690 |
690 |
750 |
610 |
660 |
| 
Cherry |
Hardness |
7290 |
5930 |
6170 |
7050 |
6490 |
4630 |
5910 |
| 
Parquet |
Bending
Strength
(MPa) |
115 |
106 |
98.7 |
108 |
116 |
87.1 |
103 |
| 
Red Oak |
Stiffness
(MPa) |
14100 |
14100 |
11900 |
12800 |
14000 |
11900 |
13100 |
| 
Walnut |
Stability |
** |
** |
*** |
*** |
** |
** |
**** |
| 
White Ash |
Sandability |
** |
** |
** |
* |
*** |
**** |
*** |
| 
Yellow Birch |
Nailability |
** |
** |
**** |
** |
* |
* |
* |
| |
Stainability |
** |
*** |
** |
** |
** |
*** |
*** |
EXCELLENT: **** VERY GOOD *** GOOD: ** FAIR:
*
STANDARD INDUSTRY GRADES
FINISHED
Clear
Select and Better
#1 Common
#2 Common
UNFINISHED
Select & Better
#1 Common
STANDARD DIMENSIONS AVAILABLE
Thickness
25/32" (19.8 mm)
3/4" (19 mm)
Width
1 1/2" (38.10 mm)
1 3/4" (44.45 mm)
2" (50.80 mm)
2 1/4" (57.15 mm)
2 1/2" (63.50 mm)
3 1/4" (82.55 mm)
2 1/4" (57.15 mm)
2 1/2" (63.50 mm)
3 1/4 (82.55 mm)
TYPES OF FINISH AVAILABLE
High gloss
> 75% gloss
Semi-gloss
50-75% gloss
Matte
< 50% gloss
GRADE SPECIFICATIONS FOR HARDWOOD STRIP FLOORING
Standard grading allowance; maximum of 5% below the
actual grade. Also available in a combination of grades.
CLEAR
- Best appearance.
- Selected for uniformity of light color.
- Slight variation in the natural sapwood color (sticker
stain is not considered a defect).
- Limited small character marks.
- Pin knots allowed.
- Mineral streaks of less than 1/8" and 1"
(3 x 25 mm).
- No checks or splits.
- Minimum length: 12" (30 cm).
SELECT & BETTER
- Combination of clear and select grades.
- The most standard high grade hardwood flooring sold
on the world market.
- Excellent appearance.
- Variation in the natural sapwood color (sticker
stain is not considered a defect).
- Limited character marks.
- Sound knots of less than 1/8" (3 mm).
- Mineral streaks of less than 1/8" x 4"
(3 x 100 mm).
- No stains, checks, or splits.
- Minimum length: 12" (30 cm).
#1 COMMON
- Variegated appearance.
- All color variations allowed.
- Sound knots less than 3/8" (10 mm), flags,
worm holes and mineral streaks are allowed.
- No splits, holes or voids.
- Minimum length: 10" (25 cm).
#2 COMMON
- Rustic appearance.
- All color variations allowed.
- All characteristics of species allowed.
- A serviceable floor after knot holes, worm holes,
checks, splits, and other imperfections are filled
and finished.
- Minimum length: 10" (25 cm).
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