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Standards
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| The construction of Engineered Solid doors gives it the consistency and durability of a solid wood door while ensuring its stability over the years. Our current selection of veneers include: Ash, Beech, Birch, Chinese Mahogany, Chinese Walnut, Clear Pine, Hemlock, Knotty Pine, Mongolian Scotch Pine, Red Oak, Sapele and White Oak. |
| Item |
Remarks |
| Surface Quality of Veneers |
1- Naturally harmonious colour variation among surfaces of stiles, rails, mullions and panels is allowed.
2- All surfaces to be levelled and smooth.
3- All joints to be flush.
4- Ungluing or glue bubbles on door's surface are not allowed.
5- Dead knots, wormholes, rot or cracks on door's surface are not allowed.
6- Glue contamination, oil contamination or scratches on door's surface are not allowed.
7- Dents to be no deeper than 0.5 mm . |
| General Quality Standards |
1- Moisture content = 8-10%.
2- Core and veneers are of the same wood type.
3- Thickness of edge strips and end caps to be no less than 8mm thick.
4- Veneers to be 2.5 -3.0 mm thick.
5- Core material can be finger jointed and laminated with no restriction on colour variation.
6- Dead knots, wormholes, rot or cracks are not allowed.
7- Glue laminating of edge strips and end caps on to stiles and rails is allowed.
8- Glue laminated joints to be tight and firm.
9- Panels can be glue laminated but not finger jointed. If panel width is = 300 mm up to 3 glue laminated pieces are allowed to make up the width of the panel. If 301 mm = panel width = 400 mm , up to 4 pieces are allowed. If panel width is = 400 mm , up to 6 pieces are allowed.
10- Toughened glass to be 6mm thick, bevelled on all four sides of one surface. Bevel length: 30mm . Glass must be fixed tightly and be free of defects such as cracks, scratches, unevenness and dents. |
| Item |
Remarks |
| Live Knots |
Sapwood |
Black Lines |
Glue Laminating |
Finger Jointing |
Rails Surface Quality
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2, = 6mm in diameter
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= 20% of surface area |
2, ≤ 1mm in width
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Allowed on veneers |
Not allowed |
| Stiles & Mullions Surface Quality |
4, = 6mm in diameter
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3, ≤ 1mm in width |
| Panels Surface Quality |
3, = 6mm in diameter |
3, ≤ 1mm in width |
Allowed* |
* Panels can be glue laminated but not finger jointed. If panel width is ≤ 300 mm up to 3 glue laminated pieces are allowed to make up the width of the panel. If 301 mm ≤ panel width ≤ 400 mm, up to 4 pieces are allowed. If panel width is ≥ 400 mm, up to 6 pieces are allowed.
| Allowable Tolerances |
| Item |
Tolerance (mm) |
Measuring Tool |
Length
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+1.0/-1.0
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Tape measure (accuracy 1.0 mm) |
| Width |
+1.0/-1.0 |
Tape measure (accuracy 1.0 mm) |
| Thickness |
+2.0/-1.5 |
Callipers (accuracy 0.02 mm) |
| Diagonal Length Difference |
+2.0/-1.5 |
Tape measure (accuracy 1.0 mm) |
| Lengthwise Warping |
1.0 max |
Ruler and guide (accuracy 1.0 mm) |
| Symmetric Difference |
1.0 max |
Tape measure (accuracy 1.0 mm) |
| Dent Depth |
0.5 max |
Filler gauge |
| Moisture Content |
8-10% |
Moisture metre |
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