Quality Standards for Wood Doors
Machining of all parts: +/- 0.5 mm tolerance
Cracking - not allowed
Chipping - no noticeable chipping on visible surfaces
Dents - not allowed
Laminations in centre panel - 38 mm (1.5”) - 102 mm (4”) in width with smaller strips kept to the outside
Putty repair - areas no greater than 2 mm in width and 5 mm in length will be allowed
Tolerances
Warp
1mm (1/16”) allowed on rails or stiles measuring 45.7 cm (18”)
2mm (3/32”) allowed on rails or stiles measuring 46 cm – 102 cm
3mm (1/8”) allowed on rails or stiles measuring longer than 102 cm
Twist
Twist on doors measuring 56 cm X 122 cm (22” X 44”) or equivalent will not exceed 3 mm
(1/8”) – doors exceeding that measurement will not have twist exceeding 4mm (3/16”)