Our tried and tested
quality: reliable.
A - VEH grade | B - VEH grade | |
|
| |
Moisture content | On delivery (12 +/- 2 %) or as agreed in order
| On delivery (12 +/- 2 %) or as agreed in order |
Permissible knots | * intergrown knot up to at most 1/4 of section width
| * intergrown knots up to at most 1/2 of section width |
Impermissible knots | Loose and missing knots
| Loose and missing knots |
Permissible cracks | End cracks at most 30 mm long; in 20 % of items no longer than width of board. | Discontinuous, provided overall impression |
Impermissible cracks | Visible,continuous cracks; ring shakes
| Visible,continuous cracks; ring shakes |
Pith | Up to 20 % of total quantity at most 1/2 of board length
| Up to 30 % of total quantity |
Reaction wood (tension | Scattered occurences permissible provided overall | Permissible |
Spiral or warped growth | Scattered occurences permissible provided proper, | Permissible provided proper, workmanlike laying is not obstructed |
Resin pockets | Permissible up to 0.5 x 5 cm in small numbers in part of supply. | Permissible up to 1 x 10 cm in small numbers in part of supply |
Ingrown bark | Permissible: scattered occurences (small)
| Permissible: scattered occurences |
Insect/fungus attack
| Impermissible | Impermissible |
Blue stain, discoloration
| Impermissible | Slight blue stain is permissible. |
Woodworking | Exposed surface planed cleanly, underside | Slight blue stain is permissible. |
