Timber | Romanian Standard
Technical Specifications
Romanian Standard
TIMBER
A-grade Timber Specifications
| Description: | Best quality that can be processed in beech logs. |
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| Uniform appearance on all four sides | |
| The resulting parts don’t have knots or red heart | |
| Storage or processing defects or signs of mold or insect holes are not allowed | |
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| Utility: | A-grade quality timber is used for furniture, windows, doors, trim frames, table tops panels, railings and steps for stairs, parquet floors and interior decoration and handicraft products. |
B-grade Timber Specifications
| Description: | Allows trace of healthy hearts that do not affect the appearance and use of wood |
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| Uniform appearance on three sides | |
| Allows a node on one side of the piece | |
| Storage or processing defects or signs of mold or insect holes are not allowed | |
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| Utility: | B-grade timber quality is used for furniture, windows, doors, trim frames, panels for table tops, railings and stair treads, parquet flooring and interior decoration and handicraft products. |
C-grade Timber Specifications
| Description: | Admits healthy red hearts but not more than 30% – 40% of the width |
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| Knots under 10 mm diameter are not taken into account and what is accepted over that diameter is one single healthy node at a length of 2 meters. | |
| All nodes allowed do not pierce the piece and do not affect the durability, stability and machinability of wood. | |
| Storage or processing defects or signs of mold or insect holes are not allowed | |
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| Utility: | C-grade quality timber can be used for: construction, furniture, doors, windows, handicraft products, toys, parquet floors, steps for stairs and railings |
Notes:
The minimum diameter is measured at the narrow, bark-free end.
When measuring the wood, for each 1 metre, 1 cm of length.
When the 30-39 diameter beech log is measured, 1 cm of bark will be subtracted from the measured value.
When more than 40 cm diameter beech log is measured, 2 cm of bark will be subtracted from the measured value.
