Grades and Dimensions

Sawn timber and dimensions

The table shows the most common cross-sectional dimensions of sawn timber. In addition to these, dimensions to fully meet the customer’s needs are made. In this case, we are talking about customer spesific dimensions. 

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Terminology

Grades

Pine and spruce sawn timber based on quality characteristics.

The Nordic Grading Book contains the basic principles of sawn timber sorting. However, because wood is a living material, there are always small regional and sawmill-specific variations.

Spruce

Grade U/S

U/S is the highest main grade, which includes falling share of sub-grades U/S I – U/S IV from the production. Of these U/S I is the highest.

Pine

Grade U/S

U/S is the highest main grade, which includes falling share of sub-grades U/S I – U/S IV from the production. Of these U/S I is the highest.

Spruce

Grade V

Falling grade V at the grading of the production. Not divided into sub-grades.

Pine

Grade V

Falling grade V at the grading of the production. Not divided into sub-grades.

Spruce

Grade VI

Falling grade VI at the grading of the production. Not divided into sub-grades.

Pine

Grade VI

Falling grade VI at the grading of the production. Not divided into sub-grades.

Spruce

Grade VII

No numerical values are given for Grade VII. All features contained in a piece of sawn timber are permitted. The sawblade must have touched the main part of all the sides of the piece. 

Pine

Grade VII

No numerical values are given for Grade VII. All features contained in a piece of sawn timber are permitted. The sawblade must have touched the main part of all the sides of the piece. 

properties of pine

The heartwood is impermeable to water

The surface wood is very permeable to water

Resin evenly in the wood

Long branchless part in the trunk

The dry-branched trunk also contains healthy branches

The basal tree is denser than the top tree

The wood density of the branch is low, the branch grows at right angles to the core of the trunk

effects in use

Inherent rot and insect resistance

Good saturability, suitable for outdoor use

Protects wood from moisture and heat

Surface and side boards low-branched / branchless

The inner inserts of medium goods are usually healthy

The sawn timber from the base is strong

Easy planing

pine

Trunk parts and applications.

Contact

Inquiry

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Wood from Finland is a national promotion program for Finnish sawn timber operated by Business Finland and Finnish Sawmill Association.

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