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