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Common Terms
| Manufactured Wood Products |
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GluLam |
Glued Laminated Timbers |
Billets (large blocks) of smaller timbers bonded parallel with strong, waterproof adhesives for greater strength. |
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Plywood |
Plywood |
Sheets of sliced thin veneers of wood glued together in alternating directions. |
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LSL |
Laminated Strand Lumber |
Billets (large blocks) of logs that are reduced to thin strands up to 12 inches long and then bonded with adhesive. |
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LVL |
Laminated Veneer Lumber |
Billets (large blocks) of veneers that are rotary peeled, dried and laminated together in the same direction under heat and pressure with an adhesive. |
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OSB |
Oriented Strand Board |
Sheets of timber wafers that are pressed together in mostly the same direction under heat and pressure with an adhesive. |
| Visually-Rated Stress-Rated Lumber Grades of Dimensional Lumber |
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DSS |
Dense Select Structural |
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SS |
Select Structural |
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#1D |
No. 1 Dense |
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#1 |
No. 1 |
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#2D |
No. 2 Dense |
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#2 |
No. 2 |
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#3 |
No. 3 |
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For more information, visit Timber.org.au, or APAwood.org. | 
Eastern Building