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Unit 5Unit 5Softwood and HardwoodSoftwood and Hardwood

Softwood and Hardwood Trees • Softwood Lumber • Softwood Lumber

Standards • Softwood Grading Systems • Grade Marks • Hardwood Lumber • Hardwood Grading System

Softwood and Hardwood Trees • Softwood Lumber • Softwood Lumber

Standards • Softwood Grading Systems • Grade Marks • Hardwood Lumber • Hardwood Grading System

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Softwood lumber comes from evergreen trees, which bear cones and have needle‑shaped leaves.

Softwood lumber comes from evergreen trees, which bear cones and have needle‑shaped leaves.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Hardwood lumber comes from broad‑leaved, deciduous trees, which lose their leaves in the fall.

Hardwood lumber comes from broad‑leaved, deciduous trees, which lose their leaves in the fall.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Redwood is commonly used for exterior applications, such as fences and siding, since it is decay-resistant.

Redwood is commonly used for exterior applications, such as fences and siding, since it is decay-resistant.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Dimension lumber is used for studs, plates, trusses, and other components that form the framework of a building.

Dimension lumber is used for studs, plates, trusses, and other components that form the framework of a building.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Timbers are heavy structural members and are commonly used for posts, beams, and stringers.

Timbers are heavy structural members and are commonly used for posts, beams, and stringers.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Appearance grade lumber is used to make interior molding.

Appearance grade lumber is used to make interior molding.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Appearance grade lumber, including redwood, is used for siding.

Appearance grade lumber, including redwood, is used for siding.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Finish appearance grades of redwood lumber may be used for interior paneling.

Finish appearance grades of redwood lumber may be used for interior paneling.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Concrete forms are commonly braced with 4 Common grade lumber.

Concrete forms are commonly braced with 4 Common grade lumber.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Grade marks stamped on lumber provide grading and other relevant information.

Grade marks stamped on lumber provide grading and other relevant information.

Unit 5 — Softwood and HardwoodUnit 5 — Softwood and Hardwood

Hardwood lumber has an attractive grain pattern and is commonly used for high-quality furniture and cabinets.

Hardwood lumber has an attractive grain pattern and is commonly used for high-quality furniture and cabinets.