FIR

Douglas Fir, Western USA
Application: Exterior: pergolas, trellises, cladding & joinery
Interior: posts & beams
Preparation: S4S & rough sawn, kiln dried, rot & decay (clear) and fire treatment
Grades: #2 & Better (American Softwood Lumber Standard PS 20)
Dimensions: Common Framing: 2x4” (38x89mm) to 2x12” (38x286mm)
Timbers and Beams: S4S up to 12x16”
LEED Credits: MR 5.1 + MR 5.2 (location dependent), MR 7.0
Cost: 1/2 that of tropical Meranti timber
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 SYP

Southern Yellow Pine, Southeastern USA
Application: Exterior: piers, walkways, pilings, pergolas, trellises, cladding & joinery Interior: structural framing, posts & beams, flooring
Preparation: S4S & rough sawn, kiln dried, easily treated for rot & decay (ACQ, CCA) and fire treatment
Grades: #3 & Better (American Softwood Lumber Standard PS 20)
Dimensions: Common Framing: 2x4” (38x89mm) to 2x12” (38x286mm)
Timbers and Beams: S4S up to 12x16”
LEED Credits: MR 5.1 + MR 5.2 (location dependent), MR 7.0
Cost: 1/2 that of tropical Meranti timber
 SPF

Spruce-Pine-Fir, Northern USA & Canada
Application: Exterior: general formwork
Interior: structural framing
Preparation: S4S and rough sawn, kiln dried, rot and decay (clear) and fire treatment
Grades: #3 & Better (American Softwood Lumber Standard PS 20)
Dimensions: Common Framing: 2x4” (38x89mm) to 2x12” (38x286mm)
LEED Credits: MR 5.1 + MR 5.2 (location dependent), MR 7.0
Cost: Approximately 1/3 of tropical Meranti timber
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 CEDAR

Western Red, Western USA & Canada
Application: Exterior: pergolas, trellises, cladding & joinery
Preparation: S4S and rough sawn, kiln dried, rot and decay (clear)
Grades: #3 & Better (American Softwood Lumber Standard PS 20 & NLGA)
Dimensions: 1x4” (18x89mm) to 4x8” (89x190mm)
LEED Credits: MR 5.1 + MR 5.2 (location dependent), MR 7.0
Cost: Approximately 2/3 of tropical Meranti timber
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Timber Products - Dimensional Lumber