Gray-primed engineered lap siding and cedar siding profiles arranged in a studio fan

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Siding

Siding

Siding

Wood, composite, and engineered exterior cladding.

Wood, composite, and engineered exterior cladding.

Wood, composite, and engineered exterior cladding.

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Capital Lumber Boise Siding building-material category icon

Siding

Siding

View Products Below

View Products Below

6" - TruWood Old Mill Lap Siding stocked at Capital Lumber in Boise, Idaho

6" - TruWood Old Mill Lap Siding

6" - TruWood Old Mill Lap Siding

Old Mill Textured

Old Mill Textured

6" - TruWood Old Mill Lap Siding is an engineered wood profile with Old Mill textured face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

6" - TruWood Old Mill Lap Siding is an engineered wood profile with Old Mill textured face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

8" - TruWood Old Mill Lap Siding stocked at Capital Lumber in Boise, Idaho

8" - TruWood Old Mill Lap Siding

8" - TruWood Old Mill Lap Siding

Old Mill Textured

Old Mill Textured

8" - TruWood Old Mill Lap Siding is an engineered wood profile with Old Mill textured face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

8" - TruWood Old Mill Lap Siding is an engineered wood profile with Old Mill textured face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

12" - TruWood Old Mill Lap Siding stocked at Capital Lumber in Boise, Idaho

12" - TruWood Old Mill Lap Siding

12" - TruWood Old Mill Lap Siding

Old Mill Textured

Old Mill Textured

12" - TruWood Old Mill Lap Siding is an engineered wood profile with Old Mill textured face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

12" - TruWood Old Mill Lap Siding is an engineered wood profile with Old Mill textured face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

12" - TruWood Smooth Lap Siding stocked at Capital Lumber in Boise, Idaho

12" - TruWood Smooth Lap Siding

12" - TruWood Smooth Lap Siding

Smooth

Smooth

12" - TruWood Smooth Lap Siding is an engineered wood profile with smooth face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

12" - TruWood Smooth Lap Siding is an engineered wood profile with smooth face. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

8" - TruWood Sure Lock Lap Siding stocked at Capital Lumber in Boise, Idaho

8" - TruWood Sure Lock Lap Siding

8" - TruWood Sure Lock Lap Siding

Old Mill Textured

Old Mill Textured

8" - TruWood Sure Lock Lap Siding is an engineered wood profile with Old Mill texture; concealed-nail profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

8" - TruWood Sure Lock Lap Siding is an engineered wood profile with Old Mill texture; concealed-nail profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

12" - TruWood TwelveSix Cottage Lap stocked at Capital Lumber in Boise, Idaho

12" - TruWood TwelveSix Cottage Lap

12" - TruWood TwelveSix Cottage Lap

Old Mill Textured

Old Mill Textured

12" - TruWood TwelveSix Cottage Lap is an engineered wood profile with Old Mill texture; two-course profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

12" - TruWood TwelveSix Cottage Lap is an engineered wood profile with Old Mill texture; two-course profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

16" - TruWood Cottage Lap - 3 Course stocked at Capital Lumber in Boise, Idaho

16" - TruWood Cottage Lap - 3 Course

16" - TruWood Cottage Lap - 3 Course

Old Mill Textured

Old Mill Textured

16" - TruWood Cottage Lap - 3 Course is an engineered wood profile with Old Mill texture; three-course profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16" - TruWood Cottage Lap - 3 Course is an engineered wood profile with Old Mill texture; three-course profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

16" - TruWood Cottage Lap - 4 Course stocked at Capital Lumber in Boise, Idaho

16" - TruWood Cottage Lap - 4 Course

16" - TruWood Cottage Lap - 4 Course

Old Mill Textured

Old Mill Textured

16" - TruWood Cottage Lap - 4 Course is an engineered wood profile with Old Mill texture; four-course profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16" - TruWood Cottage Lap - 4 Course is an engineered wood profile with Old Mill texture; four-course profile. Capital Lumber confirms it is stocked at the Boise yard; call to verify current quantity, exact dimensions, and project requirements.

16′

16′

SPECIFICATION HELP

Not sure what

to specify?

Not sure what

to specify?

Not sure what

to specify?

Start with the conditions, not the brand. The yard can narrow the products from there.

Start with the conditions, not the brand. The yard can narrow the products from there.

Start with the conditions, not the brand. The yard can narrow the products from there.

01 / APPLICATION

01 / APPLICATION

Where it will be installed, what it supports, and how it will be exposed narrow the right product.

Where it will be installed, what it supports, and how it will be exposed narrow the right product.

02 / SPECIFICATION

02 / SPECIFICATION

Nominal size, actual dimensions, grade, treatment, span, and code requirements should match the plan.

Nominal size, actual dimensions, grade, treatment, span, and code requirements should match the plan.

03 / LOGISTICS

03 / LOGISTICS

Quantity, lead time, pickup, delivery access, and job sequence determine how the order should be staged.

Quantity, lead time, pickup, delivery access, and job sequence determine how the order should be staged.

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© 2026 CAPITAL LUMBER CO., INC.

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