Interior door, exterior wood door, and black-framed window in a studio display

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Doors & Windows

Doors & Windows

Doors & Windows

Openings selected for performance and proportion.

Openings selected for performance and proportion.

Openings selected for performance and proportion.

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Capital Lumber Boise Doors & Windows building-material category icon

Doors & Windows

Doors & Windows

View Products Below

View Products Below

Interior Doors available from Capital Lumber in Boise

Interior Doors

Interior Doors

Made to order based on project specifications. Intended for bedrooms, closets, offices, and other interior openings. Available in pine, fir, mdf for interior door openings. Project orders typically require about 1–2 weeks.

Made to order based on project specifications. Intended for bedrooms, closets, offices, and other interior openings. Available in pine, fir, mdf for interior door openings. Project orders typically require about 1–2 weeks.

Standard + custom sizes

Standard + custom sizes

Exterior Doors available from Capital Lumber in Boise

Exterior Doors

Exterior Doors

Made to order based on project specifications. Designed for exterior entries where security and weather protection are required. Offered in fir, mahogany, fiberglass for exterior entry openings. Project orders typically require about 2–4 weeks.

Made to order based on project specifications. Designed for exterior entries where security and weather protection are required. Offered in fir, mahogany, fiberglass for exterior entry openings. Project orders typically require about 2–4 weeks.

Standard + custom sizes

Standard + custom sizes

Windows available from Capital Lumber in Boise

Windows

Windows

Made to order based on project specifications. Used for residential openings, replacements, additions, and new construction. Available in vinyl, aluminum-clad, wood for residential window openings. Project orders typically require about 2–5 weeks.

Made to order based on project specifications. Used for residential openings, replacements, additions, and new construction. Available in vinyl, aluminum-clad, wood for residential window openings. Project orders typically require about 2–5 weeks.

Project-specific sizing

Project-specific sizing

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.

Capital Lumber red tree mark and white wordmark.

© 2026 CAPITAL LUMBER CO., INC.

© 2026 CAPITAL LUMBER CO., INC.

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