Choose the panel for the assembly—not just the thickness.
Confirm where the sheet will be used, its exposure, span rating, face grade, and required thickness before comparing panels.
Plywood & OSB

1/4" ACX Plywood
1 A face / 1 C face
The thin 1/4-inch ACX panel is useful for paint-grade skins, cabinet backs, templates, and curved or layered work where stiffness is not the main requirement. Its sanded A face gives finish work a cleaner starting surface. Contact the yard to confirm the panel stamp, exposure rating, current quantity, and suitability for the project.
4′ × 8′ · 1/4″ actual

3/8" ACX Plywood
1 A face / 1 C face
The 3/8-inch ACX panel adds modest stiffness for light cabinet panels, soffit work, wall skins, and paint-grade utility surfaces. Its sanded A face gives finish work a cleaner starting surface. Contact the yard to confirm the panel stamp, exposure rating, support spacing, and current quantity.
4′ × 8′ · 3/8″ actual

1/2" ACX Plywood
1 A face / 1 C face
The 1/2-inch ACX panel balances manageable weight with useful rigidity for cabinet sides, built-ins, wall panels, and general paint-grade sheet work. Its sanded A face gives finish work a cleaner starting surface. Contact the yard to confirm the panel stamp, exposure rating, support requirements, and current quantity.
4′ × 8′ · 1/2″ actual

3/4" ACX Plywood
1 A face / 1 C face
The rigid 3/4-inch ACX panel suits shelves, cabinet cases, work surfaces, and substantial paint-grade assemblies. Its sanded A face gives visible finish work a cleaner starting surface. Contact the yard to confirm the panel stamp, exposure rating, support requirements, and current quantity.
4′ × 8′ · 3/4″ actual

3/8" - CDX Plywood
1 C face / 1 D face
The 3/8-inch CDX panel is a light rated-sheathing option for walls or roofs only where its stamp, span rating, and framing spacing permit. Its Exposure 1 bond is intended to tolerate construction delays, not permanent weather exposure. Stocked for in-store pickup; verify the panel mark and application before building.
4′ × 8′ · 3/8″ actual

1/2" - CDX Plywood
1 C face / 1 D face
The 1/2-inch CDX panel is a familiar rated-sheathing thickness for walls and roofs when the panel stamp and framing layout support the assembly. Its Exposure 1 bond is intended to tolerate construction delays, not permanent weather exposure. Stocked for in-store pickup; verify the span rating and application before building.
4′ × 8′ · 15/32″ actual

5/8" - CDX Plywood
1 C face / 1 D face
The 5/8-inch CDX panel adds stiffness for roof, wall, or subfloor sheathing where its stamp and support spacing permit. Its Exposure 1 bond is intended to tolerate construction delays, not permanent weather exposure. Stocked for in-store pickup; verify the span rating and application before building.
4′ × 8′ · 19/32″ actual

3/4" - CDX Plywood
1 C face / 1 D face
The 3/4-inch CDX panel is the stiffest stocked option in this group for substantial roof, wall, or subfloor sheathing where the stamp permits. Its Exposure 1 bond is intended to tolerate construction delays, not permanent weather exposure. Stocked for in-store pickup; verify the span rating and application before building.
4′ × 8′ · 23/32″ actual

7/16" - OSB Sheathing Panel
Structural sheathing
The 7/16-inch OSB panel is a common wall-sheathing choice and may serve in rated roof assemblies when its stamp and framing spacing allow. Oriented strands give the panel consistent structural performance across framing packages. Stocked for in-store pickup; verify the span rating, strength axis, fastening, and exposure requirements.
4′ × 8′ · 7/16″ actual

15/32" - OSB Sheathing Panel
Structural sheathing
The 15/32-inch OSB panel adds a little more thickness for rated wall and roof sheathing assemblies. Oriented strands give the panel consistent structural performance across framing packages. Stocked for in-store pickup; verify the span rating, strength axis, fastening, and exposure requirements.
4′ × 8′ · 15/32″ actual

3/4" - OSB Tongue & Groove
Tongue & groove / Subfloor
The 3/4-inch tongue-and-groove OSB panel is a practical subfloor or roof-deck option where its stamp and support spacing permit. Interlocking long edges reduce the need for blocking and help adjacent panels share loads. Stocked for in-store pickup; verify span rating, fastening, adhesive, and finish-floor requirements.
4′ × 8′ · 23/32″ actual

7/8" - OSB Sheathing T&G
Tongue & groove / Subfloor
The thicker 7/8-inch tongue-and-groove OSB panel provides a stiffer deck for subfloors or roofs designed around its span rating. Interlocking long edges reduce the need for blocking and help adjacent panels share loads. Stocked for in-store pickup; verify fastening, adhesive, support spacing, and finish-floor requirements.
4′ × 8′ · 7/8″ actual

1-1/8" - OSB Sheathing T&G
Tongue & groove / Subfloor
The heavy 1-1/8-inch tongue-and-groove OSB panel is intended for demanding floor or roof decks that call for a thick, stiff structural panel. Interlocking long edges reduce the need for blocking and help adjacent panels share loads. Stocked for in-store pickup; verify the span rating, fastening, adhesive, and assembly design.
4′ × 8′ · 1-1/8″ actual

5/8" - OSB Sheathing Panel
Structural sheathing
The 5/8-inch OSB panel provides added stiffness for rated roof, wall, or subfloor assemblies where the panel stamp allows. Oriented strands give the panel consistent structural performance across framing packages. Stocked for in-store pickup; verify the span rating, strength axis, fastening, and exposure requirements.
4′ × 8′ · 19/32″ actual

7/16" ZIP OSB Sheathing Panel
Structural 1 / Integrated WRB
The 7/16-inch ZIP System panel combines structural wall sheathing with an integrated air- and water-resistive barrier. When seams and penetrations are detailed with the approved ZIP System accessories, it can streamline enclosure weatherization. Stocked for in-store pickup; follow Huber’s installation instructions and verify the required wall assembly.
4′ × 8′ · 7/16″ actual

3/4″ - AdvanTech Subflooring
Tongue & groove / Subfloor
AdvanTech high-performance subflooring is stocked or available through Capital Lumber in Boise for residential and light-commercial floor systems. Its engineered wood construction is intended to provide a stiff, durable subfloor platform. Contact Capital Lumber to confirm the panel thickness, tongue-and-groove profile, current inventory, and project quantities.
4′ × 8′ · 3/4″ actual

7/16″ - LP WeatherLogic Structural Sheathing
Structural I / Integrated WRB
LP WeatherLogic structural sheathing combines an OSB structural panel with an integrated air and water barrier for exterior wall and roof assemblies. Capital Lumber can confirm the stocked performance category, panel thickness, compatible seam tape, current inventory, and quantities required for your Boise-area project.
4′ × 8′ · 7/16″ actual

3/4" - CDX Tongue & Groove UDL
Tongue & groove / UDL
Tongue-and-groove CDX plywood panel stocked by Capital Lumber. Call to confirm current sheet inventory and intended application.
48" x 96"

1/2" - Pressure-Treated CDX Plywood
Pressure Treated
The 1/2-inch pressure-treated CDX panel is a lighter option for moisture-exposed wall sheathing, enclosures, and exterior construction where the treatment and panel stamp match the assembly. Confirm the preservative, use category, span rating, fasteners, and project requirements before purchase.
4′ × 8′ · 15/32″ actual

3/4" - Pressure-Treated CDX Plywood
Pressure Treated
The stiffer 3/4-inch pressure-treated CDX panel suits substantial moisture-exposed decks, platforms, sheathing, and exterior assemblies where the treatment and panel stamp match the design. Confirm the preservative, use category, span rating, fasteners, and project requirements before purchase.
4′ × 8′ · 23/32″ actual

1/2" - Interior Fire-Treated CDX Plywood
Interior Fire Treated
The 1/2-inch interior fire-treated CDX panel is intended for wall, ceiling, and concealed assemblies that specifically call for this thickness and treatment. Fire performance belongs to the tested assembly, not the panel alone. Verify the required rating, listing, fasteners, and local code before purchase.
4′ × 8′ · 15/32″ actual

3/4" - Interior Fire-Treated CDX Plywood
Interior Fire Treated
The 3/4-inch interior fire-treated CDX panel adds stiffness for rated interior assemblies that specifically call for a thicker structural panel. Fire performance belongs to the tested assembly, not the panel alone. Verify the required rating, listing, span, fasteners, and local code before purchase.
4′ × 8′ · 23/32″ actual

1/8" - Tempered Hardboard
Tempered
Thin tempered hardboard panel stocked by Capital Lumber for smooth interior panel and fabrication applications.
48" x 96"

1/4" - Tempered Hardboard
Tempered
Tempered hardboard panel stocked by Capital Lumber for smooth interior panel and fabrication applications.
48" x 96"
SPECIFICATION HELP
01 / APPLICATION
Where it will be installed, what it supports, and how it will be exposed narrow the right product.
02 / SPECIFICATION
Nominal size, actual dimensions, grade, treatment, span, and code requirements should match the plan.
03 / LOGISTICS
Quantity, lead time, pickup, delivery access, and job sequence determine how the order should be staged.
