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Your Options

Choose By The Type Of Plywood You Need

Durable Exterior Sheathing

CDX Plywood

OSB rough plywood
  • Thickness: 11/32”, 15/32”, 19/32”, 23/32” Square Edge and Tongue & Groove.
  • Pressure-treated CDX Plywood Sizes: 1/2″ and 3/4″
  • Applications: Sheathing, subflooring, roofing, concrete formwork
Cabinet-Grade Panels

AC Plywood

AC cabinet grade plywood
  • Thickness: 1/4″, 11/32”, 15/32”, 19/32” 23/32”.
  • Applications: Furniture, cabinet-grade plywood, shelving, and general construction.
Protective Floor Base

Underlayment Plywood

Underlayment plywood
  • Thickness: 5.2MM, 1/4″, 1/2″, 3/4″
  • Types: Plywood underlayment, fiber cement board, cork, foam
  • Applications: Beneath flooring materials (tile, laminate, vinyl).
Only The Best

Brands We Carry

Engineered Subfloor System

Advantech

Advantech Lumber - Subflooring in Attic

Finally, a subfloor assembly that works as hard as you do. Engineered with long-lasting strength, moisture resistance and nail-holding power, AdvanTech subflooring is the brand builders trust for a quality subfloor.

  • Thickness: 3/4 inch.
  • Application: subflooring, roof decking.
  • Special features: high moisture resistance, superior strength.
Learn More
Advanced Wall Sheathing

Zip System™

ZIP System Lumber - Residential Home on Lake

ZIP System™ building enclosures provide built-in water, air and thermal control along with streamlined installation. This makes it easy for structural and sealing products to meet highest standards, satisfy new energy codes and build better homes.

  • Thickness: 7/16″
  • Sizes: 48×98″ 48×108″
  • Applications: Sheathing with integrated water and air barrier (when used with Zip System products)
  • Special features: Integrated WRB, airtight seal (when used with Zip System products)
Learn More
Premium PVC Trim

PVC - Royal Sheet Board

PVC Royal Sheetboard

Royal® Sheet Board offers versatile and creative possibilities for your exterior trim projects. Crafted from premium PVC, this durable material is perfect for creating custom shapes, widths, and unique moulding designs. Resistant to moisture, rot, and insects, Royal® Sheet Board ensures lasting beauty and minimal maintenance for your home’s exterior.

  • Thickness: 1/2″, 3/4″
  • Applications: Exterior trim, moulding, millwork
  • Special features: Moisture resistant, low maintenance, paintable
FAQ

Questions About Plywood At Allegheny Millwork & Lumber

Do you have hardwood plywood readily available?

Yes, we do! Hardwood plywood is a type of plywood made from high-quality hardwood veneers that are glued together to create a strong and durable panel. It is important because it is a versatile building material that is used in a wide range of applications, including furniture construction, cabinetry, flooring, and interior paneling.

Do you have Baltic birch plywood?

Yes! Baltic birch plywood is a specific type of plywood that is made from thin sheets of birch wood veneer. It is known for its high quality and durability, with layers of birch veneer stacked together and bonded with a strong adhesive.

What is cabinet grade plywood, and do you have it in stock?

Allegheny Millwork & Lumber has cabinet grade plywood. It is a high-quality type of plywood that is specifically designed for use in cabinetry and other interior woodworking projects. It is usually made from hardwood veneers and has a smooth, consistent surface that is free from knots and other imperfections. We are your source for hard-to-find species and sizes through our special-order process.

How is plywood graded for moisture resistance? 

Plywood is graded for moisture resistance based on the type of adhesive used to bond the layers of wood veneer together. There are several different grades of plywood that are specifically designed to be more resistant to moisture and humidity.

What are the standard sizes of your plywood?

48” x 96” all, plus Zip System has additional sizes.

What grades of plywood do you carry?

ACX, CDX,  RC, VC, domestic & imported product options.

What types of finishes do you offer for plywood?

Sanded for wood products. All others are smooth.

Do you offer plywood with specific sustainability certifications?

All plywood is sustainable.

What is the difference between interior and exterior plywood?

Exterior grade plywood has exterior adhesives in the laminate.

Do you have delivery options for plywood?

We deliver all products to job sites & homes.

How should plywood be treated or finished for different uses?

All our plywood products can be painted, all hardwood plywoods can be painted, clear coated or stained.

 

Select Your Style

Choose By Veneer/Material Type

Versatile & Durable

Birch

  • Thickness: 1/4″, 1/2″, 3/4″
  • Applications: Cabinetry, furniture, crafts, flooring
Elegant & Sturdy

Maple

  • Thickness: 1/4″, 1/2″, 3/4″
  • Applications: Cabinetry, furniture, millwork
Lightweight & Easy

Poplar

  • Thickness: 1/4″, 1/2″, 3/4″
  • Applications: Furniture, cabinetry, molding, trim
Rich Texture

Red Oak

  • Thickness: 1/4″, 1/2″, 3/4″
  • Applications: Flooring, cabinetry, furniture
Shop Specialties

Specialty Boards We Carry

Smooth & Paintable

MDO (Medium Density Overlay)

  • Thickness: 1/2-inch, 3/4 inch
  • Application: Signage, exterior applications, concrete forms, millwork, interior sheathing options
  • Special features: Smooth surface, paintable
For Detailed Woodworking

MDF (Medium Density Fiberboard)

  • Thickness: 1/4-inch, 1/2 inch, 3/4 inch
  • Application: Cabinetry, furniture, millwork, moldings
  • Special features: Smooth, paintable surface, easy to machine
Pre-Finished & Easy-To-Clean

Melamine

  • Thickness: 3/4 inch
  • Application: Cabinetry, shelving, furniture
  • Special features: Pre-finished, easy to clean, durable surface
Strong & Economical

OSB (Oriented Strand Board)

  • Thickness: 11/32”, 15/32”, 19/32”, 23/32” tongue & groove
  • Application: Sheathing, subflooring, roof decking, projects
Premium Quality

Hardwood Plywood

  • Types: Maple, oak, birch, walnut, cherry, etc.
  • Thickness: 1/4-inch, 1/2-inch, 3/4 inch
  • Application: Cabinetry, furniture, flooring, millwork
Custom Solutions

Specialty Grades We Carry

Engineered For Maximum Strength

Structural Grade Plywood

Designed for load-bearing applications with consistent strength and durability. Often used in construction for subfloors, walls, and roofs.

Water Resistant & Long Lasting

Exterior Grade Plywood

Bonded with waterproof glue, suitable for outdoor use. Used for exterior applications such as siding, soffits, and outdoor furniture.

Smooth Surfaces

Sanded Plywood

Sanded on one or both sides for a smoother finish. Commonly used in projects where appearance is important, such as furniture and cabinetry.

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Kitchen and Bath Team
About Us

Why Builders Recommend Allegheny Millwork & Lumber

Our reputation for quality and excellence is why you should choose Allegheny Millwork & Lumber.  Our staff is highly knowledgeable and friendly.  We will help guide you through the myriad products when you are building or renovating your home.

From building materials to fine finishes, we have you covered.  Beautiful doors create a welcoming entrance to your home.  Crystalline windows and gargantuan patio doors can grace your property, framing the view and keeping you protected from the elements.  Our experts can help you make the decisions when choosing what is right for you.  No project is too big or too small.  Come see why the best contractors in Pittsburgh have been using Allegheny Millwork & Lumber for the last 40 years.

With over 350 moulding profiles in stock, we can adorn your windows and doors, ceilings, walls, and floors with quality woodwork to put your own stamp on the project at hand.  We can also match existing millwork to complete your historical renovation.

Additionally, we will help you design the kitchen of your dreams.  We encourage you to make an appointment in our 10,000 square feet design showroom.  You can also visit our virtual showroom by clicking on the link to the right  We hope to see you soon!