Choose By Sheet Size/Thickness
Sheet Sizes
- 4 feet x 8 feet (1220 mm x 2440 mm)
- 4 feet x 9 feet (1220 mm x 2745mm)
- 4 feet x 10 feet (1220 mm x 3050 mm)
Thicknesses
- 1/4 inch (6 mm)
- 3/8 inch (9 mm)
- 1/2 inch (12 mm)
- 5/8 inch (15 mm)
- 23/32 inch (18mm)
- ¾ inch (19mm)
- 7/8 inch (22 mm)
- 1 inch (25 mm)
- 1 & 1/8 inch (28 mm)
Questions About Oriented Strand Board At Allegheny Millwork & Lumber
Oriented Strand Board (OSB) is made from flakes of wood that are oriented in specific directions and bonded together with adhesives. The strands of wood are layered in cross-oriented patterns to enhance strength and durability.
How does OSB compare to plywood?
When choosing between plywood or OSB, the biggest considerations are appearance, cost, and moisture resistance. Plywood is generally chosen for its smoother appearance and superior moisture resistance, however, OSB is generally more affordable.
Is OSB environmentally friendly?
OSB uses smaller, fast-growing trees and overall, requires less wood to construct compared to plywood, making it environmentally friendly in many ways.
How is OSB plywood graded for moisture resistance?
OSB plywood is graded 1-4, OSB/1 being the least moisture resistant, and OSB/4 being the most moisture resistant.
Can OSB be painted or stained?
Yes! However, OSB should be properly sealed and primed after painting or staining.
How should plywood be treated or finished for different uses?
For exterior uses, OSB plywood should be waterproofed or painted to protect it against. elements
For interior uses, sanding, priming, painting, or staining is recommended to avoid the roughness and splinters of OSB plywood. This is also recommended if the plywood is being used for furniture or cabinetry.
Specialty OSB Types
Fire Retardant
Fire retardant OSB is treated with fire-resistant chemicals for use in buildings with building codes such as schools or hospitals.
Radiant Barrier
Radiant Barrier OSB has a reflective layer of foil on one side to reflect radiant heat, improving energy efficiency.
Tongue & Groove
The edges of the tongue and groove OSB are machined to fit together like joints and are often used for sub-flooring to create a stable and even surface.
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Our Team is Here to Help!
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!
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