OSB vs Plywood: Which Should You Use for Your DIY Build?
By Graham Mann | Published: 11/1/2025
Explore the differences between OSB and plywood to choose the best material for your DIY project, considering cost, moisture resistance, and durability.
OSB vs Plywood: Which Should You Use for Your DIY Build? When deciding between OSB and plywood for your DIY project, it boils down to your budget, project type, and environmental conditions. Here’s the quick takeaway: - OSB: Cheaper and works well for dry, indoor projects like subflooring or wall sheathing. However, it’s heavier and less resistant to moisture, making it unsuitable for wet or humid areas. - Plywood: Costs more upfront but offers better moisture resistance, edge stability, and durability. It’s ideal for roofs, exterior walls, or areas prone to dampness. Quick Comparison Table: OSB vs Plywood | Feature | OSB | Plywood | |---| --- |---| | Cost | Lower | Higher | | Moisture Resistance | Swells when wet | Maintains shape when exposed to water | | Weight | Heavier | Lighter | | Ease of Cutting | Can splinter in spots | Cleaner cuts, easier to handle | | Best Uses | Dry climates, budget-friendly builds | Humid areas, long-term durability | For most projects, OSB is a budget-fr...
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