What Sheathing is Best for Your Roof?: 1 Minute to Quick Roof Sheathing InsightsSarah ThompsonJun 10, 2025Table of ContentsPlywood Sheathing:Oriented Strand Board (OSB) Sheathing:Metal and Concrete Board Sheathing:FAQConclusionTable of ContentsPlywood SheathingOriented Strand Board (OSB) SheathingMetal and Concrete Board SheathingFAQConclusionFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeChoosing the right sheathing for your roof is crucial in ensuring its longevity and effectiveness. Roof sheathing, also known as roof decking, is the layer that provides support and shapes the roof structure. The common materials used for roof sheathing include plywood, oriented strand board (OSB), and even specialized materials like metal or concrete board. In this article, we will explore the benefits and drawbacks of each type of sheathing material, helping homeowners make informed decisions that enhance their roofing projects. Plywood Sheathing: Plywood is a popular choice due to its strength and resistance to water. It's made from layers of wood veneer, bonded together, which gives it durability. However, it's important to ensure it's the right thickness for your roofing needs, typically ranging from 5/8 inch to ¾ inch to support various roofing materials. Selecting the appropriate thickness can also help prevent sagging or warping, ensuring the longevity of your roof. Oriented Strand Board (OSB) Sheathing: OSB is often a more affordable option compared to plywood and offers similar structural support. It's made from strands of wood that are oriented in different directions and then bonded together. While it does absorb moisture more than plywood, proper sealing can mitigate this issue, making OSB a viable alternative for many residential roof applications. When choosing OSB, ensure it meets the standards set for structural use to maintain integrity over time. Metal and Concrete Board Sheathing: For specific applications or in regions with extreme weather, metal or concrete board might be recommended. They offer superior durability and resistance to fire, making them ideal for areas prone to wildfires or heavy storms. However, these materials can be overkill for typical residential needs. Evaluate your local weather conditions, budget considerations, and the potential impact on overall roofing weight when making your choice. Consultation with a structural engineer may also be beneficial to assess if these materials are necessary for your roofing project. FAQ Q: What factors should I consider when selecting roof sheathing?A: Consider the climate in your area, the slope of your roof, cost, and the specific requirements of your roofing materials. It’s essential to balance functionality and affordability while ensuring compliance with local building standards. Q: How much does roof sheathing typically cost?A: The cost can vary widely based on material and thickness but typically ranges from $10 to $30 per sheet. Additionally, consider the installation costs and potential long-term savings based on the durability of the chosen material. Conclusion Understanding the pros and cons of different roof sheathing materials is vital for building a roof that can withstand the elements while providing lasting protection for your home. Opting for high-quality materials tailored to your specific conditions can lead to better performance, lower maintenance costs, and peace of mind for years to come.Home Design for FreePlease check with customer service before testing new feature.