Cover Board Options for TPO Roof Systems: 1 Minute to Understand the Best Choices for Your TPO RoofSarah ThompsonJun 16, 2025Table of Contents1. Compounded Gypsum Board2. Polyisocyanurate Cover Boards3. Wood Fiber Board4. Steel or Aluminum Panels5. FAQTable of Contents1. Compounded Gypsum Board2. Polyisocyanurate Cover Boards3. Wood Fiber Board4. Steel or Aluminum Panels5. FAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeWhen installing a TPO roof, choosing the right cover board is crucial for enhancing durability and energy efficiency. A cover board serves as an added layer of protection, aiding in moisture management and providing a stable surface for insulation and membrane attachment. This decision significantly impacts the overall performance and longevity of your roofing system.In this article, we will explore some of the best cover board options for TPO roofing systems, helping you make an informed choice that aligns with your project’s specific needs and requirements.1. Compounded Gypsum BoardCompounded gypsum boards are a popular choice due to their fire resistance and structural strength. These boards work seamlessly with TPO membranes, providing excellent wind uplift resistance, which is essential for areas prone to high winds. Additionally, their lightweight composition allows for easy handling during installation, making them a practical solution for roofing professionals.2. Polyisocyanurate Cover BoardsFor enhanced thermal performance, polyisocyanurate cover boards are ideal for TPO roofs. These boards boast a high R-value, meaning they provide outstanding insulation properties. When used beneath TPO membranes, they can help reduce energy costs significantly and maintain a comfortable indoor temperature throughout the year, thus contributing to sustainable building practices.3. Wood Fiber BoardWood fiber boards offer a sustainable and eco-friendly option for environmentally conscious builders. These boards provide good thermal insulation and sound absorption, making them ideal for residential and commercial applications. Their ease of cutting and installation adds to their versatility, accommodating various roof configurations and designs.4. Steel or Aluminum PanelsFor ultimate durability, consider utilizing steel or aluminum cover boards. These materials are inherently resistant to moisture, pests, and extreme weather conditions, making them an excellent choice for commercial buildings located in harsh climates. Their exceptional fire resistance and longevity further enhance the overall reliability and maintenance-free attributes of your roofing system.5. FAQQ: What is the purpose of a cover board in a TPO roof system?A: A cover board adds durability, improves energy efficiency, and provides a stable surface for the roofing membrane, ensuring optimal performance.Q: How do I choose the best cover board for my TPO roof?A: Consider factors like thermal performance, moisture resistance, fire ratings, and local environmental conditions when selecting a cover board for your TPO roofing project.Home Design for FreePlease check with customer service before testing new feature.