EnergyGuard ™ A Smarter Polyiso Cover Board for Stronger, More Efficient Roof System
We’re excited to share a high-performance solution designed specifically for low-slope, mechanically attached, or induction-welded single-ply roofing systems: EnergyGuard ™ HD-MA Polyiso Cover Board. This innovative board delivers exceptional strength, superior R-value, and faster installation, making it a smart upgrade for your next project.
Why Contractors and Designers Choose EnergyGuard ™ HD-MA
• Highest R-Value in its Class (2.5) — outperforming non-polyiso boards of the same thickness
• High Compressive Strength — 80 psi minimum, up to 109 psi maximum
• Ultra-Lightweight — approx. 9 lb per 4′ x 8′ sheet, dramatically lighter than gypsum alternatives
• Easy to Install — cuts cleanly, handles easily, and saves labor time
• Durable Protection — ideal for improving resistance to hail, foot traffic, and overall system performance
Panel Specs
- 1/2″ thickness
- 4′ x 8′ sheets
- 48 pieces per bundle
Sustainability Advantages
- Manufactured with EPA-compliant blowing agents (no CFCs/HCFCs)
- Zero ozone depletion potential & negligible global warming potential
- Potential LEED credit contribution
- Compliant with applicable state HFC regulations (details at polyiso.org)
- Industry Environmental Product Declaration (EPD) available

If you’re looking for a cover board that improves performance without adding unnecessary weight or labor, EnergyGuard ™ HD-MA is an excellent fit.
Let us know if you’d like samples, pricing, or a project consultation—we’re here to help.
Congress Associates has decades of experience supporting the roofing and building envelope industry and centers around successfully partnering with organizations & individuals across the industry while supporting a variety of product lines that will best meet your project’s demands.





