Georgia-Pacific DensDeck Prime Roof Board, 5/8 in. x 4 ft. x 4 ft.
Regular price $1,197.90DensDeck Prime 5/8 in. Roof Board (4x4)
Engineered glass-mat faced gypsum roof board designed for superior adhesion with a wide range of roofing systems. Ideal as a cover board for adhered and self-adhered membranes, modified bitumen, and single-ply applications, delivering strength, uniform adhesive application, and reliable fire and wind performance.
Key Features:
- Enhanced Adhesion: Face mat formulation promotes uniform adhesive application and stronger bonds with many roofing adhesives.
- Versatile Compatibility: Suitable for adhered/self-adhered, hot-mopped, cold mastic, and torch-applied modified bitumen and single-ply systems.
- Installation Efficiency: Can reduce adhesive/mastic usage and may eliminate the need for field primer, lowering installed cost.
- Durable Construction: Glass-mat faced gypsum core provides rigidity and impact resistance for long-term roof performance.
- Code Compliant: Meets ASTM C1177 with UL 790/1256 classifications, FM Class 1 approvals, and Florida/Miami-Dade approvals.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Product Name | 5/8" x 4' x 4' DensDeck Prime Roof Board |
| Brand | Georgia Pacific |
| Thickness | 5/8" (15.9 mm) |
| Length | 4' (1219 mm) |
| Width | 4' (1220 mm) |
| Item Weight | 40.8 lb |
| Style / Category | Roofing Insulation / Roof Cover Board |
| Applicable Standards/Approvals | ASTM C1177; CE Certified; UL 790, 1256 Classification; FM Class 1 Approvals; Florida Building Code; Miami-Dade County Approved |
| Manufacturer Number | DDP 5/8X4X4 |
| Product Number | GPC58DDP4 |
Frequently Asked Questions (FAQ):
Q: What are the board dimensions and thickness?
A: Each panel measures 4 ft. x 4 ft. with a 5/8 in. thickness.
Q: Can this be used under single-ply membranes?
A: Yes. It is designed for adhered and self-adhered single-ply systems and demonstrates strong adhesive bonds.
Q: Does it require a primer?
A: The enhanced face mat can potentially eliminate the need for field primer depending on the adhesive and system specification.
Q: What standards and approvals does it meet?
A: ASTM C1177; UL 790 and 1256 classifications; FM Class 1 approvals; Florida Building Code; Miami-Dade County approval.
Q: What is the typical weight per board?
A: Approximately 40.8 lb per 4 ft. x 4 ft. panel.
A Sleek, Structural Foundation for High-Performance Roofscapes
With its crisp, graphite-gray face and solid profile, this board brings a tailored precision to the roof plane. The enhanced surface is the quiet hero—inviting adhesives to glide and grip with confidence. Pair it with a clean single-ply membrane to create a refined, modern silhouette from curb to skyline. It’s a smart, luxurious underpinning that elevates both performance and presence.
Choose DensDeck Prime 5/8 in. to streamline installation, boost adhesion, and deliver code-compliant roof performance with confidence.
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