DensDeck Prime 1/2" Roof Board (4x4)

Glass-mat faced gypsum roof board engineered for superior adhesion with modern roofing systems. Ideal for adhered and self-adhered membranes, modified bitumen, and hot-mopped or cold-applied applications, delivering consistent adhesive coverage and improved bond strength.

Key Features:

• Enhanced Adhesion: Face mat optimized for uniform adhesive application and stronger bonds
• Versatile Compatibility: Works with adhered, self-adhered, hot-mopped, cold mastic, torch-applied modified bitumen, and single-ply systems
• Material Strength: Glass-mat faced gypsum core resists damage and helps create a robust roofing assembly
• Installation Efficiency: Potentially reduces adhesive/mastic usage and may eliminate field primer
• 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:

Frequently Asked Questions (FAQ):

Q: What are the board dimensions and thickness?
A: It measures 4 ft x 4 ft with a 1/2 in (12.7 mm) thickness.

Q: Which roofing systems is it compatible with?
A: Designed for adhered and self-adhered membranes, hot-mopped, cold mastic, and torch-applied modified bitumen, as well as single-ply systems.

Q: Does it require a field primer?
A: Enhanced face mat may eliminate the need for a field primer depending on adhesive manufacturer guidance.

Q: What performance benefit does the enhanced face mat provide?
A: Testing with solvent-based adhesives showed an average of 24% better bond compared to the original product.

Q: What standards and approvals does it carry?
A: ASTM C1177; UL 790/1256; FM Class 1; Florida Building Code; Miami-Dade County Approved.

A refined, resilient layer for modern roof design

The DensDeck Prime Roof Board introduces a sleek, tailored foundation that elevates the rooftop into a meticulously composed surface. Its enhanced face mat is the quiet hero, ensuring adhesives glide on with precision for a flawless finish. Pair it with clean-lined single-ply membranes to underscore a contemporary silhouette. This board is a discreet essential—bringing durability and polish to luxurious, performance-driven exteriors.

Choose DensDeck Prime to streamline installation and achieve stronger, code-compliant roofing performance.

Warranty

Installation