Johns Manville DensDeck Prime Gypsum Cover Board — 1/4 in. Thick, 4 ft x 4 ft
DensDeck Prime 1/4 in. Gypsum Roof Cover Board (4x4)
Coated-facer gypsum cover board engineered for fully adhered commercial roofing systems. Delivers broad adhesive compatibility and durable protection over insulation while meeting key fire and performance approvals.
Key Features:
- Adhesive-Friendly Facer: Coated fiberglass facer enhances bond strength with a wide range of roofing adhesives.
- Durable Protection: Adds impact and puncture resistance over insulation to extend roof system life.
- Trusted Approvals: UL Classified, FM Approved, Miami-Dade County Approved for code-driven projects.
- Fire and Mold Performance: Manufactured to ASTM C1177 and non-combustible per ASTM E136.
- Jobsite Ready Size: 1/4 in. thickness in a manageable 4 ft x 4 ft board for easier handling.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Product name | DensDeck Prime Gypsum Cover Board |
| Thickness | 1/4 in |
| Dimensions | 4 ft x 4 ft |
| Unit of measure | PC (piece); SQ note present in data |
| Approximate weight | 18 lb per board |
| Approvals/Certifications | UL Classified; FM Approved; Miami-Dade County Approved |
| Standards | ASTM C1177; ASTM E136 |
| Style/Category | Roofing Insulation |
| Manufacturer number | 70004311 |
| Product number | JMC14DDP4 |
Frequently Asked Questions (FAQ):
Q: What are the board dimensions and thickness?
A: This variant is 4 ft x 4 ft and 1/4 in. thick.
Q: Is it suitable for fully adhered systems?
A: Yes, the coated fiberglass facer is designed for excellent compatibility with common roofing adhesives used in fully adhered membranes.
Q: What approvals does it have?
A: It is UL Classified, FM Approved, and Miami-Dade County Approved.
Q: Which ASTM standards apply?
A: It meets ASTM C1177 and is non-combustible per ASTM E136.
Q: How much does a board weigh?
A: Approximately 18 lb per piece for this 4x4, 1/4 in. board.
A Quiet Shield for High-Performance Roofscapes
DensDeck Prime introduces a refined layer of calm beneath the roofline, delivering strength with a sleek, coated surface. The fiberglass facer is the understated hero, ensuring a confident bond that keeps the assembly crisp and true. Pair it with a dark, monolithic membrane to heighten that tailored, architectural silhouette. It’s a discreet essential that elevates durability into an expression of modern luxury.
Choose DensDeck Prime today for a cleaner bond, tougher roof, and code-ready performance on your next project.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
DensDeck Prime 1/4 in. Gypsum Roof Cover Board (4x4)
Coated-facer gypsum cover board engineered for fully adhered commercial roofing systems. Delivers broad adhesive compatibility and durable protection over insulation while meeting key fire and performance approvals.
Key Features:
- Adhesive-Friendly Facer: Coated fiberglass facer enhances bond strength with a wide range of roofing adhesives.
- Durable Protection: Adds impact and puncture resistance over insulation to extend roof system life.
- Trusted Approvals: UL Classified, FM Approved, Miami-Dade County Approved for code-driven projects.
- Fire and Mold Performance: Manufactured to ASTM C1177 and non-combustible per ASTM E136.
- Jobsite Ready Size: 1/4 in. thickness in a manageable 4 ft x 4 ft board for easier handling.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Product name | DensDeck Prime Gypsum Cover Board |
| Thickness | 1/4 in |
| Dimensions | 4 ft x 4 ft |
| Unit of measure | PC (piece); SQ note present in data |
| Approximate weight | 18 lb per board |
| Approvals/Certifications | UL Classified; FM Approved; Miami-Dade County Approved |
| Standards | ASTM C1177; ASTM E136 |
| Style/Category | Roofing Insulation |
| Manufacturer number | 70004311 |
| Product number | JMC14DDP4 |
Frequently Asked Questions (FAQ):
Q: What are the board dimensions and thickness?
A: This variant is 4 ft x 4 ft and 1/4 in. thick.
Q: Is it suitable for fully adhered systems?
A: Yes, the coated fiberglass facer is designed for excellent compatibility with common roofing adhesives used in fully adhered membranes.
Q: What approvals does it have?
A: It is UL Classified, FM Approved, and Miami-Dade County Approved.
Q: Which ASTM standards apply?
A: It meets ASTM C1177 and is non-combustible per ASTM E136.
Q: How much does a board weigh?
A: Approximately 18 lb per piece for this 4x4, 1/4 in. board.
A Quiet Shield for High-Performance Roofscapes
DensDeck Prime introduces a refined layer of calm beneath the roofline, delivering strength with a sleek, coated surface. The fiberglass facer is the understated hero, ensuring a confident bond that keeps the assembly crisp and true. Pair it with a dark, monolithic membrane to heighten that tailored, architectural silhouette. It’s a discreet essential that elevates durability into an expression of modern luxury.
Choose DensDeck Prime today for a cleaner bond, tougher roof, and code-ready performance on your next project.
