Securock 1/4-in Gypsum-Fiber Roof Board (4x4)
High-performance USG Securock gypsum-fiber roof board engineered for low-slope roofing systems. Its fiber-reinforced, uniform core delivers strength, water resistance, and reliable adhesion across adhered systems.
Key Features:
- Fiber-Reinforced Strength: Uniform composition provides durability through the core with no facer to delaminate
- Low Water Absorption: Designed for superior bond and reduced moisture uptake in adhered roofing systems
- High Wind-Uplift Ratings: Consistent core construction supports robust performance in approved assemblies
- Sustainable Content: Manufactured with 97% recycled material for environmentally conscious projects
- Versatile Compatibility: Suitable for single-ply, fluid-applied, spray foam, built-up, metal, and modified bitumen roofs
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
| Thickness | 1/4 in (6.4 mm) |
| Length | 4 ft (1220 mm) |
| Width | 4 ft (1220 mm) |
| Material | Gypsum-fiber (facer-free, fiber-reinforced uniform composition) |
| Certifications/Approvals | UL Classified; FM Approved; LEED; SCS Global Services Certified |
| Standards | ASTM D3273; ASTM C1278; ASTM E84 |
| Intended Use | High-performance roof board for low-slope roofing systems |
| Compatible Roofing Systems | Single-ply; Fluid-applied; Spray foam; Built-up; Metal; Modified bitumen |
| Recycled Content | 97% recycled material |
| Item Weight | 27 lb per sheet |
| Style | Roofing Insulation |
| Manufacturer Product Number | USG14SR4GF |
| Manufacturer Number | 61050410 |
Frequently Asked Questions (FAQ):
Q: What roofing systems is this board compatible with?
A: Single-ply, fluid-applied, spray foam, built-up, metal, and modified bitumen systems.
Q: Is the board moisture resistant?
A: Yes. Its uniform gypsum-fiber core provides water resistance and low absorption to enhance adhesion.
Q: Does it have third-party approvals?
A: Yes. It is UL Classified and FM Approved, and meets ASTM D3273, ASTM C1278, and ASTM E84; also recognized for LEED and SCS certifications.
Q: What are the panel dimensions and thickness?
A: 1/4 inch thick, 4 feet by 4 feet.
Q: What is the weight of a sheet?
A: Approximately 27 lb per sheet.
Quiet Strength for Confident Roof Design
This gypsumfiber board brings a refined rigor to the roofscapesleek, understated, and unwavering. The uniform, facerfree core is the hero, ensuring a smooth, resilient substrate that performs beautifully beneath any membrane. Pair it with clean metal edge details and a monochrome membrane for a crisp, architectural silhouette. Its an essential layer of stability and poise for truly elevated, modern envelopes.
Choose Securock Gypsum-Fiber Roof Board today for a strong, moisture-resistant substrate that elevates performance across your low-slope roofing system.
Warranty
Installation
