G300 Ice & Water
Product Description
TopShield® G300 Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid resistance properties.
Benefits & Features
- Skid-Resistant Surface: Enhanced grip for improved footing, reducing the risk of slips during installation.
- Easy Installation: The release film peels off effortlessly, simplifying handling and application.
- Durable Exposure: 30-day exposure limit ensures the underlayment can withstand temporary exposure to the elements without compromising its performance.
- Versatile Adhesion: Bonds directly to concrete, plywood, and gypsum sheathing, providing a secure base for shingles.
- Self-Sealing: Effectively seals around nails, preventing moisture penetration and enhancing waterproofing protection.
- Fortified Roof™ qualified
Specifications
Specifications
For Use On
- To protect a building’s deck or internal structure against leaks caused by ice and water damming and wind-driven rain. It is highly effective in critical roofing areas such as valleys, ridges, coping joints, chimneys, vents, dormers, skylights and low-slope sections.
| PHYSICAL INFORMATION | |
| Item Code (Bagged 2 sq) : | TOPLB730100 |
| Item Code (Boxed 1 sq) : | TOPLB730250 |
| Item Code (Boxed 2 sq) : | TOPLB730300 |
| Roll Length: | 65' |
| Roll Width: | 36" |
| Weight: | 60 lb |
| Tensile Strength, MD: | 25 lbf/in |
| Ultimate elongation, MD: | 25 lbf/in |
| Tear Resistance, MD & XMD: | 20 lbf |
| Flexibility Temperature: | -20° F |
| Adhesion to Plywood, (75°F): | 15 lb/ft of width |
| Adhesion to Plywood, (40°F): | 2 lb/ft of width |
| Thermal Stability, Max: | 0.1 inch |
| Moisture Vapor Permeance: | 0.10.1 U.S. Perms (max) |
| Slip Resistance: | Pass |
Applicable Standards & Approvals
- ASTM D 1970
- ICC-ES ESR-2116
- Miami-Dade Approved
- Florida Building Code Approved