MortarFlash® | Self-adhering Copper Flashing
MortarFlash™ Self-Adhering Copper flashing is a high-performance flashing designed for durability and ease of installation. It consists of a flexible 3oz., 5oz., or 7oz. sheet of Copper with a polymer fabric laminated to one side with butyl adhesive and a siliconized release liner, delivering best-in-class puncture and tear resistance. This product is engineered to withstand harsh environmental conditions, making it ideal for demanding construction applications.
Features
- Available Grades: 3oz. (Gray), 5oz. (Red), or 7oz. (Black)
- Performance: Meets all specifications for asphaltic copper fabric flashing
- Primer: Not required
- UV Stability: 90 days
- Workability: Flexible, easy to cut, and form by hand
- Sustainability: Made with 90% recycled content
Applications
- Through-wall flashing
- Transition membrane (air barriers, roofing, waterproofing)
- Jamb closure flashing
- Roof-to-parapet flashing
Compatibility
- Air barriers
- Spray polyurethane foam
- Insulation boards
- Below-grade waterproofing
- Roofing membranes
- Construction sealants
Sizes and Packaging
| THICKNESS | ROLL HEIGHT | ROLL LENGTH | ROLLS/BOX | SF/BOX | BOXES/PALLET |
| 3 oz. | 12″ | 25′ | 2 | 50 | 50 |
| 18″ | 2 | 75 | 30 | ||
| 24″ | 1 | 50 | 50 | ||
| 36″ | 1 | 75 | 30 | ||
| 5 oz. | 12″ | 2 | 50 | 50 | |
| 18″ | 2 | 75 | 30 | ||
| 24″ | 1 | 50 | 50 | ||
| 36″ | 1 | 75 | 30 | ||
| 7 oz. | 12″ | 2 | 50 | 50 | |
| 18″ | 2 | 75 | 30 | ||
| 24″ | 1 | 50 | 50 | ||
| 36″ | 1 | 75 | 30 |
Technical Data
| PROPERTY | TEST METHOD | RESULTS |
| Puncture | ASTM E154 | 3oz./540 – 5oz./780 – 7oz./850 |
| Tensile | ASTM D412 | 32,000 |
| Fire Resistant | ASTM E84 | Pass (class B) |
| Mold Resistant | ASTM D3273 | Pass |
| Recycled Content | 90% | |
| Recycled Material | Yes | |
| UV Exposure (days) | 90 | |
| Application | 20° – 170° F | |
| Membrane Stability | -70° – 250° F |
