Description
Key Benefits
- Watertight seal with EPDM washers and gaskets for superior waterproofing
- Integrated alignment guides ensure precise installation on rafters
- High structural strength withstanding up to 715 lbs uplift and 705 lbs downforce
- Durable Galvalume flashing and aluminum L-foot for long-lasting performance
- Stainless steel hardware resists corrosion for enhanced durability
- UL 2703 listed bonded L-foot ensures electrical continuity in PV arrays
- Fully tested for waterproofing and structural integrity under harsh conditions
Best Uses
Tech Specs
| Spec | Value |
|---|---|
| Part Number | 4000156 (Mill Finish) |
| Roof Type | Composition / Asphalt Shingle |
| Flashing Material | Galvalume (Mill Finish) |
| L-Foot Material | Aluminum |
| Hardware Material | Stainless Steel |
| Finish | Mill |
| Roof Connection | 5/16″ × 3″ Stainless Steel Lag Screw |
| Compatibility | CrossRail 44-X, 48-X, 48-XL, 80 |
| Max Allowable Uplift | 715 lbs |
| Max Allowable Downforce | 705 lbs |
| Max Allowable Shear | 400 lbs |
| Weight | 0.926 lb |
| Waterproof Testing | UL 441 Section 27 Rain Test; TAS 100-95 Wind Driven Rain Test; Full Submersion Test |
| Structural Testing | ASTM D 1761-12 |
| Bonding | UL 2703 Listed L-Foot |
| Kit Quantity | 20 per box |
Warranty
Important: Warranty terms may vary based on installation conditions and system configuration. See manufacturer documentation for full details.
More Info
The K2 Flash Comp Kit Mill Finish is engineered as a complete roof attachment solution specifically for composition and asphalt shingle roofs, ensuring a watertight and structurally secure mounting for photovoltaic systems.
Its Galvalume flashing combined with an aluminum L-foot and stainless steel hardware provides a durable and corrosion-resistant assembly designed to withstand harsh environmental conditions.
The kit features EPDM sealing washers and gaskets that create a superior waterproof seal, preventing leaks and protecting roof integrity.
Integrated alignment guides simplify installation by helping installers precisely position the flashing along chalk lines and secure solid rafter connections.
This product has undergone rigorous waterproof testing including UL 441 Section 27 rain test, TAS 100-95 wind-driven rain test, and full submersion testing to ensure reliable performance under extreme weather.
Structurally, the kit supports up to 715 lbs uplift, 705 lbs downforce, and 400 lbs shear load, meeting stringent industry standards for safety and durability.
The bonded L-foot is UL 2703 listed, providing electrical bonding continuity required for photovoltaic arrays, enhancing system safety.
K2 Systems, the manufacturer, is a German-based specialist known worldwide for high-quality solar mounting solutions with a focus on durability, customization, and efficient assembly.
This kit is compatible with multiple CrossRail systems (44-X, 48-X, 48-XL, 80), making it versatile for various residential and commercial PV installations.





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