GNC Series – Galvanized Base Roof Flashings
- Hot dipped galvanized steel, chemically treated
- 26 gauge-G90 zinc coating
- Corrosion resistant
- A.S.T.M. A 653/A 653M
- Premium Elastomeric Collar
- Excellent ozone resistance
- Improved UV resistance
- Collar rated 180ºF continuous heat
- Approved for Type B installations
- Fits up to 40º roof pitch
- Not for hot-mopped or built-up applications
- Made in the USA
For higher temperatures, see our Silicone Residential Master Flash
| Part | Pipe Size | Base Size | Ctn Wt. |
|---|---|---|---|
| GNC15 | 1-1/4’’-1-1/2’’ | 8-3/4” x 12-5/8’’ | 9# |
| GNC20 | 2’’ | 8-3/4’’ x 12-5/8’’ | 9# |
| GNC30 | 3’’ | 10-3/4’’ x 14-1/2’’ | 7# |
| GNC40 | 4’’ | 11-3/4’’ x 15-1/2’’ | 14# |
| GN123 | 1-1/4’’-2’’-3’’ | 10-3/4’’ x 14-1/2’’ | 13# |
| GN340 | 3’’- 4’’ | 11-3/4’’ x 15-1/2’’ | 15# |
12 per carton
Warranty for the life of the roof.
Warranty and suggested installation sheet inside every carton.
*Using petroleum based mastics, sealing compounds or paints on all collars will void warranty on this page.