Toll Free: 800-274-2409 | Toll Free Fax: 800-876-6376

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 (For higher temperatures, see our Silicone Residential Master Flash)
  • Approved for Type B installations
  • Fits up to 40º roof pitch
  • Not for hot-mopped
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
20 Year Limited 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.

Contact:

We treat all our customers like family and provide that personal touch.

Phone

800-274-2409

Fax

800-876-6376

8951 Yahweh Rd, Olive Branch, MS 38654
Toll Free: 800-274-2409 | Toll Free Fax: 800-876-6376
Master Flash®, Residential Master Flash®, and Retrofit® are registered trademarks of Aztec Washer Company.