81710 - GB31™ Multi-Size 3N1® Galvanized Steel Base Roof Flashings

Item # - 81710

Furnish and install roof vent flashing with 24 gauge galvanized steel base, fitted with adjustable, multi-size elastomer collar. Unit shall be Water-Tite item number checked below as manufactured by IPS Corporation, as per corresponding dimensional characteristics, or equivalent.

Finish: Galvanized Steel
UPC: 012181817100
Length: 14.5"
Width: 10.75"
Height: 2.13"
Prop65 Warning: Cancer and Reproductive Harm. For more information: https://www.P65warnings.ca.gov
Minimum Order Quantity: 20
Shipping:  27 lbs.


  • Usable up to a 21/12 roof pitch for 1 1/2'' and 2'' pipe and up to 14/12 for 3'' pipe
  • 24-Gauge Galvanized Base
  • Multi-Size 3 N 1® Flashing Fits 1 1/4'' - 3'' Vent Pipe
  • Tested For Ultraviolet, Ozone, And Weather Resistance
  • Approved For Type ''B''Installations
  • Elastomer Collar Heat Tested To 180°F
  • Limited Lifetime Warranty For The Life Of The Current Roof System

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