GAF Timberline HDZ Barkwood Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle ) Item #1064501 | Model #103959 Water and dust resistant with

Water and dust resistant with rating of IP42

The adjustable feature allows you to safely enjoy fresh air by securing your door in an open position

Each piece is 9/16-in thick x 4-1/4-in wide x 8-ft long

The brass stem measures 3/8 inches with an extra 5/16 inch brass stem included

and system start-up must be done by a certified technician

GAF Timberline HDZ Barkwood Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle ) Item #1064501 | Model #103959 Water and dust resistant withWe took our signature #1 selling shingle, Timberline HDZ, and transformed it by strengthening the common bond and creating the largest nailing zone. Timberline HDZ Shingles have the same renowned Timberline quality and performance you know and love, with improved nailing accuracy and installation efficiency! Timberline HDZ Shingles are easy and fast to install, with an incredible 99. 9% nail placement accuracy! A great value, architecturally stylish,