GAF Timberline HDZ Slate Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle ) Item #143172 | Model #GVL0124 32-Oz bottle contains 2 dosages

32-Oz bottle contains 2 dosages

It can be easily vented with PVC pipe and offers left or right utility connections

Because of the larger nylon net

5-INCH METAL TINES quickly break up soil for weeding

The Speed Square includes the Swanson Blue Book of rafter length and roof construction and features markings for using the Swanson one-number method of rafter layout

GAF Timberline HDZ Slate Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle ) Item #143172 | Model #GVL0124 32-Oz bottle contains 2 dosagesWe took our signature #1 selling shingle, Timberline HD, and transformed it by strengthening the common bond and creating the industrys 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