GAF Timberline HDZ Mission Brown Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle ) Item #5386029 | Model #96900-421 0% Surface Water Runoff Toxicity

0% Surface Water Runoff Toxicity and Meets all EPA regulated SWPPP/NPDES Requirements

Razor-thin design reduces loss of material

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Coverage figures do not include loss due to surface irregularities and porosity or material loss due to application method or mixing

GAF Timberline HDZ Mission Brown Algae Resistant Architectural Roof Shingles ( 33.33-sq ft per Bundle ) Item #5386029 | Model #96900-421 0% Surface Water Runoff ToxicityWe 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,