SFSRC-6Q Conc.Roof CleanerW/Sprayer, 32oz Spray & Forget | Spray & Forget Roof Surface Cleaner, Net Content: 32 oz, Liquid, Odor/Scent: Orange, Clear/Yellow, Compositions: Quaternary Ammonium Compounds, Benzyl-C12-16-alkyldimethyl, Chlorides, 600 sq-ft Coverage Area, Specific Gravity: 0.959, Boiling Point: >99.9 deg F, Flash Point: 124 deg F, VOC Content: 7.5 %, pH Range: 9.17, Density: 8.003