Roofgenius.com Roof calculator, calculates a detail list of roof materials, and a complete estimate. Two ways to determine roof pitch. Offers tips and how to's on roofing. Roof pitches that can be walked Roof pitches you can walk on Do not attempt to walk on these roofs on any pitch. Moss on a roof that is wet from dew or recent rain. Frost, snow or ice on the roof. What roof pitch …
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