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Measuring the roof squares for pricing

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Hey folks  just wondering if anyone has ever used roof scope X or iRoofing Services to measure a roof by Satellite for finding out the number of roofing Squares for Accurate pricing?

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Here is a real simple  no cost way. Use Google Earth,  measure areas to be cleaned.  then use the following conversion for pitch of roof.  this will give you the total squares.

 

Slope Factors:  When scaling a roof size from a drawing, multiply the roof area X by the slope factor = total area

 

        2/12 Roof Area x 1.0147 = total area without waist

 3/12 Roof Area x 1.031 = total area without waist

 4/12 Roof Area x 1.054 = total area without waist

 5/12 Roof Area x 1.083 = total area without waist

 6/12 Roof Area x 1.118 = total area without waist

 7/12 Roof Area x 1.158 = total area without waist

 8/12 Roof Area x 1.202 = total area without waist

 9/12 Roof Area x 1.250 = total area without waist

10/12 Roof Area x 1.302 = total area without waist

11/12 Roof Area x 1.357 = total area without waist

12/12 Roof Area x 1.413 = total area without waist

 

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