Roof size - Cleaning Talk - Professional Cleaning and Restoration Forum
 
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post #1 of Old 07-26-2006, 03:39 AM Thread Starter
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Roof size

I found this in the research I did a few years back when I started doing roofs thought it would help some others. Can't remimber where I got it from. But it is accuate.
For slopes of *****multiple the area by
4:12 ***************1.054
6:12 ***************1.118
8:12 ***************1.202
10:12 **************1.302
12:12 **************1.414


The slope of the roof is expressed as Rise:Run. A 4:12 roof rises 4 units vertically for each 12 units horizontally. This can be reasonably estimated by holding a ruler or tape measure at arms length while viewing the roof from the ground (from a distance, so that the angle up to the roof is not effecting the apparent ratio).




Bruce Stanley
Stanley Pressure Wash Service, LLC.
Florence, Alabama

Last edited by Bruce Stanley; 07-26-2006 at 05:17 AM.
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post #2 of Old 07-26-2006, 07:06 AM
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Very helpful, thanks. I always muliplied by 1.3, I guess it was close. I also know of some who suggested multiplying by 1.5 according to your info that would be way to much.

Barry Maddox
Midwest Pro Wash
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post #3 of Old 07-28-2006, 09:36 AM
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hey thats good i usually just look at the sq footage of a home and guess the rest .... i never really looked that deep into trying to figure the actual square footage i just did it by size and difficulty
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post #4 of Old 07-28-2006, 09:53 AM
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Someone should write a quick calculator for that. It would probably be pretty easy.

Nathan

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post #5 of Old 07-28-2006, 10:30 PM
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post #6 of Old 07-29-2006, 12:08 AM
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"Naught times naught is naught.
Naught times one is naught.
Naught times two is..."
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post #7 of Old 07-29-2006, 07:28 AM
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post #8 of Old 09-20-2012, 08:22 AM
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Very beneficial, thanks. I always muliplied by 1.3, I think it was near. I also know of some who recommended growing by 1.5 according to your details that would be way to much.

Our services include installing and repairing roofs, gutters. and exterior sidings. We work extensively with Insurance companies, homeowners, and developers to strive and deliver the highest quality in Atlanta Roofing construction services.
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