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  Topic Review (Newest First)
09-20-2012 08:22 AM
garyluther 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.
07-29-2006 07:28 AM
russ s naught squared
07-29-2006 12:08 AM
Thad "Naught times naught is naught.
Naught times one is naught.
Naught times two is..."
07-28-2006 10:30 PM
russ s whats a calculator????? we just scipher
07-28-2006 09:53 AM
Nathan Someone should write a quick calculator for that. It would probably be pretty easy.
07-28-2006 09:36 AM
russ s 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
07-26-2006 07:06 AM
Barry M 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.
07-26-2006 03:39 AM
Bruce Stanley
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).

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