The most common roof style is the pitch roof and the building is usually
divided at the center which is the apex.
The pitch roof is the easiest to calculate though I won't bore you with
details, but you can ask your contractor for the size of each roofing
sheet except you are using longspan aluminium roofin sheet which can be
cut to exact lenght of the roof.
 
To make fast calculation, measure the length of the side of building let
say 'x', measure the breadth 'y'. To get an approximate surface area we
will add an arbitrary value for the difference in length due to the pitch
or depth of roof. And read all----

http://www.buildingcontractorsecrets.com/2008/08/how-to-calculate-numbers-of-roofing.html

@thirdeye,

Pls keep it coming.

Hello,

We are a manufacturer of colorful stone coated metal roofing tile in China.

Be partners with us and you will be assured of competitive prices, high quality, prompt delivery and exceptional service.

Contact us today.

Best Regards,
Jack
Elliott Industry Limited China
Email:jackmingtian@gmail.com
T:+86 574-5511-9897
M:+86 139-6735-3991
Zhenhai Industrial Park, Ningbo City, China

roofingtiles:
Hello,

We are a manufacturer of colorful stone coated metal roofing tile in China.

Be partners with us and you will be assured of competitive prices, high quality, prompt delivery and exceptional service.

Contact us today.

Best Regards,
Jack
Elliott Industry Limited China
Email:jackmingtian@gmail.com
T:+86 574-5511-9897
M:+86 139-6735-3991
Zhenhai Industrial Park, Ningbo City, China

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