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Re: minimum allowable roof pitchFrom: info@builderswebsource.com
Category: Roofing
Remote Name: 63.198.181.43
Date: 08 Feb 2003
Time: 09:22 PM
CommentsYou must check with your local building department to determine whether there are any regional restrictions on minimum roof pitch. However, assuming the structure is properly designed to handle expected snow loads, even flat roof designs may be permitted. Typically, a minimum of one-quarter inch per foot of slope is required to ensure that water drains from the roof. However, for both practical and aesthetic reasons, a roof pitch of 4 in 12 is more typical of the minimums we like to see. In snowy areas, even steeper pitches are recommended, such as 6 in 12 or greater, to encourage snow to fall off while minimizing accumulation on the roof. In any case, the important part is to ensure a water-tight structure designed with the proper live and dead load ratings for your area. Your local building department can give you these design specifications based on your location. Builders Websource
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