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Graphical Construction Glossary >> Roofs and roofing. >> Roof Features >> valley
Directly under the roof surface intersection lies the valley rafter. The angle between two sloping roof surfaces is known as the dihedral angle. Click the link for a description of how to obtain it. In roofing this angle is better known as the hip backing angle, or the hip or valley flashing angle. In a regular roof, that is one that has the same pitch on all roof faces the two angles are identical at the hip and the valley. When the roof pitch is shallow particular care should be taken with the valley-gutter or flashing as they can cause problems with leaks inside the house. If you didn't find exactly what you are looking for try this search tool that will search the site and the web. "What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience? "When we build, let us think that we build for ever."John Ruskin 1819-1900 |
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Please Note! The information on this site is offered as a guide only! When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area. It could be out of date! Regulations breed faster than rabbits! You must check your own local conditions. Copyright © Bill Bradley 2007-2012. All rights reserved. 
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