Learn the different parts of common roofing structures and the types of roof designs.
More in Home Improvement
© 2007 Dorling Kindersley Limited
A valley is used if the external walls of the home turn an internal corner. It is designed to direct water down towards its intersection point, and then the water runs down the valley and off the roof.
We sent a note to our support staff about the glitch you just experienced. Please click the button below to reload your content.
10 Unique Ideas for Wedding Guest Books 10 Photos
10 Mediterranean-Inspired Outdoor Spaces 10 Photos
DIY Weddings: Table Setting Ideas 8 Photos
6 Simple DIY Headboards 6 Photos
Guide to Creating a Country Kitchen 3 Photos
DIY Weddings: Menu Ideas and Recipes 11 Photos
© 2013 Scripps Networks, LLC. All Rights Reserved.