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All About Roofs: Pitches, Trusses and Framing (page 2 of 2)

Learn about the basic types of pitched roofs and roof frame designs.

Excerpted from Do It Yourself Home Improvement

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Other Trussed Roof Frame Designs

Trusses are manufactured in many different designs. Some are designed for a particular type of roof type or to fulfill a particular structural need. Others are made to match a span. The trusses for shorter spans usually have fewer web members than the trusses intended for larger buildings. The truss types illustrated below offer just a sample of some of the more common types.

Scissor
Gives a vaulted or cathedral ceiling.

Scissor Trusses Give Vaulted or Cathedral Ceiling

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

Room-in-Attic
Provides a living space in the attic.

Room In Attic Trusses Give Living Space in Attic

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

Clerestory
A clerestory truss, pronounced "clear story," allows for a high wall with a band of narrow windows along the very top.

Clerestory Trusses Allow for Narrow Windows Across

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

Triple Howe
For very wide spans of 54 to 80 feet.

Triple Howe Trusses Used for Very Wide Spans

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

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Excerpted from Do It Yourself Home Improvement

© Dorling Kindersley Limited 2009

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