House Long Span Roof Design

It may consist of a flat roof on top but the main design element is the multi pitch sloped in what is essentially a hip roof on top of another hip frame.

House long span roof design.

Continuing on from part 3. Near the top is a very steep pitch and near the upper walls of the home are a lower pitch though still fairly steep. Also different architectural styles will use the same type of roof. This house will have a gable roof and a 16 center area with a cathedral ceiling over the living and dining room areas the roof pitch will be 5 12 with a cathedral ceiling at a 2 5 12 slope the overhang will be 2 around the whole house.

Another is to create a custom gravel stop drip edge flashing piece that changes profile along the length of the roof to compensate for the change in pitch. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times. Let s consider a basic gable wood roof framing design.

Long span roofs are generally defined as those that exceed 12 m in span. Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Let s consider pricing for a simple structure a 26 x40 gable style house.