Residential Roof Framing Design

It is a waterproofing layer made of regular felt stacked above the solid.

Residential roof framing design. A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. The complex design requires more building materials and it s more difficult to construct. This makes the bonnet roof more expensive than other more simple designs. The colour and material of the roof complement the structural integrity of a building.

Here we have a wood framed gable roof. Chapter 9 roof assemblies. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Similar prescriptive design aids and efficient framing practices can be found in cost effective home building.

Roofs are basically five types. A design and construction handbook nahbrc 1994. Poorly constructed roofs endanger the people living in a building so you need to make the roof compatible to the rest of the building in a well engineered style. Another common design in the northeast is the saltbox which is a gable roof with one longer side.

Continuing on from part 3. In this post randy shackelford discusses some design choices available to stick frame builders the challenges they pose and the solutions offered by the simpson. 2018 international residential code. 2018 international building code.

The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. On the upcodes website. These or similar load combinations are often used in practice as short cuts to those load combinations that govern the design result. Water easily runs off the slopes of the roof and the modified hip structure make it more durable than a gable roof.

A roof is an integral part of a building and people try to personalise the roof designs to achieve optimum architectural splendour. Also different architectural styles will use the same type of roof. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Shed gable hip gambrel and mansard.

For high wind conditions prescriptive guidelines for design and construction may be found in the wood. Let s consider a basic gable wood roof framing design. The load combinations in table 3 1 are simplified and tailored to specific application in residential construction and the design of typical components and systems in a home. Impact to building design.

Although truss designed roofs are predominant throughout most of the residential construction industry there are regions where building with stick frame roofs is still common.