Framing Flat Roof Plan Drawing

Also known as the french roof the mansard is characteristic of french building architecture though many homes take advantage of it s framing design.

Framing flat roof plan drawing.

Framing a roof architectural drawing. Let s consider a basic gable wood roof framing design. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Sizes of joists needed for flat roof construction.

Sometimes it s easier if the shed is an odd size or shape. The point at which all the rafters are. Continuing on from part 3. This will help you create a flat roof framing plan.

Parts of a roof a ridge board is a horizontal member of the roof frame. I like the challenge of drawing it up. When framing a flat roof you will need to create a slight incline. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape.

Our garage plans are to designed to irc building code conventional framing details. Objectives define ridge board rafter hip valley sheathing fascia soffit dormer and pitch. Framing the roof using trusses instead of rafters is another option. They can be manufactured or pre made or you can make your own.

Also different architectural styles will use the same type of roof. Regarding roof shapes there are flat roofs and inclined roofs flatly inclined roof steeply pitched roof the flat roof has an incline of 0 degrees up to maximum 25 degrees country specific differences. Many of the plans use manufactured roof trusses and others use conventional rafter and joist framing. Some roofs actually slope in several directions ensuring optimal water runoff.

Label and identify the parts of a roof framing plan. 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. Of course you don t need to live in a modern house to deal with a flat roof. Our plans can be built in most us locations.

Floor beam span tables of residential structural design we will now look at roof rafter and beam design. All behm design garage plans include foundation plans and details using industry standard materials and assemblies. Here we have a wood framed gable roof. The roof forms the upper limitation of a building.

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. To make trusses draw up a truss plan or find one online or in print. Old asbestos roofs are often replaced with flat roofs. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.

So any timber joists that are used need to be strong enough to support this weight. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. You can do this with a foam layer that exactly fits your roof.