Roof Design For Building

The butterfly roof is an.

Roof design for building.

The term gable refers to the triangular shape that is formed when the two pitched areas of your. Continuing on from part 3. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. You can go for an extended roof that covers a few feet outside the external walls of the house.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. The bonnet roof is identified with the extending ledge around the base of the roof. Top 20 roof types and pros cons roof styles design architecture flat. This design is often incorporated to add to the beauty of the house.

Also known as the french roof the mansard is characteristic of french building architecture though many homes take advantage of it s framing design. Add the length of the overhang beyond this mark and. Also known as pitched or peaked. 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.

Here we have a wood framed gable roof. It will be much more difficult to build a round roof onto a square building for instance so allow the shape of the structure to guide you. Roof type chart 1. Roof design wind pressures are determined using the wind speeds at the mean roof height of the building i e average of the eave and ridge heights.

Let s consider a basic gable wood roof framing design. The other part of the. Flat garage roof design. There is no great architectural splendour in these roofs.

Top 15 roof types plus their pros cons read before you build. Roofs can be designed and constructed to be either vented or unvented in any hygro thermal zone. The two major categories of roof are flat and pitched and one of the main things that will determine the actual style of roof you need is the shape of the building. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

Flat roof designs are quite common in residential buildings. The a frame is very easy to identify. For buildings with low slope roofs less than 2 12 slope the wind speed at eave height is used. It s steep pointed roof which extends all the way to the ground.

1 3 5 design pressure coefficients for roof zones.