Roof Design For Building

Top 15 roof types plus their pros cons read before you build.

Roof design for building.

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. Flat roof designs are quite common in residential buildings. Roof type chart 1. Let s consider a basic gable wood roof framing design.

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 a frame is very easy to identify. There is no great architectural splendour in these roofs. Top 20 roof types and pros cons roof styles design architecture flat.

Continuing on from part 3. The bonnet roof is identified with the extending ledge around the base of the roof. 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. You can go for an extended roof that covers a few feet outside the external walls of the house.

Position the square at the end of the rafter board with the tongue on your left and facing away from you. The butterfly roof is an. Add the length of the overhang beyond this mark and. Also known as pitched or peaked.

For buildings with low slope roofs less than 2 12 slope the wind speed at eave height is used. 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. Flat garage roof design. 1 3 5 design pressure coefficients for roof zones.

The other part of the. The term gable refers to the triangular shape that is formed when the two pitched areas of your. In cold climates the primary purpose of attic ventilation is to maintain a cold roof temperature to avoid ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic. Most flat roofs are not really 100 flat but rather they are low sloped roofs that appear flat but have a little.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Also known as the french roof the mansard is characteristic of french building architecture though many homes take advantage of it s framing design. Here we have a wood framed gable roof. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

It s steep pointed roof which extends all the way to the ground.