Roof Design For Typhoon
One roof type that i noticed seemed to perform well during irma is the mansard roof.
Roof design for typhoon. Additionally with the roof and floors built using a radial truss array that allows any potential energy from sustained winds to disperse across the entire structure instead of building up in one area. The wind flows smoothly over a hip roof whichever direction it comes from. A 4 sided roof is more streamlined and sealed against buffeting winds. A good roof pitch would be atleast 30 degrees although traditional vernacular samples may go as high as 45 degrees which i think is better.
If your house is somehow situated in a more secluded region than the roof terrace can be the only site from where you are able to admire the true beauty of the landscape. A gable end roof is generally cheaper to build but less wind resistant than a hip style roof. To provide additional security for your roof install roof tie downs and anchors. The pressures above show the upward wind pressure on the 3 main types of roof.
A combination roof is quite literally a combination of types of roofs. The design of the cyclonic home includes simple systems to reduce the local wind stresses at the roof s lower edges such as a notched frieze or a horizontal grid to be installed at the level of the. The hip roof also known as cuatro aguas is more aerodynamic and more wind resistant compared to the gable or dos aguas which is a double pitched roof. Once the roof is damaged or ripped off the interior of the entire house is exposed to wind rain and other matter.
To know more about roof check out this 6 roof ideas for your home. For this type of wood it is most often seen when building a hostel in vietnam you can refer to alo nha tro for more details. Often incorporating two or more designs for aesthetics and practical reasons combination roofs can feature a range of styles. Perhaps the most vulnerable area of the house during typhoon is the roof.
There are examples of bahay kubo with the house to roof ratio of one is to three meaning the height of the walls of the house is one third the height of the roof which makes for very cool interiors since the inhabitants are very far from the. Eaves should no longer be a feature of typhoon resistant homes. This can be illustrated in the diagram below from the whole building design guide organisation. I noticed a couple of them in a few photos from one of the islands i can t recall if the photos were in.
The most common type of roofing designs are the hip roof and gable end roof. A clerestory and hip roof for example. Eaves which are the edges of a roof which jut out beyond the.