Typhoon Resistant Roof Design

The pressures above show the upward wind pressure on the 3 main types of roof.

Typhoon resistant roof design.

This can be illustrated in the diagram below from the whole building design guide organisation. And once the roof is incapacitated the house is a sitting duck for further damage if not total destruction. Build a moderately pitched hip roof. This relocation site in iligan shows another good design.

This monolithic house is the latest technology that will protect you and your family from typhoon storm and earthquake as well as flood. A 4 sided roof is more typhoon resistant because it gives wind less traction to pry the roof away a horrific phenomenon witnessed by people living in houses with two sided roofs during the storm. A gable end roof is generally cheaper to build but less wind resistant than a hip style roof. Early this year california based design and build studio mat ter had proposed a new design for the guiuan national high school in samar one of the most badly hit areas by typhoon yolanda.

No roof is exposed to the typhoon winds. The round design allows the wind to blow around the home. A round or multiple sided home is more resistant to hurricane strength winds. A guide to low cost typhoon resistant housing in the philippines 1998 a practical guide explaining clearly and simply how the houses in this low cost typhoon resistant housing programme are built together with background information on the financing and social preparation involved in the programme.

Following are path s recommendations for achieving storm resistant roofing. The design was a response to the challenge of an online course called designing resilient schools which crowd sourced design ideas for schools affected by. The standard metal roofing thickness is now 26 gauges but some structural engineers now recommend a thicker sheet of ga. Fasten the roof securely to the house and include multiple layers of moisture protection.

Windows must be typhoon proof too don t use jalousie windows but the steel window types instead since the latter can withstand typhoon winds a lot better. Wall logs in such construction have to be made of circular reference glued laminated timber and all other components of the house have to be hurricane resistant. A cat 5 hurricane proof log house is resistant to the winds up to 245 mph. Build the roof at an angle of 30 to 45 to prevent it being lifted off by the wind.

Developed and tested in the course of the dwf gret implementation of undp unchs programme vie 85 019 demonstration of typhoon resistant building techniques 1989 1991.