Tile Roof Wind Resistance

While this article is focused on wind testing fm approvals also tests roofing systems for resistance to interior and exterior fire exposure hail resistance and long term weather resistance as well as other physical properties.

Tile roof wind resistance.

It all depends on the quality of the chosen material and the amount of the resistance against the wind. The main concern from florida building code is that any structures or vents that may reside on the flat roof must be properly fastened and sealed. Some metal roofing brands make products specifically designed for hvhzs that withstand winds to 160mph. Tile roofing for high wind regions key issues missiles.

These floor plans increase wind resistance. If a tile is broken debris from a single tile can impact other tiles on the roof which can lead to a progres sive cascading failure. For the material that covers a flat roof wind resistance is less critical and the material tends to have negligible impact from salt spray. It s also a good idea to have a 30 degree sloped hip style roof with multiple slopes for the best possible performance.

Even when well at tached they can be easily broken by missiles. Available in shingles shakes tiles and panels stone coated roofing materials offer 120mph wind resistance and excellent durability. Concrete marley eternit tiles are best for wind resistance and due to the weight tradesman rarely nail them down so i suggest that due to the exposure to strong winds ensure each tile is securely nailed down also a smooth finish tile rather than a rough finish would make it more difficult for moss to stay on the tile as there isn t much for it to grip onto but as added protection the roof tiles can be treated with anti fungicide wash. Wind resistance in regions prone to tornadoes hurricanes or extreme winds roof tile provides one of the best defenses against wind related property damage.

In general square hexagonal and octagonal floor plans perform the best. The main wind force resisting systems of a building include rigid and braced frames roof and floor diaphragms shearwalls and the anchorage of roof and wall framing. Natural air ventilation under the tile created by its high porosity and installation techniques used help to relieve wind stress. Concrete and clay tile roofing resists hurricane force winds.

Low resistance cost about 1 000 dollars extra and the high resistance about 3 000 dollars. Develop a wind load model for low medium and high profile roof tiles to compute pressures and attachment forces 2. Use findings to evaluate fbc 1609 5 3 and tas 101 95 mech. Stone coated steel roofing on a custom designed home.

These pressures shall also be used to determine overturning resistance. Uplift tas 108 95 wind tunnel char as well as. Tile roofs are very vulnerable to breakage from windborne debris missiles.