Why Gabeled Roofs Are A Problem In High Wind

It all depends on the quality of the chosen material and the amount of the resistance against the wind.

Why gabeled roofs are a problem in high wind.

Proper installation will only end the damage caused by high winds. If your home has a gable roof two sided pitched roof the end wall takes a beating during a hurricane and typical framing methods create a vulnerable hinge line at the joint between levels. A single storm can destroy a roof in many cases. Although the dangers of damage to roofs from hurricane winds are vaguely appreciated by most people the nature and distribution of wind forces are not generally understood.

High wind hazard a gable roof is one of the simplest roofs to construct but it isn t the best choice in high wind areas. Leaks are not the only problem that can result from improperly installed flashing. Where a moderately high wind is expected the cost might increase to as much as 3000. In high wind areas you may need to spend closer to 5000.

Redesigned roofs withstand high wind events. Originally published august 1965. A typical 2 slope gable roof is often times cheaper to build but it allows the wind to catch the roof and it is much more easily blown away. The hip style roof can stand up to high winds when a storm comes.

The cost of the roofs with a wind resistance is higher than the average one. Building a 4 slope hip style roof has been found to lessen the load of the wind on the house. A roofing system isn t just 5 smart tips for choosing the best roof for high winds read more. As strong and sturdy as your roof is remember that it won t be able to withstand high uplift pressures if your doors and windows aren t protected.

For those choosing to rebuild rima taher an expert on wind resistant structures has a bit of advice. 2 blow offs tenting reduced wind uplift resistance and billowing. Wind protection is a house wide concern. The tornado that stormed through joplin mo on may 22 shredded an estimated 8 000 buildings and stranded desperate families that now must decide whether to rebuild or find a new home.

Hip roofs four sided roof design are more aerodynamic and inherently more resistant to uplift forces of high wind than gable end and other roof designs. Roofs are very susceptible to wind damage in part because high winds do not hit roofs uniformly. Low resistance cost about 1 000 dollars extra and the high resistance about 3 000 dollars. Wind pressures and suctions on roofs.

Other wind damage to a roof includes damage caused by falling objects and debris such as tree branches and downed powerlines. The wind can work its way under the roofing materials and peel them off or it can blow under the soffit and lift the roof right off the structure. Hot bituminous roofs where flashing is poorly attached may experience open seams and laps and ultimately cause blow offs reduced puncture resistance and code issues advises care.