Four Products That Stand Up to Hurricanes

What do a panelized wall system, a newly developed roof hatch, spray polyurethane foam, and a custom-made curtain wall have in common? They’ve been extensively researched and tested for their ability to take abuse from the likes of Hurricane Katrina.

After Hurricane Katrina blew the roof off the Louisiana Superdome, it got a new roof, secured and coated with closed-cell spray polyurethane foam. This roof has performed so well that the walls are now being insulated with closed-cell SPF. Roofing and walls insulated with SPF resist missile damage and penetration.
February 11, 2011

Owners of buildings in hurricane zones want to minimize damage and get tenants back in their homes or offices as soon as possible after a storm. So the onus is on the Building Team to find, specify, and—when necessary—engineer products and systems to ever-higher standards. The powerful hurricanes of the past 20 years have resulted in more stringent building codes and standards as well as more rigorous product testing.

In Florida, for example, the Miami-Dade County Building Department issues a Notice of Acceptance (NOA) to products only after they’ve passed intensive tests that simulate the effects of high-velocity hurricanes. The Miami–Dade list is a good place to start when selecting products for a building in a hurricane zone, says Bryan Karsky, AIA, LEED AP, executive vice president of Collman & Karsky Architects in Tampa, Fla. “You’re dealing with assemblies and testing that already give you a baseline for the level of hurricane hardening or wind resistance,” says Karsky. But bear in mind that additional engineering will be needed in areas where wind speeds can reach Category 4 (sustained winds of 131 to 155 mph) or Category 5 (sustained winds greater than 155 mph).

Let’s take a look at four building products that have been recently put to the test and approved for use in hurricane zones.

Wellbilt’s Sure-Board Wall Panel

Bilco’s Type S and Type NB steel and aluminum hatches

Honeywell’s TerraStrong closed-cell spray foam

NOA-approved curtain wall

         
 

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