HOMES OF THE TREASURE COAST
48
HURRICANE PROOFING
Two steel columns bolted to the concrete slab floor anchor the foyer roof.
All of Newman’s homes are block filled with steel, poured
concrete and pressurized core foam. He typically uses aluminum
standard seam roofing with no exposed screws. The
manufacturer of Galvalume, which is a coating consisting
of zinc, aluminum and silicon that is used to protect a metal
from oxidation, will not warranty its metal roofs built within
two miles of brackish or salt water,
South Florida Building Codes, which were approved for
use in Broward and Dade counties after Hurricane Andrew
hit in August 1992 and are the strictest in Florida, require a
home be able to withstand 170 mile per hour winds. Harkins’
H3 Homes recently finished an over-engineered 4,800-squarefoot
house in Sailfish Point with several measures added to
take the punch of 200 mph winds.
The walls are 12 inches thick, Harkins says, and the house
has impact, insulated triple pane windows you can stand
next to and not feel heat from the Florida sun.
“Firefighters receive training to break these windows if
they have to,” Harkins says. “A byproduct of using ICF (insulated
concrete forms) is energy efficiency. My clients brag
about their electric bills.”
Truss straps can be doubled to increase the strength of the
connections between the house and the roof.
“When they request double straps for roof trusses, we do
it properly,” says Harkins, who is partners with his brother,
Phil. “If you don’t, you can actually weaken the truss with
too many nails.”
The shell of a home under construction in Stuart West has
several strength features soon be hidden from view. Two steel
columns are bolted by air drill into the concrete slab on either
side of the high ceiling foyer. At the top they are bolted to the
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