Tuesday,
Aug 26, 2003
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Dogs Sniff Out House Mold For Wary Buyers, Homeowners
STORY TOOLS
By KNIGHT RIDDER NEWSPAPERS
Published on 8/22/2003Jack Jacobs and his fiancee thought they'd found their
dream house — an old mansion in Miami's Morningside area, but they didn't like
the look of a mildew patch on a ceiling, the roof that leaked during heavy rain
and the moldy edges around the kitchen cabinets.
So they called in the dogs — Mold Dogs, to be exact. Tootsie and Snickers, who
belong to the Mold Detection Service of Miami, quickly sniffed out the fungus
that had riddled floorboards, walls and ceilings. Jacobs backed out of the
contract in a hurry.
“We were very much into getting this house,” said the
This pair of beagles and their mold-sensitive snouts are in increasing demand,
say their owners David and Jennifer Leshner, siblings who started Mold
Detection Service in January out of, well, puppy love.
“Being dog lovers, we'd been looking for a business with dogs — a pet store,
dog walkers, anything,” related 32 year-old David Leshner, a former investment
portfolio manager.
But it was an Animal Planet show about the 20-year-old European tradition of
using dogs to root out mold that caught Leshner's attention.
After researching the idea, he and his sister, a 29-year-old lawyer, threw
their careers to the dogs and ordered two pooches trained in mold detection
from the
With the American Society of Home Inspectors estimating that 38 percent of U.S.
houses harbor mold, mold detection is turning into a big business across the
country as homeowners are becoming increasingly aware of fungi and their ill
effects.
Mold, which is caused by damp conditions and can grow in as little as 24 hours,
is commonly linked to allergies and respiratory ailments.
The strain known as toxic or black mold has been blamed for more serious
illnesses ranging from bleeding lungs to reduced cognitive skills and even
death. Children, the elderly and people with low immunity are especially
vulnerable.
But many in the construction and insurance industries, which are being hit with
thousands of mold-related lawsuits and claims, say there is little scientific
evidence to support the allegations of noxious health effects. The U.S. Centers
for Disease Control is currently conducting a study designed to end the debate.
What is more commonly accepted is mold's destruction of buildings. The microbes
particularly feast on drywall and more absorbent building materials, which
makes new homes susceptible as well as old. With its high humidity and booming
real estate development, South Florida is a prime climate for mold, and mold
hunting. “It's a perfect place to open this business,” David Leshner said.
And Tootsie and Snickers, 2-year-old females who were rescued from the Tampa
Humane Society by the Canine Academy, are ideal employees. They're happy
toiling for doggie treats and don't complain about working overtime.
The Canine Academy chose the pooches for their friendliness toward people and
their keen olfactory sense.
“To them, it's a game,” David Leshner said. “When they know it's time to work,
they get really excited.”
When David Leshner gives the command “seek,” the dogs start sniffing around the
room. They're trained to reveal 18 types of mold. At “show me,” they point with
their noses, often in a nodding motion, to the location where they have
detected the fungi. If it's in the floor, they sit on the spot.
After the dogs have signaled the location of the mold, the inspector takes an
air sample by inserting a tube inside an electrical outlet, air vent or other
opening. The tube is attached to a pump to pull the air into a trap that is
later sent to a lab for testing.
So far, David Leshner said, the dogs have never failed. “You can't hide mold
from them,” he noted.
Other detection methods involve cutting out pieces of wall for testing, which
can be costly, slow, not very accurate — and can even spread mold by exposing
spores to the air, David Leshner said.
Mold Detection Service charges by the square foot; a 1,000-square-foot
apartment would typically cost $250, plus lab costs.
Gwen Dermis, a financial consultant who is five months pregnant, considered it
well worth the expense. She called Leshner to inspect her Normandy Isle home,
which had been flooded in the past, after seeing a television segment on mold.
The dogs confirmed her fear of a colony of mold in the bathroom and the room
destined for the new baby.
“I thought it was better to find out now than after the baby's born,” she said.
“We're now taking out the walls, raising the floor, cleaning with
anti-bacterial scrub, putting in anti-mold plasterboard. The dogs were
wonderful.”
As Dermis and many other Florida homeowners have found, the problem is that
insurers are not required to cover repairs from mold damage, which can be
expensive and can include replacing walls, floors and ceilings.
Wanting to sell separate policies for mold, one company — State Farm — is
battling with the state Office of Insurance Regulation to exclude mold
liability from homeowner's coverage altogether.
An administrative law judge agreed in June that State Farm is not obligated to
cover mold damage, but state regulators will likely appeal that finding, said
spokesman Bob Lotane.
Florida, however, has approved other companies' requests to limit mold payouts
to $10,000, Lotane said.
The fungal infestations are fast turning into an issue in real estate
transactions, also.
A bill is pending in Congress that would require a mold inspection for any home
that is the subject of a federal loan.
And more buyers are becoming like Zack Jacobs, who vowed that he won't close on
a home unless it has passed a mold inspection, even if it's brand new.
“Who do you sue? The builder, the seller, the city?” he asked. “I'm going to do
this every time I bid on a house.”
It all adds up to a bright business outlook for Mold Detection Service. The
company has already ordered a third dog from the Canine Academy.
She'll be another furry addition for the menagerie; after 5 p.m., the dogs go
home with Leshner and turn into playful pets.
“I thought this was crazy; crazy enough to work,” Leshner said. “Our friends
laughed, but now they're telling everyone how amazing this is.” ![]()
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