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How to Avoid a Chimney Fire

Don’t let your chimney (or house) go up in smoke — keep that blaze in the fireplace, where it belongs

David Arv BragiHome(September 22, 2015

Chimney

(Photo: Derek R. Audette/Shutterstock)

Forget the image of chimney sweeps dancing with Mary Poppins across the rooftops of London. Modern chimney safety is a serious business.

Chimneys, chimney connectors or fireplaces cause an estimated 22,700 residential structural fires every year, resulting in 20 deaths, 90 injuries and $111.7 million in property losses, according to the Consumer Product Safety Commission.

The main culprit is creosote, a flammable wood residue that builds up in the flue over time. If it ignites, the blaze might escape to the rest of the house through holes in the chimney. In March 2015, flames leaked through a six-inch hole in the side of a wood-stove chimney, setting fire to a 245-year-old Colonial house in Newport, New Hampshire.

To keep your home safe, learn how to take the right precautions — and when to call in the experts.

Related: 8 Flammable Liquids Lying Around Your House

Cap it. Water damages chimneys more often than fire does, creating gaps and cracks in the mortar that allow creosote to accumulate and fires to spread, according to the Chimney Safety Institute of America (CSIA). Place a cap over the top of your chimney to keep the rain out. Hire a contractor to install it correctly, advises John Drengenberg, consumer safety director at UL. “It should be far enough from the opening not to bother the flow of air that comes up,” he says. If your fire doesn’t burn brightly enough, it could be that the cap is too close to the opening, he adds.

Waterproof it. Seal the interior with a waterproofing agent. “It is best if a professional does this for you since they can also look at the bricks and mortar to see if poor maintenance has caused any problems,” says Drengenberg.

Clear away debris. Chimneys radiate heat and can shoot sparks into the outside air. Remove tree branches and leaves to a distance of 15 feet from the chimney so they don’t catch fire.

Check for debris near exposed parts of the chimney inside your home, too. In the Chicago suburb of Geneva, a house caught fire after a bird’s nest in the attic made contact with an exposed flue pipe .

Keep the fire in the fireplace. No matter how pretty the flames look, don’t build them up until they reach into the chimney. “Use dry, well-aged wood, not greenwood,” says Drengenberg. “The slower wood burns, the more creosote you’re going to get.”

Related: Is Your Fireplace Safe?

Continued at:  http://www.safebee.com/home/how-avoid-chimney-fire

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