Bug Barriers Laurel MD

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Effective insect resistance requires intervention during the earliest phases of construction.

By Matthew Power

Mosttreatment for wood-destroying insects happened long after the builder's departure. Exterminators sprayed gallons of chemicals onto lawns and into wall cavities. Residents had to evacuate while chemicals dissipated.

Consumers and health organizations increasingly oppose such heavy-handed treatments. But at the same time, imported breeds of voracious insects--such as the Formosan termite--have ravaged homes in many parts of the United States.

"In the Washington area, we've seen termite colonies that are more than a million in size," notes Harold Harlan, senior entomologist with D.C.-based National Pest Management Association. "They can cause extensive damage."

As a result, both home buyers and code officials are leaning on builders to integrate proactive insect deterrents into their new homes.

The modern battle of the bugs can only be won if you do the following:

• Site the home away from damp, woodsy areas.

• Remove all cellulose-based materials from the landscape.

• Design and install gutters and eaves to carry water away from the foundation.

• At ground level, use physical barriers ranging from low tech (sand) to high tech (stainless steel mesh).

• Build with borate-treated building materials.

• When all of the above fail, bring in baiting trap.

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