A.Termite shields are breeders of false confidence. Termite shields do not prevent the entry of termites, but supposedly force the termites to build a tube around the shield, so their presence can be detected during an annual inspection.

According to conventional design, an effective termite shield is a piece of metal flashing that projects at least 2 inches below the woodwork on each side of the foundation, with the outer edge bent down at a 45-degree angle. All joints and openings, such as around anchor bolts, must be sealed. But because of porch and patio slabs, interior...

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