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Jeff writes,

How far apart should I drill holes when drilling a patio slab for termites?

I have a concrete slab patio at the rear of my house. How far apart should I drill holes? Can I just pore the solution in the hole? How far apart should he holes be and how much solution per hole? Thanks!


When performing a termite treatment and treating concrete slabs, the holes should be drilled about 2-3 inches away from the house, and 10 inches apart.  Typically a 1/2 inch drill bit is used.  You can fill the holes using a funnel or a one gallon hand pump sprayer with the nozzle turned so the sprayer shoots out a pinstream.  You are supposed to apply 4 gallons per 10 feet in the drill holes as well as the trench.  This is very hard to do.  Usually you would just fill the holes and then come back 30 minutes later after the soil beneath the slab has soaked up the product and fill the holes up again.  Do this 3 times and then patch the holes or use our Trebor Plugs

Answer last updated on: 04/25/2010

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