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Linda from Fairfax, Va writes

Do I need a foaming agent to shoot Bora Care into drilled holes?

We believe we need to drill holes along a window sill frame to get Bora Care inside those walls, where we see drywood termites around the window frame. Do we need a foaming agent or can we use a regular garden sprayer or ? We have already treated a new exterior wall completely around where we see dry-wood termites, before staining it.

Answer:

When using Boracare as a foam it will penetrate into the wood, as long as there is not insulation to block the product from getting onto the wood. When foaming for termites, don't be concerned about foaming an entire wall void. You should only be concerned about getting the foam near the wood and studs. Drill holes at the top of the ceiling on either side of the studs and foam down the stud from the ceiling. This way you have gravity working in your favor and you are getting the foam against the wood which is all that matters. You can turn BoraCare into a foam by mixing a foaming agent with it: Pro Foam. The amount you mix with it will determine if it will be a high or low expansion foam. You would need a foamer applicator to apply this product - Chapin Poly Foamer. Using Termidor Foam is also an effective way to treat active termite colonies inside wall voids. This works different thatn Boracare as it will only sit on the wood and not absorb into the wood.    

Answer last updated on: 09/26/2016

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