Use "low expansion foam" it is made for around doors and windows and does not expand with as much force as the regular spray foam. But do adhere to the 75% rule, you can always add a bit more if needed but it is a bugger to clean up if you get too much in it.

drover


223 Rem, my favorite cartridge - you can't argue with truckloads of dead PD's and gophers.

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