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Cracks are too small for nozzles. These are space cracks not a crack in the foam. Please see pictures. It's between the two boards, (old and new) and behind the electrical boxes which are on outside walls. They had to be mounted before they would spray the foam. Trusses are 2 x 4...

1918 home with third floor attic to be converted into living space. New roof put on, closed cell insulation installed. We started sheetrocking, but had to stop. The ceiling runs from the top down to the floor. Everything is an outside wall. We are having problems with condensation where...