Off and on I was having a sewage smell in the basement. Last time it happened I tracked the smell to a open pvc pipe sticking down from the ceiling. Not home currently but I think it was like 1 1/2 - 2" in diameter. I cannot easily trace it but I am assuming it is connected to the plumbing...
My basement window is sitting on 10" concrete block. On top of the wind is a 2by treated sill plate. On top of the sill plate are 2 floor joists and there is some slight deflection in the sill plate. The joists are cantilevered to the deck. However there is nothing but the sill plate holding...
