Not sure what the correct terms are here, but the lines running from the exterior unit to the interior run through a cinder block wall into a basement. It goes through a PVC "conduit". I'm working on exterior grading, but for now I want to get this thing sealed off so no water or bugs get in (water is the problem when it rains, right now.) What it the best way to seal this? Will regular spray foam work?
Cable pipe into basement is leaking
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Would it be possible to have it enter through the wall instead of the cinder block? If so you could make a drip loop. If it has to go through the cinder block can you tilt the conduit so that it points downward toward the outside of the house....this would prevent water intrusion as it would have to flow uphill in order to get inside the house.....then just fill with silicone caulk.
One more thing on changing the angle.....the opening of the conduit inside the house needs to be above the level of the outside ground grade.
If the opening inside the house is above grade and the opening outside the house is below grade water will not get inside the house because it would have to run uphill in order to do so.
Silicone or polyurethane?
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Others would know better than me.
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