We have a ranch house with no basement, on a concrete slab foundation. The duct work is in the slab. We are planning to convert to a mini-split HVAC system. There is no convenient way to remove the duct work from the slab. Can it be filled in with something....such as concrete??
Can we fill in the unneeded ductwork in a concrete slab?
Sep 02, 2013
2 Replies
Yes, Although I would probably opt to put a 1/4" diamond plate on each end as a less expensive solution. It can be sealed to the existing slab with silicone and bolts or screws and anchors.
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