Raising a sunken floor
We have a home with a sunken living room and we wish to raise the floor approximately 9 inches to make it level with the surrounding rooms. The floor of the sunken living room is slab on grade. On three sides the adjacent floors are over vented crawl space, the fourth side is an exterior wall. To raise the floor I intend to build a frame with a plywood sub floor. With the raised floor should I mimic the surrounding floors, ie create a vented space with insulation up against the plywood sub floor. Or should I create a completely sealed and insulated space with rigid insulation on the slab.
Posted Wed, 11/23/2011 - 02:35
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