At the Glen Ridge, NJ house, general contractors Tom Silva and Zack Dettmore install sleepers to the existing addition slab to make it level with the new floor system. A rigid insulation board is added for a thermal break.
How to Install a Sleeper Slab
Part of old addition consists of a concrete slab that needs to seamlessly integrate with the new floor system. Tom Silva helps Zack Dettmore finish the floor framing so the new floor can run over the slab.