Ground Floor Slab Insulation Details

Eps can be a cost effective alternative to pir for floor insulation and the same thermal performance can be achieved with increased thickness.

Ground floor slab insulation details.

If the insulation is going below the slab the damp proof membrane dpm is laid next followed by the insulation a polythene separating layer and the concrete slab. Alternative solutions 4 and 5 for continuous insulation of on ground concrete floor slabs. Where insulation is positioned above the slab. Insulating a solid ground floor below the ground bearing concrete slab can be done using either pir insulation boards or eps insulation boards.

For the floors of industrial. Check with manufacturer for approval for ground contact. These codes do not require any insulation for slabs that are more than 12 in. These overall r values do not account for the heat sinking effect of concrete piers where they are included to support a slab footing from below.

Below grade need vertical insulation at the slab perimeter. The codes are silent about whether above grade slabs need to be insulated. 4 10 2012 10 a problem with 2. 4 10 2012 5 floor surfaces less than 12 inches below grade shall be insulated.

It helps make effective use of the thermal mass of the concrete slab rather than repeatedly warming it and allowing it to cool. Submitted in 2016 for drc step 3 construction documentation review was an. Otherwise both codes require that slab on grade floors with a floor surface less than 12 in.