Rigid insulation is placed horizontally under the slab perimeter and vertically in the joint at the slab edge.
Insulation under concrete slab detail.
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Slabs that include embedded hydronic tubing for radiant heat always need a continuous layer of horizontal insulation under the entire slab.
Water resistant rigid board for under concrete slab insulation and slab support in traffic bearing applications.
A continuous layer of horizontal insulation reduces heat loss in the winter and it reduces condensation of humid air on the slab during the summer.
Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type.
Insulation below the slab suits continuous low level heating gradually warming the thermal mass of the concrete and sustaining it at a consistent temperature.
Slab edge may be responsible for about 60 of the slab s total heat loss certainteed effect of slab edge insulation rem design simulations 8 increase in total heating consumption with no slab edge insulation 62 of heat loss through slab edge 16.
Faced 2 unfaced 3 insulation features.
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Prodex exhibits less than 9 compression in thickness when subjected to loads associated with standard concrete floor systems.
Where the heating is likely to be turned on and off such as in new build domestic properties and a faster thermal response is required the floating floor arrangement of insulation above the slab can be more appropriate.
This technique can limit inward vapor movement when the sun shines on damp bricks.
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Additionally a layer of rigid foam is used between the framing and ventilation space behind the brick cladding.
Continuous insulation is applied directly to the underside of the slab and extends inward horizontally from the perimeter for the distance specified or continuous insulation is applied downward from the top of the slab and then extends horizontally to the interior or the exterior from the perimeter for the distance specified.
Under slab insulation specifically designed to withstand the weight of a concrete slab and the rigors of foot traffic.