Best Under Slab Insulation For Radiant Heat

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.

Best under slab insulation for radiant heat. This reason by itself can justify the use of under slab insulation. This radiant heating insulation can be used under most flooring material. Remember that your slab will be about 75 degrees f. The insulation phase is crucial for a radiant floor.

A john siegenthaler a consulting engineer who specializes in hydronic heating system design responds. Javascript seems to be disabled in your browser. Insulationstop is the best source for top quality products at the best price. Mainly heated slabs radiate outward rather than downward so insulation on the edges of the slab is most important.

Insulation under the slab can reduce temperature swings in the heated space and respond quicker to new changes in thermostat settings. Q how much insulation is necessary under a typical radiant slab. Slabs that include embedded hydronic tubing for radiant heat always need a continuous layer of horizontal insulation under the entire slab. Prodex total 16 inch 24 inch 48 inch 10m and fast action is radiant floor insulation used under wood flooring to reflect radiant heat upwards back into the home prodex is a thermal break vapor barrier and radiant barrier.

The rpa guidelines provide a simple formula for calculating the r value for heated slab insulation. Need insulation for under concrete slabs slabs with radiant heat. Any cooler surface in contact with the slab will try to steal its heat. Radiant floor insulation under wood floors.