Underslab Insulation For Radiant Heat

R values on these products are generally r 1 5 or less.

Underslab insulation for radiant heat.

Slabs that include embedded hydronic tubing for radiant heat always need a continuous layer of horizontal insulation under the entire slab. Rfoil 2222 series reflective r 13 0. Insulationstop is the best source for top quality products at the best price. Reflective foil insulation on the other hand requires an air space to be effective although some foil products are approved for underslab applications.

For more detailed information on under slab insulation and calculations reference the 1997 ashrae fundamentals handbook 27 10. Rfoil ultra cbf r 3 8 and underpad r 1 1. The barrier under slab insulation. Need insulation for under concrete slabs slabs with radiant heat.

We stock rfoil and crete heat insulation brands for use in concrete slab and between the joists pex radiant heating installations. Discover enclosure solutions for below grade under slab insulation with radiant heating. Crete heat r 6 or r 10. Get all construction documentation needed to specify this solution.

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.