Floor Joist Insulation For Radiant Heat

Rfoil ultra cbf r 3 8 and underpad r 1 1.

Floor joist insulation for radiant heat.

Easy installation see below on how to install floor joist insulation versatile enough to fit between joists or attach directly underneath joists. At the project house the crew will spray foam insulation over the tubing between the joists forming a tight seal. Since the foam fiber ratio would have to be significant for dew point control there it s probably better to use 1 5 2 of eps which is vapor permeable rather than foil faced. Add radiant heat to existing floors with retroheat s thin film heating panels.

This application is ideal for the do it yourselfer who has a radiant floor system above or below a wooden joist sub floor. A floor joist installation presents some unique challenges not found in the wide open more flexible environment of the slab on grade installation. Works in both warm and cold climates. The heating element is stapled up between the floor joists and then insulation is placed over it to efficiently direct the heat up to warm existing floors with luxurious radiant heat.

Rfoil 2222 series reflective r 13 0. Up to r 21 and a radiant reflector maximum benefit application note. Very durable and can t be ripped or torn by hand. Reflects 96 of radiant heat find out how a radiant barrier works.

For all methods inspect the structural integrity of the sub floor and make any needed repairs before installing infrastop. There are 5 methods with varying levels of benefit note. Insulation in floor joists under radiant heat installation instructions. Crete heat r 6 or r 10.

However with a few guidelines these challenges can be easily overcome. Why use ecofoil floor joist insulation. Installation instructions and illustrated drawings are recommendations only while proper local construction methods are the responsibility of the installer. Ecofoil floor joist insulation is constructed of a double layer of polyethylene bubble insulation bonded to two radiant barrier metalized sheets.

This 1 4 to 5 16 thick insulation provides superior protection against radiant heat transfer and also provides an effective vapor barrier preventing condensation which can cause mold. We stock rfoil and crete heat insulation brands for use in concrete slab and between the joists pex radiant heating installations. A radiant floor heating system needs a hot water supply a connection between the tubing and the plumbing and a pump to move the water from one to the other.