Floor Joist Insulation For Radiant Heat

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.

Floor joist insulation for radiant heat.

Up to r 21 and a radiant reflector maximum benefit application note. Crete heat r 6 or r 10. This application is ideal for the do it yourselfer who has a radiant floor system above or below a wooden joist sub floor. Reflects 96 of radiant heat find out how a radiant barrier works.

Rfoil ultra cbf r 3 8 and underpad r 1 1. Insulation in floor joists under radiant heat installation instructions. For isolating the radiant over in unconditioned garage you ll need to add more fiber insulation fill up that bay and add rigid foam as a thermal break on the joists. A floor joist installation presents some unique challenges not found in the wide open more flexible environment of the slab on grade installation.

Why use ecofoil floor joist insulation. Very durable and can t be ripped or torn by hand. Installation instructions and illustrated drawings are recommendations only while proper local construction methods are the responsibility of the installer. There are 5 methods with varying levels of benefit note.

Easy installation see below on how to install floor joist insulation versatile enough to fit between joists or attach directly underneath joists. Rfoil 2222 series reflective r 13 0. 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. Ecofoil floor joist insulation is constructed of a double layer of polyethylene bubble insulation bonded to two radiant barrier metalized sheets.

At the project house the crew will spray foam insulation over the tubing between the joists forming a tight seal. Diy radiant floor wood joists. Add radiant heat to existing floors with retroheat s thin film heating panels. However with a few guidelines these challenges can be easily overcome.

Works in both warm and cold climates. Check out our video radiant floor heat tubing installation in floor joists and read this page for a full description. 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.