In Floor Heating Joist Insulation

Up to r 21 and a radiant reflector maximum benefit application note.

In floor heating joist insulation.

Joist bays the open spaces between floor joists are prime hosts for insulation under specific circumstances. For all methods inspect the structural integrity of the sub floor and make any needed repairs before installing infrastop. This application works well in new construction and is also a very popular retrofit option. Reflective insulation for radiant floor heating is tougher and easier to install than traditional foam board insulation that easily cracks and breaks and is made to resist corrosion.

There are 5 methods with varying levels of benefit note. Insulation in floor joists under radiant heat installation instructions. As long as you can see the floor joists from below then you can add radiant heat. Rfoil 2222 series reflective r 13 0 show more.

Since the rolls of radiant barrier are 48 wide you ll save a lot of time by clamping the entire roll in a vise or hanging it over a sawhorse marking 16 and cutting the entire roll with a sawzall or handsaw. Adding radiant floor heating insulation is the most cost effective approach long term. Pro radiant floor wood joists. When the basement or crawl space has vents installed insulating joist bays.

Installation instructions and illustrated drawings are recommendations only while proper local construction methods are the responsibility of the installer. The best way to do this is as follows. Fill the rest of the joist bay with insulation. This is also known as the staple up radiant heating application.

This application is ideal for the do it yourselfer who has a radiant floor system above or below a wooden joist sub floor.