How To Install Reflective Attic Insulation

Location 1 may be used with either new construction or with retrofit of an existing house.

How to install reflective attic insulation.

Seal all seams with aluminum foil tape. There are 3 options 1 underside of rafter method depicted in illustration check the attic area and make any needed repairs before installing reflectix. Prodex 48 inch 72 inch or fast action is attached to the bottom of the rafters. How to install reflective foil in an attic 1.

Installing attic insulation location 1. Visually inspect the interior roof area. Reflective bubble insulation applications. Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.

Roll out the reflective foil in a large. Our bubble insulation products are solid vapor barriers i e. Not vapor permeable and therefore serious moisture health and durability problems can result from improper installation. Reflective insulation not only saves.

Make sure that there are no leaks or openings for rainfall to infiltrate the. Old insulation is removed and the attic space is cleaned out. Installing attic insulation requires first preparing the surfaces around the attic entry to ensure that any contaminants in the attic aren t spread throughout the home. Install unfaced mass insulation between rafters ensuring a minimum of 1 ventilation space between the mass insulation.

This method can be used in any climate though it historically has been most popular in colder climates. Over the insulation install laying foil over on top of insulation on the attic floor this is probably the easiest method to install radiant barrier atticfoil is to lay the foil out over the existing insulation on the attic floor. In a new house an installer typically drapes a rolled foil radiant barrier foil face down between the roof rafters to minimize dust accumulation on the reflective faces double faced radiant barriers are available. It s easier to incorporate radiant barriers into a new home but you can also install them in an existing home especially if it has an open attic.

R values indicated below vary per installation method depending on the size of the air space surrounding the product and the direction of heat flow. Reflective insulation reduces the transfer of radiant energy which accounts for 93 of the heat transfer in most attics. Install furring strips to the underside of. Unroll and staple reflective insulation to the under side of the rafters.

Unroll the reflectix as you work and cut it to suitable lengths 8 to 12 with scissors or utility knife.