How To Install Reflective Attic Insulation

Tape seams with reflective tape.

How to install reflective attic insulation.

Reflective insulation reduces the transfer of radiant energy which accounts for 93 of the heat transfer in most attics. Installing attic insulation location 1. Roll out the reflective foil in a large. Reflective insulation not only saves.

Old insulation is removed and the attic space is cleaned out. Install unfaced mass insulation between rafters ensuring a minimum of 1 ventilation space between the mass insulation. Access the attic and measure the floor space s length and width with measuring tape. Prodex 48 inch 72 inch or fast action is attached to the bottom of the rafters.

Unroll and staple reflective insulation to the under side of the rafters. 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. 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. Unroll the reflectix as you work and cut it to suitable lengths 8 to 12 with scissors or utility knife.

How to install reflective foil in an attic 1. Seal all seams with aluminum foil tape. Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way. Our bubble insulation products are solid vapor barriers i e.

There are 3 options 1 underside of rafter method depicted in illustration check the attic area and make any needed repairs before installing reflectix. This method can be used in any climate though it historically has been most popular in colder climates. Install furring strips to the underside of. Reflective bubble insulation applications.

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. 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. Not vapor permeable and therefore serious moisture health and durability problems can result from improper installation. Make sure that there are no leaks or openings for rainfall to infiltrate the.

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.