Installing Attic Radiant Barrier Between The Rafters

One of the reasons our radiant barrier products are so popular with diy homeowners and professional radiant barrier installers is that they are inexpensive and easy to install.

Installing attic radiant barrier between the rafters.

Measure and cut the foil before going in the attic. Before the roof sheathing is applied the radiant barrier is draped over the rafters or trusses in a way that allows the product to droop 1 1 2 to 3 inches between each rafter. The most effective place to install a radiant barrier is underneath the bottom truss of the roof deck. Install furring strips to the underside of.

Some of these installation methods are preferred over others but all have sufficient research and. This works best if you measure the height of the rafter bay and cut several pieces at a time. Methods like the flat top and the hybrid are just modifications of the standard staple up method. To expedite the install process we recommend cutting the foil pieces outside the attic space.

Radiant heat can affect the air ducts. The heat from the roof then travels into the attic. Which type of radiant barrier is best. Start by cutting your pieces first.

Radiant barrier paint performed the worse providing a heat decrease in the conditioned space of around 19. Install unfaced mass insulation between rafters ensuring a minimum of 1 ventilation space between the mass insulation. The results were very telling. Installation methods include radiant barrier draped over the rafters applied directly to the roof sheathing stapling to the bottom of the rafters and even laying radiant barrier on top of the attic floor insulation.

Roofs under 8 ft tall from inside the attic sq footage x 1 2 for really. 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. If you live in a slab foundation home then your air ducts are probably located near the ceiling and attic. A control study was published in 2013 showing the radiant barrier effectiveness of paint foil backed sheathing and foil that was stapled onto the rafters.

Unroll and staple reflective insulation to the under side of the rafters. Determine how much you need. In an open framed attic it is generally easiest to install the strips of radiant barrier roof material across the attic perpendicular to the direction of the roof joists overlapping each run by about 2 inches. In locations 3 and 4 the radiant barrier is attached to either the faces or bottoms of the rafters or top chords of the roof trusses.

A radiant barrier discussed in further detail within this article will stop the radiant heat from reaching the attic. Seal all seams with aluminum foil tape. For the majority of installations there are basically two different methods used to install radiant barrier foil in an attic. Staples should be placed 14 to 18 inches apart.

How to install radiant barrier on attic rafters in 5 steps step 1. This step makes the installation go easier because it. Using a radiant barrier.