Using Foil Backes Styrofoam For Radiant Barrier In Attic

Foil backed osb is applied mostly in attics.

Using foil backes styrofoam for radiant barrier in attic.

26 wide perforated double sided radiant barrier foil for trusses. Another common use of the solid foil is under a home in a crawlspace. The results were very telling. The attic overheats the house becomes warmer and your air conditioning bill.

Atticfoil radiant barrier you can use either our double sided foil or our single sided foil for this application. 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. If you use the single sided remember the foil side must face the air gap which in this example would mean the foil facesout toward the siding. Radiantguard radiant barrier foil insulation installed in an attics can reduce attic temperatures by up to 30 degrees when stapled with a staple gun to the underside of roof rafters by reflecting up to 97 of the radiant heat that strikes its surface thereby reducing heat transfer from the attic to living spaces resulting in lower utility bills.

A radiant barrier can lower heat transfer from attics to the building below keep the attic space cooler and lower cooling costs by up to 17 in warmer climates. The most popular use is as a radiant barrier in roofing. The goal of a foil backed osb is to cool the air within the top layer of insulation in the attic or wall by emitting the radiant heat absorbed through the roof or exterior walls which reduces the delta t and lessens the overall energy use in a building. If your radiant barrier is radiant barrier decking then it s using the attic space as an air space so you can t cover it with spray foam.

In this case you could use spray foam or batt insulation on the attic floor but not directly on the foil in between the roof rafters. In the absence of a foil insulation barrier the underside of the roof radiates all the heat directly into the attic. To get started you ll need to encapsulate the roof deck with 6 open cell foam and then insulate the attic and all the exterior walls. This method also reduces the heat subject to attic mounted ac duct work thereby allowing them to work more efficiently.

We take a look at how radiant barriers work the different types of radiant barriers and some of the. Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. Tyvek wrap optional studs board. Crawlspaces are notoriously damp and contain high levels of moisture.

Products 60 48 26 rolls. Which type of radiant barrier is best. However it is also used in wall systems. Whether you re building a new home or improving an old one you can use a combination of spray foam encapsulation with radiant barrier foil to keep the heat out and improve the comfort within your home.