Radiant Shield new radiant shield double sided reflective

Radiant Shield®  
Product Information
Cross-woven polyethylene with aluminum laminated to one side. Available with or without micro-perforations.
Roll Sizes
18" x 250'
26" x 250'
48" x 250'
Emissivity (Reflectivity)
.06-.07 (93% - 94%)
Radiant Shield Flyer
Retrofit-Attic Installation
New Construction-Roof & Attic Installation

Residential & Commercial Attics
Pole Barns
Metal Buildings
Pallet Covers & Lumber Wrap
pdf Attic Application
Post-Frame Application

pdf Technical Information
Radiant Shield Data Sheet

Radiant Shield is a cross-woven polyethylene material with an aluminum layer that reflects up to 94% of radiant energy. It is lightweight, easy to use and engineered to withstand tough jobsite conditions. Non-perforated Radiant Shield has a very low perm rating and qualifies as a vapor barrier.

Radiant Shield comes in 18", 26" and 48" widths for easy installation in a variety of applications. Radiant Shield is most commonly used as a radiant barrier in residential or commercial attics and post frame buildings, although it can be used anywhere that a radiant or vapor retarder is needed. It is often used in conjunction with mass insulation to create a more efficient insulating system.

radiant shield diagram    
  How do radiant barriers block heat transfer?
  In every building, heat transfer occurs across walls, floors and ceilings in three ways: conduction, convection and radiation. Because most mass insulations are aimed at reducing conductive and convective heat flow, radiation typically goes unaddressed.

Aluminum foil, the operative material in Radiant Shield, reflects thermal radiation very well. In fact, when facing an air space, the foil surface can reflect up 94% of the radiant heat energy that it encounters. Installing Radiant Shield results in a more complete insulation system that addresses all three modes of heat transfer.
* Temperature reduction will vary.  
Foil surface should be installed facing a minimum 3/4” air space. If air space will be present on both sides of the material, install the foil side in the direction where dust accumulation is least likely to occur (i.e. facing down or toward an enclosed space). Dust accumulation on foil surfaces has been known to decrease reflectivity and increase the emmisivity of a radiant barrier material.