Advanced Foil Systems
Experts in wood roof insulation technology. Their Aluma-Foil™ is designed to block out fumes and vapors from offgassing. Uses include wraping water heaters, pipes, walls and floors where airspace is appropriate.

DennyFoil
Denny Foil, impermeable double-sided builders foil creates a hermetic seal from offgassing materials. The vapor barrier of choice for chemically sensitive people, it's heavy duty kraft paper is adhered to the aluminum on either side with a sodium silicate. Can be used under or on floors, walls and cabinetry. Best when used with Polyken Aluminum Foil DuctTape to seal seams.

Innovative Energy, Inc.
Several grades of reflective insulation as well as reflective bubble insulation. Astro-Foil®, a solid aluminum foil wrapped polyethylene bubble film is applicable as both vapor and air infiltration barrier. Astro-Barrier foam underlayment with vapor barrier designed especially for the laminate flooring industry. Applicable for most climates.

Resource Conservation Technology Inc.
Hygrodiode is a one-way vapor barrier for roof cavities.
Teno-Arm is made of polyethylene.