Metal Building - Product: Reflective One Side
Metal Building - Wall - New

Open Interior with a 3/4” Thermal Break
R-4.6* Heat Flow Horizontal
Open Interior with a Nominal 3/4” Drape in Product (No Thermal Break)
R-3.7* Heat Flow Horizontal

Reflectix® Insulation products are a technologically advanced Insulation material ideal for new construction or retrofit applications in commercial, industrial, metal and post/frame buildings. Our products are recognized for their thermal performance, easy installation, versatility and price.

Recommended Products:
Single Reflective Insulation
Reflective/Bubble/Bubble/White - Roll
• RDBW48100 (48” x 100’)

• Easy to handle and install
• Convenient roll sizes
• Class A / Class 1 Fire Rating
• Inhibits dew point condensation
• Vapor retarder (0.02 perms)
• Does not compress, collapse or disintegrate
• Non-toxic / non-carcinogenic

Testing and Certification:
Reflectix® products are thoroughly tested at either nationally approved, independent laboratories or leading universities. Tests are performed to current American Society of Testing and Materials (ASTM) standards when a standard exists. To obtain a copy of our Product Testing Specifications, please refer to our website “Literature Tab” above. The documents are also available by e-mail at or call 800-879-3645.

Air Space Requirements:
Installation Instructions: (There are 2 options)
Download Metal Building - Wall - New Installation Instructions 0910.pdf
1. Installed with 3/4” Thermal Breaks
• The Reflectix® Insulation is installed with the “white side” towards the interior of the building.
• Install Reflectix® Reflective/Bubble/Bubble/White product vertically, using 1 1/4” self tapping screws to secure the insulation to the exterior of the C or Z girts.
• Tape the seams with a Reflectix® Foil Tape (goal is an air-tight, snug seam seal).
• Install a 3/4” thermal break and attach corrugated metal exterior finish.

2. Installed with a 3/4” Drape in Product (No Thermal Break)
• Per instructions above without the thermal break.
• When installing the product, insure there is a drape (towards the interior) of at least 3/4” at the center of the cavity.

* Includes thermal resistance of 0.68 interior air film.

Calculation Disclaimer: All values are calculated based on the “ASHRAE Handbook of Fundamentals”.


Additional Resources:
Zip Code Zone Locator
This function provides regional installation recommendations for the following applications: Attic & Cathedral Ceiling
DIY Product Calculator Type:
Roof/Attic Application: Radiant Barrier Locate a Retailer
0 sq. ft. of roof/attic area 0 rolls
*Note: This calculator is for the convenience of our customers. These recommendations are for approximate product quantity.

Video Library:

For additional videos, click here.
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