Wall - Exterior (2”x 4” Construction)

R-14 Total Assembly (R-3.9 and a Vapor/Moisture Barrier for the Reflectix®)

This application is an excellent upgrade for an exterior 2”x 4” stud wall (new construction). The product provides a vapor/moisture barrier, which is a strong contributor to the efficiency of the system. Reflectix® is available in convenient roll sizes which contributes to ease of handling and installation.

Recommended Products:
Double Reflective Insulation
Staple Tab, Reflective/Bubble/Bubble/Reflective - Roll
• ST16050 (16” x 50’)
• ST16100 (16” x 100’)
• ST24050 (24” x 50’)
• ST24100 (24” x 100’)

• R-14 total assembly (R-3.9 for the Reflectix®)
• Vapor retarder and moisture barrier
• Installs quickly and easily
• Additional product cost pays for itself over time
• Resists growth of fungi, mold and mildew
• 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.

Federal Trade Commission Fact Sheet: Installation Instructions:
Download Pro Wall - Exterior (2 x 4) Installation Instructions.pdf
Note: Installation instructions and illustrated drawings are recommendations only, while proper local construction methods are the responsibility of the installer.

• Install R-13, un-faced, per manufacturer’s specifications.
• Place one corner edge of the Reflectix® in an upper corner of the stud cavity. Staple the product to the side of the stud (creating a 3/4” tab on the product and compressing into the fiberglass (3/4” as well)). The edge of the product should be flush with the forward corner of the stud.
• Proceed “down” stapling to the side of the stud every 2"- 3”.
• Repeat procedure on opposite stud.
• The Goal: Create a continuous 3/4” air space between the product and the interior panel.
• Finish wall interior.


Additional Resources:
F1 - Energy Saving Solutions for the Homeowner (Revised 0711)
F2 - Solutions for the Pro (Revised 0416)

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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