Insulation for Knee Wall Application
Installation Instructions: (There are 2 methods with varying levels of benefit)
1. Product Installed in the Back of the Knee Wall Cavity - R-16 and a Radiant Reflector (with R-13 Fiberglass Batt)
Construct Knee Wall per Building Code.
Prior to installing fiberglass batts, measure the inside height of the knee wall cavity.
Precut the InfraStop® to this measured length minus 1/2”.
Start at the inside top of the first cavity.
If utilizing the Reflective/Bubble/Bubble/Reflective, Staple Tab product, staple the tab of the product to the side of the stud and continue downward stapling every 3” to 4” - Repeat on opposite stud -The plane created by the product should be parallel to the back side faces of the studs - There should be a continuous 1/2” air gap across the bottom of the cavity.
Install Fiberglass Batt per Manufacturer’s Instructions.
Install a Vapor Barrier on the inside of the Knee Wall if your Building Code dictates.
Finish interior of Knee Wall.
Product Installed in the Back of the Knee Wall Cavity - R-19 and a Radiant Reflector (with R-13 Fiberglass Batt and 0.75” furring (on the back of the Knee Wall)
Prior to placing the Knee Wall and nailing it to the floor and rafters, attach a 1”x 2” (nominal) furring strip to the back of each Knee Wall Stud.
Install InfraStop® per instruction in Method #1 (above).
Staple Tab Roll Sizes
Square Edge Roll Sizes
Insulation for Knee Wall Application: There are 2 levels of benefit.
InfraStop® Insulation products are a group of technologically advanced materials. They are ideal for new construction or retrofit applications in commercial, industrial, metal and post/frame buildings, along with many other DIY applications. When you think of insulation, you should think of InfraStop®. Our products are recognized for their thermal performance, easy installation, versatility, price and environmental friendliness.
- 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
InfraStop® 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. For a copy of an actual test report, please e-mail us at email@example.com.