
The first step in this application is to install mass insulation in the wall cavity. Next, install Low-E Insulation Tab Material with the tab
flush to the outside of the stud. It is recommended that ½” staples be applied approximately every 6” along tab to fasten Low-E. All seams
should be taped securely with Low-E Tape. Cover the face of each stud with tape and all seams around electrical boxes should be taped.
Install Low-E Insulation Tab Material with the tab centered within the stud cavity. It is recommended that ½” staples be applied
approximately every 6” along tab to fasten Low-E. All seams are taped securely with Low-E Tape. All seams around electrical boxes are
taped. To achieve a vapor barrier, all seams must be taped securely with Low-E tape.
SYSTEM R-VALUES FOR THESE INSTALLATION METHODS WERE CALCULATED USING DATA FROM THE ASHRAE HANDBOOK OF FUNDAMENTALS
Wall Applications
System R-Value: R- 18.91, Horizontal Heat Flow Only
System R-Value: R- 9.06, Horizontal Heat Flow Only
System R-Value: R- 22.75, Horizontal Heat Flow Only
Wall Application with Low-E & Mass Insulation (2X4) & (2X6)
Wall Application with 1 Layer Low-E Insulation (No Mass Insulation)
CALCULATIONS FOR THIS ASSEMBLY WERE PERFORMED BY R & D SERVICES REPORT # RD03224
11.
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