STEP 1: Measure the area to determine the square footage of FLEXFOIL SOLUTION21 required.
STEP 2: Check the area you are installing and make any needed repairs before installing FLEXFOIL SOLUTION21.
STEP 3: Fasten the FLEXFOIL SOLUTION21 to the bottom of the joists using 1/2” staples every 4” - 6”. The foil side should face towards the floor.
STEP 4: Securely tape all seams with FLEXFOIL reflective tape. Ensure that a 3/4” air space is maintained between the product and the outer surface in order to optimize system R Values.
 
 

 
 
 
 
 
     
   
 
   
     
   
  Polyair Insulation Lifetime Limited Warranty