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- The Therma-Tru retractable screen door features a durable design that is built to last, featuring an aluminum track housing that offer added strength and an aluminum sill plate with slide adjustment that provides a secure fit.
 
    
    
  The Quick-Snap Track is simple to install and can be snapped into the screen housing and adjusted to the proper length for single doors 32" - 36" wide and french doors up to 68" - 73" wide without cutting.*

 
    
    
   
    
    
   
    
    
   
    
    
   
    
    
   
    
    
  