The present invention also allows self installation, including incremental expansion, by {HEAD ~ typical homeowners} targeted by {TAIL ~ the major home improvement chains} 
targeted by
The present invention also allows self installation , including incremental expansion , by { HEAD ~ typical homeowners } targeted by { TAIL ~ the major home improvement chains }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL