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