Lancaster Building Supply Windows Doors & More

A beautiful alternative to the old steel Bilco doors, the Ultra Series by Bilco. Professionally installed by our own employee installers, Kris and Steve.

Pretty, pretty, pretty Provia Door! Let's install one at your house!

More beautiful Provia brand windows and storm doors professionally installed by LBS/Lancaster Door Service’s own team of employees, Kris, Steve and Kelly.

Classic style with a contemporary flare! Gorgeous!

Beautiful Provia brand windows and storm doors installed by our very own, awesome employee installers, Kris and Steve. Great job guys!

A beautiful conversion from an outdated bow to a gorgeous new Provia brand bay window! Installed by our very own professional, employee team of Kris and Steve! Yet another great job guys!

Would love to hear from you!

Doors, doors, doors and more beautiful Provia doors!! All installed by the best, professional, employee installers in town! Great job Kris and Steve!

One of our favorite styles for replacing old, tired basement windows. Opening window with a built in dryer vent! Beautifully installed by our in house pros! Great job team!!