JB Sash carries a wide selection of Infinity Replacement Windows from Marvin. Out with the old, in with Infinity. After years of service, your old windows are drafty, hard to open and rotted. If it’s time for you to buy replacement windows you’ll want superior replacement windows that are as solid as they are attractive and require virtually no maintenance.

What makes Infinity so good? Infinity Windows utilize Ultrex, a fiberglass material that is far superior to other window materials. To see more of our selection of Infinity Windows in real life settings please visit our Marvin Window Showcase or visit our showrooms in person.

Special Sale now through December 31, 2007. Save
$400 on installation or get zero Interest/no Payment for
6 months on Infinity Fiberglass Windows. Details.

Visit our Showroom
280 Second Street
Chelsea, MA 02150-1710
Monday- Friday, 7:30 a.m. to 4:30 p.m.
Thursday,7:30 a.m.. to 6:00 p.m..
Saturday,7:30 a.m.. to 12:00 noon