1) Fiberglass is 8 times stronger than vinyl windows

Upstate New York is notorious for drastic and random changes in the temperature and forecast. To meet these demands, Ultrex fiberglass resists expanding and contracting to protect the integrity of your home.

This Old House- Top 100 2015: Best New Building Products Rochester Colonial is the area’s exclusive source for two of the Top 100 2015 Building Products, one of which is manufactured by us right here in Rochester! 1.  The patent-pending FoldUp® window by our HeartWood division 2.  The Next Generation Double-Hung Window from Marvin Windows