Marvin’s patented Ultrex® fiberglass is an inert material that is nonpolluting.
Ultrex® fiberglass rovings and mats are made from pure silica sand, requiring less energy to produce into a finished product than vinyl.
This video uses whiteboard graphics to explain energy efficiency concepts like U-factor and Low E that is used for replacement windows and doors. Things like U-Factors and Solar Heat Gain Coefficients are very important in the decision making process when it comes to windows and doors.
Replacement Windows Denver | 303-794-0490 | Gravina's Window Center of Littleton
How do we install a Replacement Window? In this video, two of our installers show you how to install a replacement window at a project in Southwest Denver.
Lots of replacement windows fall "flat" when it comes to design and appearance. With Infinity from Marvin you not only maintain the traditional profiles and appearance of wood windows; you'll increase your home's energy efficiency, get a variety of convenient features and never have to paint or stain your windows again!