"We just wanted to tell you how pleased we are with the patio door that was installed and the Gutter Caps that were installed several weeks ago. The patio door looks great and we love the Gutter ... » more
- Harlan and Sandy Henzen of Davenport, Iowa


» More Testimonials

Hermetically Sealed Unit

An insulating glass unit made up of two lites of glass, separated by a roll formed aluminum spacer tube (at the full perimeter) which is filled with a moisture absorbing material. The unit is then completely sealed, creating a moisture-free, clean dead air space.

Not quite sure what the proper home improvement terms are? Let us help. We have put together a glossory for you to learn a little bit more about Home Improvement Glossary and Terms

For furthur reading please see our Learn the Basics Homepage.