Window Terminology | Explore Our Glossary

Our window terminology section can help you better understand the many definitions and concepts you see and hear during your home improvement project. Our glossary is a comprehensive section that addresses hundreds of definitions that are in some way, shape or form related to home windows. But, like a real library that has books sorted by subject matter for easier reference, our library has the terms sorted by type and functionality to make it easier to reference and find what you’re looking for.


Window Terminology Basics

Knowing more terms and definitions makes you a more informed consumer when it comes to researching and shopping around. It means that before you hit the stores or are sitting face to face with contractors, you will be knowledgeable about the different aspects of replacements and new construction. This knowledge will help you better determine why certain replacements may be more suitable for your home and your budget, and will make it less likely that you’ll get swayed into buying something you don’t want.


Use the links below as a resource to become a more informed consumer. You won’t be sorry you took the time to read from our library on the many terms and concepts surrounding replacements and new construction. We have broken our glossary of terms down by section – components, construction, frames/materials and installation. As an additional learning tool, explore general pricing information.


Components Terminology – Find great terms in here on all of the different parts that go into making solid or ineffective parts.


Construction Terminology – Explore technical concepts in this section, things like U-value, STC and wind load.


Frame Terminology – Explore the many materials and frames available. In addition, find a brief explanation of all the types out there; double hung, casement, awning, gliders, etc.


Installation Terminology – Explore terms related to installation and accessories. Find a whole host of glossary definitions related to this important home improvement project.