How to Test a Drafty Window for Improper Installation

Find out how to test a window for improper installation.  Learn why high-quality insulated windows should not be drafty, how to determine where a draft originates, and how to tell if a window was properly installed.

Post new comment

Type the characters you see in this picture. (verify using audio)
Type the characters you see in the picture above; if you can't read them, submit the form and a new image will be generated. Not case sensitive.