Vinyltek is NAFS certified

NAFS Compliance is in full effect

The North American Fenestration Standard (NAFS), often referred to as a Harmonised Standard is in full effect for Windows, Doors and Skylights.

We only ship product that is NAFS compliant, and displays the design pressure lab test results on our labels. If you are buying windows without the certification or labeling, beware, your local inspector could reject and cause you to remove windows without!