Butt Corner Frame Construction
Tighter tolerance, stronger seal, independently tested.
Don’t mess around with off the shelf seals. We’ve been refining our proprietary gaskets for over years.
In HVAC, there are standards. Then there’s A.J. Always exceeding the standard so you don’t have to worry.
5 Year Limited Warranty
We back up every door and panel that leaves our facility. We believe in it. You can too.
Foamed in Place Lites
No visible fasteners and a watertight seal for security and performance.