Frost build up on aluminum exterior door threshold- help!
by
Cindy Nelson
I keep getting frost build up on the inside of my front door. I put down vapor barrio before installing but still having a problem. I think it is because I have a cold air return 4 feet away and directly in front of the door. All the pros tell me that isn't the problem but they can't fix it. Any ideas?
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The best way to eliminate condensation on sliding glass doors is to install a new, insulated glass door (double pane glass).
The ice forming on the frame can be avoided if the sliding door frame has a "thermal stop". This is a plastic section built into the frame at the midpoint. It separates the metal frame into two sections that do not touch, thus stopping the heat from migrating to the outside. The result is that the frame will not ice up on the inside.
I have the same thing haven on our metal door. But hold on did I miss something?? I must have missed the "sliding doors thing " I didn't see where Miss Cindy said her Door was a sliding doors. If you have any metal door and live in a very cold state I think this will happen. I have found if the humidity is high in the house it sure makes it worse. Good luck Miss Cindy. I feel your pain. ---Gigi�--GigiG---
Examine the condition of your weather-stripping where it runs under the door. It may need replacing. I installed a door sweep on my front door and replaced the well-worn threshold and that solved the problem here. (It may not have been the same cause & effect you have, but it is a possibility) . BTW, it seems odd to me to have a cold air return or a heat vent right in front of your front door. Dirt tracked in at an entry would fall into the vent or it would be covered by the rug you wipe your feet on. Neither are good situations.