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Automatic Door Bottoms

6/29/19       
Gary

Has anyone found an automatic door bottom ( lowers when door is closed) that works well and lasts a long time ?

7/1/19       #2: Automatic Door Bottoms ...
Stuart Douglas

The only ones I have ever used are from Conservation Technology.

http://www.conservationtechnology.com/building_weatherseals_bottom.
html

But I don't have any data on it's longevity. Never had any call backs, probably only 3 ever installed. Hope this helps.

7/2/19       #3: Automatic Door Bottoms ...
Fred

Website: http://www.rivercity.ca

Hi Gary,

We started to use some by Planet they are sold by Bridgeport. They have several models. They can be removed or changed without removing the door.

7/3/19       #4: Automatic Door Bottoms ...
David R Sochar Member

If we ever install one, we use the Pemko products. They appear durable, but I have no idea of the life. They do need to be adjusted correctly.

I don't like the idea of moving parts that must move into place to function. A slight failure on one of these can allow gallons of water to get into the building.

7/4/19       #5: Automatic Door Bottoms ...
Fred

We mostly use them for interior doors that require sealed door bottoms for code reasons like fire rating. Mostly house to garage or mechanical rooms. Sometimes on doors that require sound proofing.
We have used the Pemko door bottoms as well. The Planet bottoms have more options and sizes and are more user-friendly for the installer or maintenance.

7/8/19       #6: Automatic Door Bottoms ...
Craig Balzarini Member

Website: http://territoriesinccolo

we use pemko they work really well, We have used the on exterior doors and interior doors for light control as well

7/9/19       #7: Automatic Door Bottoms ...
David R Sochar Member

Does anyone have info per the 4th dimension -time?

I have observed frequent adjustment is needed, and most don't get it. the fact that the door is moving when the bottom is clamped down helps make things work lose.

I don't use or recommend since it I see it as not a passive element. One must actively - pro-actively actually - keep an eye on it and adjust as needed.

7/10/19       #8: Automatic Door Bottoms ...
Fred

Hi David,

We don't have any of the Planet out there for a decade or longer. I did use there door bottoms as I apprenticed in Switzerland 1984-88 so they have been on the marked for some time. We use them in places like temperature controlled wine rooms.
They can be adjusted with a screwdriver and removed without taking the door of the hinges. We use them in locations where customers want flat floor to floor transitions. so far there hasn't been any complains about them.


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