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Door options for better air seal?

ryan112ryan

Member
Joined
Jan 6, 2018
Messages
13
I’m trying to spec out my new building and wanting to figure out a large door option that doesn’t have large air gaps. I’m going to be doing spray foam so the rest of the building will be relatively air sealed, but even the best of roll ups doors have pretty decent gaps. Moldings and brush sweeps can be added but that won’t really stop air very well.

I don’t plan on using the large door (12x14 foot) 99% of the time. I don’t work on cars at all, I’m a small project wood worker, so everything can be done through a man door. I’d like to have a large door just in case or if I get a large order of lumber, just have them drop it right inside. Also on nice days throw open the door for some fresh air.

I thought about having a roll up door and building a encasement on the inside with some sort of heavy duty coated fabric that could Velcro on the inside. Like a second door that I could roll up with a cord and metal conduit pipe at the bottom, like roll up blinds.

Any ideas, I’d like to have the access but I won’t use it often
 
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Kaizen

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Joined
Jan 9, 2015
Messages
6,948
Location
New England
I’m building old fashioned swing out carriage doors to cover my steel roll up door. Figure I can make it with weatherstripping.
If you use a normal door that has tracks the solution would have to take those into account. Also depends on level of seal. With foam in the rest I would want a good seal. What about simply using one piece of 6 mil plastic gorilla taped all around? When needed pull it up. Velcro wouldn’t do a good air seal imo.


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Falcon67

Well-known member
Joined
Jun 11, 2009
Messages
18,371
Location
Merkel, TX
I have a regular 16x7 overhead with vinyl weather strips around the trim. I adjusted the door so it's fairly tight to the framing and cut/placed insulation in the panels. I don't have any particular leakage issues. I could feel a bit last night but it was getting hit square with 20~25 MPH wind, enough to push the door hard. I don't have problems heating the space or keeping it warm, same for cooling in the summer.
 
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SGKent

Banned
Joined
Feb 12, 2010
Messages
1,959
Location
Citrus Heights CA
there are some limitations. Our garage has a gas water heater and a HVAC system for the house in it. Because of that they are elevated above the floor since natural gas settles to the floor. There are vents in the walls to let any gas that might be present escape out the vents, and the same would be true for the cracks in the garage door. We would not want to seal the garage so tight to defeat that safety mechanism. Some one without a gas water heater or gas furnace in their garage would not have that issue. Consider that before sealing a garage too tight.
 
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