I'm looking for some ideas on how to keep my trailer from getting mildew over the cold winter months which was an issue a couple years ago. Tried the chemical dehumidifiers the last couple years but they freeze solid at some point and stay that way till spring, hard to tell if they helped much as each only had maybe 1/2 cup of water, but no mildew. The trailer lives covered outside and has so far been unheated in the winter. Considering a small oil filled electric heater this year.

Never had any mildew problem with mine. It's not covered, not heated but plugged in to keep the batteries charged. The roof vents are open but are covered with Max-Air covers.

We have an 03 Outback. It has spent every winter outside in Michigan. Battery is brought into the house so it can be recharged a few times. Never had any mildew. We do have to keep the refrigerator and freezer doors open.

Why and how is it covered? If you remove the cover you won't get mildew.

Agree with uncovering, mildew comes due to lack of air circulation. I have moisture problems in the warm months not winter.

Had mildew all over the ceiling, walls, and any other hard surface the one year I left the windows cracked and the ceiling vent open a bit, not a fun job to clean up. Makes one think leaving things open was the wrong thing to do. The cover is/was one of the Tyvek Adco jobs.

Winter Mildew Prevention in Cold Northern Climes

17 Replies

xaugievike
Explorer
Aug 24, 2014
Never done anything other than leave roof vents open.
donn0128
Explorer II
Aug 24, 2014
Mold needs moisture. Are you sure you dont have a leak?
Padlin
Explorer
Aug 24, 2014
Had mildew all over the ceiling, walls, and any other hard surface the one year I left the windows cracked and the ceiling vent open a bit, not a fun job to clean up. Makes one think leaving things open was the wrong thing to do.

The cover is/was one of the Tyvek Adco jobs.
pitch
Explorer II
Aug 24, 2014
Agree with uncovering, mildew comes due to lack of air circulation. I have moisture problems in the warm months not winter.
K_Charles
Explorer
Aug 24, 2014
Why and how is it covered? If you remove the cover you won't get mildew.
Opie431
Explorer
Aug 24, 2014
We have an 03 Outback. It has spent every winter outside in Michigan. Battery is brought into the house so it can be recharged a few times. Never had any mildew. We do have to keep the refrigerator and freezer doors open.
tenbear
Explorer
Aug 24, 2014
Never had any mildew problem with mine. It's not covered, not heated but plugged in to keep the batteries charged. The roof vents are open but are covered with Max-Air covers.

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Winter Mildew Prevention in Cold Northern Climes

17 Replies

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