peyton
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|  | moisture problem
« Thread Started on Aug 20, 2004, 6:17am » | |
We built a metal building for a weekend place and insulated it too well. Now we have condensation on the inside windows and walls and mildew growing on the paneling, etc. We only go there on weekends so we keep it closed up all week. We have cracked windows open and used fans to blow air. There is a lot of rain there so we aren't sure if opening the windows help or hurts. We insulated the ceiling and the air wasn't circulating to the roof vent so we cut some holes in the insulation in each room and put an open grid in the ceiling there to try to get air to circulate better. We had solar power so we didn't have enough electricity for central heat and air. We are looking into that now. Would appreciate any suggestions.
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Gruffy
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Location: Monominto Mb
| | Re: moisture problem
« Reply #1 on Aug 23, 2004, 6:10am » | |
 Wow... you've stolen our cottage!!
 Except the water part. Your not telling us something.  Our little cottage is sheet metal insulated and sealed to R60 floor, R25 wall and R25 ceiling and moisture is never a problem.  We vent throug a 6 inch chiminey.. which only has fire in it when we are in residence and have never had condensation problems. We are also solar powerd by the way.
 So tell us more... what kind of floors?? slab?? crawlspace??? etc.  Maybe we can help.
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peyton
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| | Re: moisture problem
« Reply #2 on Aug 23, 2004, 1:48pm » | |
The floor is concrete slab with six inches of insulation in the walls and the windows are double pane insulated glass windows. It is cooler inside when it is hot outside and warmer inside when it is cold outside so water in the air condenses on everything. We have a dropped ceiling with those standard panels and florescent lights.
The metal roof has a vent that runs across the top of the whole building 40x60. There are no vents on the ends of the building or along the sides. We are now able to get regular electricity so are considering putting in a central heat and AC unit. Do you think the fan circulating the air will take care of this problem?
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Gruffy
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Location: Monominto Mb
| | Re: moisture problem
« Reply #3 on Sept 1, 2004, 8:13am » | |
Sorry to be slow to get back to you....
SEAL THE FLOOR
The moisture is probably comeing up through the slab. If you go to Lowes or Home depot, they sell concrete sealer for less then $20 a gallon. Clean the floor... as in sweep and wash it well. Let it dry and brush on a thick layer of the stuff. It will look like diluted white glue. Once it drys, the floor will even sweep better, and the moisture problem should be solved.
Let us know how you make out with it!!
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peyton
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| | Re: moisture problem
« Reply #4 on Sept 1, 2004, 8:47am » | |
Thanks for the suggestion. We put a vapor barrier down when we poured the concrete slab. I didn't mention but we have vinyl tile on the floor and it stays dry so I don't think the moisture is coming from the slab. I think it is condensation from the air as a result of the outside temperature being warmer than the inside. We have purchased a dehumifier and it is taking a gallon of water out of the air daily sometimes more.
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Gruffy
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Location: Monominto Mb
| | Re: moisture problem
« Reply #5 on Sept 1, 2004, 10:58am » | |
We have a similar situation in the basement. The vapor barrier under the concrete wasn't worth a hoot. We had to seal and install an inside barrier before we laid a floating floor.
Temperatures here range from +7C at night to +29C daytime with humidity up to 90% (about+8F to +85F). We also run the de humidifier just to be comfortable, but we don't get condensation forming.
Do you have any other source of moisture???
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