Closed cell foam does not require additional 4 mil.
Wine cellar floor vapor barrier.
If your floor is on a cement slab which rests on the ground you can get away with adding a vapor barrier only to the cement before applying your.
In understanding the role of a vapor barrier in your wine cellars the first thing you need to take into consideration is the significance of maintaining the ideal storage conditions.
If the cellar wall is against below grade masonry or if has a vapor barrier applied to the other side the cellar wall cannot dry to that side.
What is the.
Plastic and acts as both cellar insulation and a vapor barrier.
The placement of insulation and a vapor barrier in a wine cellar.
The vapor barrier is critical because water vapor naturally moves from rooms with warmer air temperatures to rooms with cooler air temperatures.
There is no need to install plastic sheeting as other options may require.
If the floor in your cellar is above ground you must add the same vapor barrier and insulation that you do to your walls and ceiling.
Poly would trap moisture in the wall promotoing mold and rot especially with all that fiberglass between the studs.
Remember the wine room must be wrapped up tight like a package.
While there are several options for insulating closed cell foam is the best way to insulate and vapor barrier your wine cellar.
This is to prevent condensation from forming on the vapor barrier and potentially wetting the insulation and forming mold.
The vapor barrier must be installed on the outside or warm side of the cellar insulation.
Insulating a wine cellar provides a heat cold break between the inside of the cellar and the adjacent spaces around the cellar.
You re wine cellar is going to be cooler than the rest of your house acting like a giant moisture magnet.