Use Of Plastic Wall Sheets In Cold Climates

Without a vapor barrier in place condensation inside the walls could ruin the.

Use of plastic wall sheets in cold climates.

This barrier is meant to keep moisture from getting to the insulation in the walls and ceilings and it is required by building codes when insulating most houses. Vapor barriers are sheets of plastic or other material placed on one side of insulation sheets. In very cold climates the use of polyethylene plastic vapor barriers between insulation and interior wallboard may be beneficial provided all air gaps into any wall and ceiling cavities are also blocked. When designing plastic components for use in cryogenic conditions it is generally beneficial to select plastic materials that exhibit ductile behavior at low temperatures and have low rates of thermal expansion.

For cold temperature applications where heat transfer is a concern it is also important to select a plastic material with. In cold weather a sheet of poly on the interior side of a wall probably won t cause any problems. The humid air is indoors and the dry air is outdoors. Cambridge ma 02139 4307 1 617 253 3291.

Fiberglass insulation must stay dry to be effective. This same process occurs inside the walls of your home. Mit school of engineering room 1 206 77 massachusetts ave. By installing a sheet of poly there you cut off that drying mechanism and water that finds its way into walls can stay there longer and do more damage.