Installing Vapor Barrier Around Recessed Lights

Just use the tenmat product or use ic rated recessed fixtures.

Installing vapor barrier around recessed lights.

It is important to use a vapor barrier when installing an elec. We install a number of pot lights prior to insullating our attic. Made my own by cutting rigid insullation forming into boxes to fit around with edges sealed with tuck tape. With the recessed lighting vapor barriers do i leave them empty or do they get illed with insulation as well.

Installed recessed potlights ic type inside large plastic shells vapor barrier. The science of moisture movement. I tried the vapour barrier covers you can purchase and they were too big i could get a tight fit. Remove any nails screws staples or large splinters on the joist face where the vapor barrier attaches.

Water vapor can pass through building materials in several ways including direct transmission and by heat transfer but studies suggest that fully 98 percent of the moisture transfer through walls occurs through air gaps including cracks around electrical fixtures and outlets and gaps along baseboards. Installing batts in most existing homes however is rarely feasible as drywall would have to be torn down a messy expensive time consuming proposition. This product it made out of very thin plastic and will burn or melt when exposed to heat. In this video i show you the process for installing a vapor barrier around an electrical box.

Thus installing vapor barriers on wall surfaces must. Blown in insulation can be added to. Look over the ceiling joists before installing your moisture barrier. I am going to reinstall new insulation and cover the hot side with vapor barrier before installing drywall.