Air Vapor Barrier Box

Low voltage wiring application.

Air vapor barrier box.

In summer when humidity is high it increases permeability so that moisture can escape as air tightness is maintained. The lessco air vapor barrier box can be used in many different configurations. The ceiling box comes with an adjustable hanger bar for ease. Lessco low energy systems supply company inc.

For extra protection against moisture the membrain continuous air barrier and smart vapor retarder is your weapon of choice. The product has been on the market and used throughout the united states including alaska since 1985. It lets wall cavities dry out to help prevent mold. W1330 happy hollow road campbellsport wi 53010 phone.

Roll with dimensions of 39 x 100. F5 air vapor barrier is available in a 325 sq. The rule for vapor barrier installation in cold climates is to have it on the interior with at least 2 3rds of your insulation on the outside of the vapour barrier. The factory controlled thickness of the membrane ensures uniform barrier properties and the woven polypropylene film increases strength and has a non skid surface suitable for the bonding of subsequent layers.

The vapor barrier box is designed to meet the energy efficiency requirements of modern homes. They feature a foam gasket that provides a vapor tight seal preventing the free flow of air through the box. In winter when humidity is low it continues. The job of both air barriers and vapor barriers is to prevent moisture from forming at that critical point they just do it in completely different ways.

However cold air often finds its way through missed holes and cracks and an electrical box by itself offers no protection and unless ensure that it is has a vapor barrier you run the risk of it corroding and causing future electrical problems. The lessco air vapor barrier box was developed in 1985 by stephen lentz an airtight homebuilder at that time. But it can be used in outside walls and ceilings. The lessco air vapor barrier box eliminates air leakage through electrical boxes prevents moisture damage in walls and ceilings improves energy efficiency.

This helps control heating costs in the winter and cooling costs in the summer.