Allied Moulded's Vapor Seal products were designed for use in energy efficient homes and provide a solution to maintain the integrity of the vapor barrier on exterior walls， preventing air leakage and infiltration. The patented box design features a flange that is self supporting yet flexible enough to accommodate the dimensional and alignment irregularities in construction， sealing the vapor barrier and preventing cold， Winter air from leaking into the house. Allied Moulded's Vapor Seal products aid in construction methods as outlined in 402.4 of the 2009 International Energy Conservation Code， saving the contractor and the homeowner time and money.

Polyurethane flange for single drywall offset

Rigid hard box construction， no distortion with high temperatures， shatter resistant with low temperatures

Machine tapped device holes， leveling ribs

35 lbs. fan rating， 50 lbs. fixture ratings