Installation Guide

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Figure 6: Building envelope penetrations.
Penetrations – Figure 6 through 11
Building envelope penetrations include windows, doors, dryer vents, bathroom exhaust fans,
electrical outlets, gas lines, plumbing, etc. (See Figure 6)
Cut and t the MemBrain
sheeting tightly around the penetrations. (See Figure 7)
Seal the lm around all electrical, HVAC and plumbing penetrations with recommended sealants
or sheathing tapes.
Plumbing
Penetrations
Exhaust Vents
Electrical Outlets
Windows
Chimneys