Installation Guide

8 CertainTeed Corporation, Building Science Department
Electrical Outlets – Figures 12 and 13
• Wrap and seal electrical boxes using recommended sheathing tapes and sealants.
• Airtight plastic boxes are recommended.
Plumbing Penetrations – Figure 14
• Secure plumbing lines to a rigid mounting panel.
• Seal penetrations using recommended sealants.
• Attach MemBrain
™
sheeting to mounting panel using recommended sealants.
Figure 13: Airtight electrical outlet box.
Wire seal
Airtight seal
(Box gasket)
Seal MemBrain™
SVR Sheeting to
outlet box using
recommended
sheathing tape
Figure 12: Sealed interior electrical outlet.
Caulk wiring
penetration at
outlet box
Seal MemBrain™
Sheeting to
outlet box using
recommended
sheathing tape
Figure 14: Mounted and sealed plumbing penetrations.
Sealant
Mounting Board
Sealant