Double wall construction / Green Building & Sustainable Home Renovation Information & Advice

...Double wall construction © Bala Structures On the inside of this 2x8 wall is the polyethylene air/vapour barrier. Inside of that is a 2x4 utility wall, holding all of the electrical, plumbing, and data cabling. This wall is also insulated with Roxul batts. Finally, a standard layer of sheetrock covers the interior wal...

...double exterior wall are plenty. It eliminates thermal bridging through studs, provides lots of room for insulation, and the air/vapour barrier is sandwiched between walls where it won't need to be punctured for electrical work, as all wiring is done on the interior 2x4 wall. High efficiency Double wall assembly...