Interior Membrane Barrier System
In this system, the membrane serves as both the air and the vapour retarder, and therefore must be continuous.
Illustration Source: CHBA Manual, Fig.
6.2,Pg.84
In this system, the membrane serves as both the air and the vapour retarder, and therefore must be continuous.
Illustration Source: CHBA Manual, Fig.
6.2,Pg.84