Plumbing
Whether you are building a standard stick frame house or a panel home, Premier does not recommend placing plumbing chases in the exterior walls. This eliminates the possibility for condensation and frozen pipes.
Situations do arise in which it becomes necessary for a builder to consider options for chases in the exterior walls such as a kitchen sink next to a window or washer and dryer unit next to an exterior wall. This situation can be answered through the use of an “island vent” through the floor to the nearest interior wall.
Another possible solution is to use an Air Admittance Valve (AAV). AAV’s are
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