Designing to dry
In middle Tennessee, I always see deck bands bolted over cladding directly to the house band. There is never any flashing and this crushes the drainage plane behind the cladding. The result is both deck and band joist rotting. I'm amazed at the lack of designing to dry.
Asked by Anonymous
Posted Mon, 12/21/2009 - 10:00
Posted Mon, 12/21/2009 - 10:00
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Anonymous,
It sounds like you understand why the method you describe is a recipe for disaster.
Here's the right way to do it:
http://www.greenbuildingadvisor.com/cad/detail/deck-ledger-standoff-band...
Posted Mon, 12/21/2009 - 11:46
That's not a failure of "designing to dry", but a failure of designing to avoid getting wet. Flashings or spacing are essential where an exterior deck meets the wall of a house.
Posted Mon, 12/21/2009 - 13:39
Martin has identified one drain-through approach from GBA; here is the other: http://www.greenbuildingadvisor.com/cad/detail/deck-ledger-standoff-band....
Posted Mon, 12/21/2009 - 21:24