Hi.. I'm sure you've thought of this, but what about a mudroom [wall] starting at stairs going down? isn't there a sink on other side of the wall already? And you want a shower or tub in that same area...

I just realized that you are eliminating the garage, is that correct? Have you seen a casual room using a good-looking garage door for an industrial look?

Nano doors I think they're called could open family room to the outdoors

House 6 - Menlo Park · More Info

Allen Construction - SanDiegoPivotDoors.com My name is David Hill. We specialize in custom windows and doors. We have a system that can open up the complete wall. Email david@fenstermann.com. We do custom pivot doors in solid wood and aluminum... you design and we build. Neoporte Modern Door makes similar oversized, pivot doors in stainless, painted, and weathering (aka cor-ten) steel.

Las Canoas Remodel Center Pivot Door · More Info

Houzz shows many cool products; 38 Spatial, Inc. shows doors that are a custom plastic product. Cost is reasonable... these doors to bring bit of sun to mudroom, etc.. etc...?

Or Interior resin sliding doors from www.3-form.com

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FORMA Design · More Info