How can I cover the expansion gap for flooring near patio doors?
I had a similar situation when I redid my basement - couldn't put baseboard in to hide the gap between the doorway and the laminate flooring at the entry door. The most common solution I've seen in images I found on the web and in my chosen home improvement store was to use color coordinated T-moulding along the doorway right up against the bottom sill. I'd add an image, but I don't have one handy, alas.