There was a thread a while back regarding outdoor mats. I wanted to post a link to ours at the time but the tag was gone and I couldn't remember the brand (first the hair, then the memory). Anyhow, I came across them today on Amazon. They are really good mats and come in several sizes. One time we got hit by a lot of rain and our campsite turned into a mud pit. Both of our mats were covered in an inch or so of mud. Hosed it right off. No visible wear after four years or more. I added some grommets to stake them down when necessary.
jor
Amazon.com : Mad Mats Oriental Turkish Indoor/Outdoor Floor Mat, 4 by 6-Feet, (http://www.amazon.com/gp/product/B003S6GFVG/ref=s9_simh_co_p86_d0_i3?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=left-2&pf_rd_r=08BRSEP6EZQ51JHK5EF6&pf_rd_t=3201&pf_rd_p=1774862022&pf_rd_i=typ03)
Thanks jor.. After reading your post I ordered one to place in front of my sofa.