You simply inform AKON about your desired design and we could have it fabricated...
canvas
You have moist air exterior, and you've got moist air inside--except in the course...
Keep all the opposite doorways closed so mud cannot blow out into other areas...
At the tip of the winter, rinse the tarp and let it dry completely....
And with any picket or laminated flooring in the basement, enable for enlargement alongside...