NA Percussion has a floor for sale.  Description as follows:

Used 42x70 Floor Tarp

-New in 2013 from Electra-Tarp

-Used for 3 Seasons, 3 Coats of Paint

-Overall Good Condition, a few tiny holes that have been patched

-Available Immediately in Wexford, PA

-$250

Please email Evan Brown if interested at evanjbrown@gmail.com