"Steve DeMars" writes:

I have a garage, 17' X 20' inside area. It is a converted carport . . .
There lies the problem . . . The carport was poured with a "hump" in the
middle running across the 20'. This was so the rain blowing in from front

Do you realy want a "destroy-any-edge-that-falls-on-it" floor in your
workshop? Consider a wooden or OSB floor shimmed level over the concrete.

--
Dr. Juergen Hannappel http://lisa2.physik.uni-bonn.de/~hannappe
Phone: +49 228 73 2447 FAX ... 7869
Physikalisches Institut der Uni Bonn Nussallee 12, D-53115 Bonn, Germany
CERN: Phone: +412276 76461 Fax: ..77930 Bat. 892-R-A13 CH-1211 Geneve 23