GET ONE FOOT BY ONE FOOT CONCRETE BLOCKS THEY WORK GREAT AND ARE WAY CHEAPER AND EASY THAN CONCRETE AND IT TAKES ABOUT 1 HOUR 2 LAY THEM ALL DOWN FOR TWO 5 X 10 KENNELS AND THE BEST THING IS IF U EVER DECIDE 2 MOVE U CAN JUST PICK THEM UP AND MOVE THEM IT COST ME A 165 DOLLARS 2 DO 2 5 X 10 KENNELS I WILL POST A PICK
U CAN MAKE THEM SLOPE OR DO WHAT U WANT WITH THEM THE URINE DOES NOT STAND AT ALL IT