They are usually laid with grout, like masonry. I am thinking of using wood strips between though so I can remove them if need be. I paid $2 each for them, plus delivery.

The mrs was asking me today if I really saved anything from buying new.....pshhhaw! Savings smavings, this was an adventure!

Shoot I almost got blowed away like Dorothy and To to.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.