Patent ID: 7452159

Claim:
A method of forming a sidewalk, the steps of the method comprising: preparing a form to outline the sidewalk; preparing a leveling layer of porous composite material in the form; mixing a combination of butadiene rubber granules and peelings or buffings and a binder of isocyanate polyurethane to form a pourable slurry; varying the proportion of butadiene rubber granules relative to the amount of peelings or buffings in the combination to increase or decrease the porosity of a base layer of the sidewalk; pouring the slurry of rubber and binder in place in the form over the leveling layer to form the base layer of the sidewalk; leveling the poured rubber and binder slurry; mixing ethylene propylene diene monomer (EPDM) and a binder of isocyanate polyurethane to form a pourable slurry; pouring the slurry of EPDM and binder in place over the base layer to form a wear layer of the sidewalk; and leveling the poured EPDM and binder slurry.