REINFORCED ASPHALT INSTALLATION - Same as above, except with the addition of petromat fabric under the new asphalt. This is used on soft ground to limited ground shifting. Provides longer life and will help prevent reflective cracking. New Concrete Installation - Typically 4 thick. Project is formed with wood 2x4's. 1" to 2" of gravel. A choice of wire mesh or rebar (Choice depends on project type). Concrete is poured over gravel, leveled out and a choice of texture - smooth to rough is applied.