Concrete Walkway, Jimmy DiResta | Ask TOH

Coming up on the next episode of ASK This Old House Mark replaces a concrete walkway with brick pavers; Richard explains how gas piping is installed in a home; Kevin returns to upstate New York to build a farmhouse table with maker Jimmy DiResta.   How to Replace a Concrete Walkway Mark replaces a concrete walkway with brick pavers. Where to find it? Depending on the size of the walkway, Mark suggests that it's easier to break apart the concrete using a pickax and a sledgehammer.