The good news is the high-quality paving brick can be salvaged with ease and reused when you rebuild the patio. Your patio reminds me of two failed experiments I tried back when I was in my mid-20s.

When it rains, it's porous / Concrete-slab driveways may soon be a thing of the past as new paving products address water runoff problems By Judy Richter , Special to The Chronicle Dec 23, 2006 ...

Growth has occurred both in the sheer volume of concrete consumed as well as the variety of applications in which fibre-reinforced concrete (FRC) is employed. In the early years of its development, ...