Troy Rodriguez has spent his career making parts for space satellites and military aircraft — so when it came time to build his home, the engineer and co-founder of Sierra Microwave Technology LLC poured the same meticulous planning into constructing a practically disaster-proof, 10,000-square-foot mansion.
The aerated concrete walls — eight to 12 inches thick — are built to withstand fire. A rainwater collection system stores 30,000 gallons of back-up water underground in the event of a natural…
