Premium Mid-Century Home This beautiful home, nestled in the Marin hills, was originally built in 1962. Here’s our crew installing a TPO roof. TPO roofing is a durable and affordable choice for flat roofs. The Capstone Roofing TPO crew working on high. TPO roofing systems are a great choice for many Mid-Century Modern homes. Norman, Capstone Roofing's team supervisor for TPO Working in Marin provides a beautiful view. Capstone Roofing has all of the equipment to get the job done.