Outdoor, Hardscapes, Back Yard, and Decking Patio, Porch, Deck The house is also Build it Green Certified, beating the sustainability requirements of Title 24 (guidelines issued by the California Energy Commission Building Energy Efficiency Program) by over 50%. The house’s laundry is hooked up to a grey water irrigation system and its gutters drain rain into barrels for reuse. The concrete also incorporates 25% fly ash.  Photo 1 of 32 in nice from One Bedroom Became Three in This Space-Efficient San Francisco Renovation

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The house is also Build it Green Certified, beating the sustainability requirements of Title 24 (guidelines issued by the California Energy Commission Building Energy Efficiency Program) by over 50%. The house’s laundry is hooked up to a grey water irrigation system and its gutters drain rain into barrels for reuse. The concrete also incorporates 25% fly ash.