Is Solar Really Mandatory in 2020?

Is Solar Really Mandatory in 2020?

For developers in California, the prospect of building low-rise multifamily and single family residential buildings in 2020 can be challenging for one reason: photovoltaic systems are becoming effectively mandatory according to the California Energy Code starting...
When is a Vapor Barrier Required?

When is a Vapor Barrier Required?

Why are vapor barriers required? Take your cold soda can or glass of ice water: what happens to the exterior of that container when sitting on your table? It develops condensate. Why? Because the temperature of the container falls below the dew point temperature given...