Modern Eco-Cottage Floor Plans

Artist Studio Floor Plans

Terra Firma Builders Inc. is the original SIREWALL team of expert builders and they are the best in the world at building and teaching SIREWALL.

Terra Firma Builders will be your online resource for everything related to structural insulated rammed earth, offering award-winning personal design & building services; training as well as online retail offering premium admixtures & equipment for sale to contractors and builders.

SIREWALL USA is the American provider for all SIREWALL licenses and technical support. They work with your architect and builder to realize a successful project. SIREWALL USA can provide technical support and permission to use their proprietary construction and forming details and engineered soil mix.