There are several advantages of using structural insulated panels instead of the usual stick framing. For one, SIPs include insulation, air and vapor barriers and are used in place of stud framing. For another, they are extremely air-tight and provide superior insulation.
Step by step instructions and materials required for building a basic wood-framed, drywall wall (no electricals within) — with “easier on the earth” building materials.
The building industry has a huge impact on CO2 output. One builder, Chris Phillips, is trying to change that one house at a time.