Sustainable architecture continues to grow in popularity, with cob houses emerging as a new trend. These houses, made from clay, straw, water, and sand, have been around for centuries in various parts of the world. While building codes in the U.S. are catching up, it is possible to get a cob house permitted in any state with some knowledge of navigating permits.
Cob building is an ancient technique used in many countries, known for its affordability and flexibility in design. Recent updates to building codes have made it easier to get permits for cob houses in states like California and Oregon. However, regulations still vary by location, so it’s important to check with local building departments.
Building codes for cob explained
Cob houses have recently been included in the International Residential Code, allowing builders to obtain permits by demonstrating safety through tests. While the IRC provides guidance, local building codes may still vary, so it’s important to check with your county’s regulations. Some regions have specific codes for earthen buildings, making it easier to get permits for cob houses.
Is building with cob a good idea?
Cob building is an eco-friendly alternative with energy-saving benefits and high durability. However, it may not be suitable for all climates, especially those with extreme temperatures or high moisture levels. If a cob house isn’t feasible for your area, consider other earthen building techniques as alternatives.