|Washington Roofing & Insulation |
re-coated this Salt Dome in Iowa with the
Spray Polyurethane Foam roof system.
Oklahoma, according to SprayFoam Insulation & Roofing magazine, has the most monolith domes than any other state, and a lot has to do with the fact that Oklahoma is known as "tornado alley." In fact, many school districts in the state are constructing monolithic domes to provide an emergency shelter for their students. Dome schools can also be found in Texas, Kansas, Missouri, Arizona, Minnesota, Florida and Idaho, according to the article.
Source: SprayFoam Insulation & Roofing magazine
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