"You don’t think of maintenance as a sustainability issue, but it is," says Swatt, who points out that most exteriors require stain, paint, or sealant for upkeep, unlike the corrugated metal used for their prefabs which is virtually maintenance free.   Photo 7 of 8 in This Modular Home Company Designs Prefabs Inspired by Joseph Eichler

This Modular Home Company Designs Prefabs Inspired by Joseph Eichler7/8

"You don’t think of maintenance as a sustainability issue, but it is," says Swatt, who points out that most exteriors require stain, paint, or sealant for upkeep, unlike the corrugated metal used for their prefabs which is virtually maintenance free.

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