Structural Insulated Panels (SIPS) are made from a thick layer of foam sandwiched between two layers of Oriented Strand Board (OSB), made of plywood or fiber-cement. "The result is an engineered panel that provides structural framing, insulation, and exterior sheathing in a solid, one-piece component." (Toolbase)
--SIPS are extremely easy and quick to install; since they come from the factory pre-constructed to your specifications, your walls can be up in three days
--They are long-lasting and durable
--SIP-built homes are quiet
--They can be adapted to nearly any type of building design
--They provide superior insulation -- no more cold walls in winter!
Porter SIPS, in Holland, Michigan, is within the 500-mile radius required by LEED-H specifications to allow a material to be designated as "local". Porter SIPS' price came in thousands of dollars lower than Insulspan's,
another leading manufacturer. In addition to offering a price
advantage, Porter will send a consultant to help advise during the
Image Credit: The Murus Company, Inc.