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The major components of SIPs -foam and steel - take less energy and raw materials to produce than other structural building systems. SIPs are also fabricated in a controlled environment, allowing for greater efficiency than site-built framing. The National Association of Home Builders (NAHB) estimates that the construction of a 2000-square-foot home produces 7,000 pounds of waste.1 SIPs have the ability to drastically reduce the waste generated during construction by using advanced optimization software and automated fabrication technology to ensure the most efficient use of material.


• EPS is a lightweight insulation composed mostly of air. Only 2% of EPS is plastic.2 Over the lifetime of a house, the EPS insulation used in SIPs will save many times the energy embodied in the petroleum used to make EPS.


• It takes 24% less energy to produce EPS than fiberglass insulation of equivalent R-value.3 (Scrap EPS generated during the manufacturing process can be recycled into new EPS products.)



2 Building a Better Environment with EPS. European Manufacturers of EPS, 2002.


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