Insulspan Structural Insulating Panel Systems (SIPS) provide higher effective thermal resistance and lower air infiltration than comparable building systems. For more than 28 years, Insulspan has led the industry in the development and manufacture of SIPS and they continue to pursue innovation in panel fabrication and performance.

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Fingerle Lumber Co. is family-owned and has been in downtown Ann Arbor, Michigan since 1931. We feature the most complete selection of lumber, millwork, and related building materials at one location in the Midwest. We take pride in our ability to help you make informed buying decisions by providing you with honest, understandable advice and complete product information. Our goal is for our prices to be competitive - including with those of the BIG BOXES. We believe they are. If you find otherwise, please let us know and we'll probably be able to meet or beat them!

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Ferguson is the largest distributor of Residential and Commercial plumbing supplies and PVF, and one of the largest distributors of HVAC and Waterworks in the US.


3250 WEST LIBERTY ROAD  •  ANN ARBOR  •  MICHIGAN  •  48103  •  (734) 332-1500