Shelter Products, Inc. (SPI), is a locally owned wholesale company supplying both retail building centers and the manufacturing housing industry. SPI covers all of Minnesota, eastern North Dakota, eastern South Dakota, northern Iowa and western Wisconsin. SPI trucks service these areas weekly, providing our customers with extensive product lines, allowing them to carry fewer inventories.

Our Mission:
Shelter Products, Inc. (SPI) has a mission to meet and exceed customer expectations, providing high quality products, on-time delivery and competitive prices. Our friendly, professional staff will strive for superior customer satisfaction.

Press Releases:
Fiberon named 2015 Eco-Leader by Green Builder magazine

Diamond Pier Featured in the Professional Deck Builder Publication

Home Inspector: Diamond Pier footings make decks easier to build

Therma-Tru Ranks #1 in Quality for Entry Doors in 2015 Builder Brand Use Study

Shelter Products, Inc. joins Therma-Tru family.

Shelter Products, Inc. Announces Partnership with EPA's ENERGY STAR® Program

Shelter Products, Inc. Joins Fiberon Distribution Network to Deliver Extensive Composite Decking Line to Upper Midwest