Four Seasons Insulation (FSI) is a hard working, knowledgeable, and competetively priced company that provides many applications to the construction industry. We service homeowners, general contractors, design build companies, concrete masons, and drywall contractors.

FSI is a company based out of the Litchfield, MN area with expertise in the following construction applications:

• WATERPROOFING - FSI can take care of all of your fluid applied and sheet membrane waterproofing and dampproofing needs.
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• AIR BARRIERS - With the new building codes requiring an Air Barrier, we are experienced in fluid applied air barriers systems to help ensure the building envelope is completely sealed.
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• INSULATION - FSI can serviceall of your insulation needs from spray polyurethane foam to extruded, board, batt and blown insulation.
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• INDUSTRIAL COATINGS - FSI has a full line of industrial coatings. We have a solution to protect against deterioration of concrete and other surfaces for almost any application.
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• EPOXY FLOORS - Let FSI take care of all of your floor preparation and application of epoxy floor coatings.
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• POLY-UREA - Poly-urea is one of the strongest industrial protection coatings available. Poly-urea can be formulated for your specific needs to protect anything from a truck bed to a storage tank made to hold hydrochloric acid! It provides corrosion and abrasion protection. Poly-urea also provides chemical resistance, atmospheric pollution resistance and can be used for waterproofing and structural formation and decoration. It adheres to any surface including wood, concrete, and metal.
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• ROOF SYSTEMS - FSI installs new and retro flat roof systems that come with a 20 year warranty. It is a two part system, first a layer of closed cell polyurethane foam forms a thick seamless barrier to prevent water penetration, then an elasto-meric coating forms an additional shield against moisture and offers protection from the intense rays of the sun. This unmatched dual protection makes the Permax® system the leading choice among building owners.
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