There are few greener or better investments than insulation.  And at Decorah Building Supply we’ve got your covered with the best brands in the business.

Owens Corning is one of the best and most recognized names in the business.  Go to their site for home insulation information and easy insulation projects you can do in a weekend that will save money on your energy bills all year long.  Then stop in at Decorah Building Supply for goods that’ll get you going.

And talk about flexibility, Thermal 3Ht Insulation is available in rolls, accordion fold and boards (sheets). Thermal 3Ht comes in thicknesses from 3/8” to 2” or thicker by special order. Boards are available in 4’ X 8”, 4’ X 10’ and 4’ X 12’ sheets. Accordion fold is available in 200 sq. ft. bundles and rolls which are manufactured in thicknesses of 3/8” and ½” X 72’ long.  See their web site for all the details.

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