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Dean Lumber Insulation

Insulation is something that you don’t necessarily see, but you feel when it’s there and you feel when it’s not. It will make the difference in keeping you toasty warm in the winter and cool in the summer. It will also make a big difference in your wallet. A home that is properly insulated will cost less to heat and cool, and those savings will add up throughout the year.

Our knowledgeable consultants can help you choose the best form of insulation for your home and will guide you to purchasing the proper amount. More is not best in this case.

Count on our experienced Dean Lumber installers to properly and thoroughly install your insulation.

Click here for an easy to print guide to insulation products.

Guardian logoFattBatt logo

Ultra Fit logoAttic Guard logo

__________ Areas of the Home to Insulate

How does your insulation measure up?



Located in the heart of Southern Maryland, Dean Lumber offers an almost endless supply of your home building or remodeling needs. Whether it is garage doors or cabinets, millwork, insulation, spray foam, shower doors, mirrors, locksets, surrounds, countertops, vanities, siding or more, Dean Lumber has you covered.

Not only does Dean Lumber carry all these fine products for your home remodeling projects, these products are from the top manufacturers, companies like: Anderson, Fiberon, Therma Tru, Simonton, Formica, Corian, Heatilator, Kraftmaid, GAF, Trex, Azek, Hurd, Amarr, Raynor, Certainteed, Hardi, and many more.

Dean Lumber understands what folks in Southern Maryland are looking for, whether a Kitchen & Bath project, or if you're looking for replacement windows, need new shingles, cabinets, lumber, or any other building products, we have it.

Dean Lumber has been serving Southern Maryland since 1920, that is 90 years of working with you and your neighbors in St. Mary's, Charles, Calvert, Anne Arundel, Prince Georges, King George, Hollywood, Lexington Park, California, Leonardtown, Great Mills, Mechanicsville, Hughesville, Charlotte Hall, Waldorf, Solomon's, Lusby, St. Leonard, Prince Fredrick, Dunkirk, Annapolis, Edgewater, White Plains, La Plata, Dahlgren, and neighboring Virginia.