East Coast Lumber is New Hampshire's largest single location dealer of fiberglass insulation and offers a wide variety of brand name insulation products. Insulation has much more value than keeping out the cold. Properly installed insulation will retain warmth in the winter months and cool air in the warmer weather. It helps to manage noise, reduces moisture related problems, and aids in controlling energy costs. Come visit East Coast Lumber and let our knowledgeable sales staff assist you with all your insulation needs.