Search Customer Login Careers Contact Us HOMEPRODUCTSLOCATIONSCUSTOMER TRIPCUSTOMER CENTERABOUT USNEWS Mechanical Insulation & Fire Protection Mechanical Insulation & Fire Protection MacArthur Co. stocks a wide range of industrial and commercial insulation products and accessories. We provide insulation materials used on all types of mechanical systems, boilers, piping equipment, HVAC systems and ducts. REQUEST A QUOTE FIND A LOCATION NEWS & RESOURCES Pipe Insulation Duct Wrap Board Insulation Fire Protection Accessories Benefits of Ordering Your Mechanical & Fire Protection from MacArthur Co. When you order your mechanical insulation from MacArthur Co. you get more than just a high-quality product. We are a customer-centered company that wants to ensure you have a seamless job from beginning to end. We are also dedicated to providing you with a service that is environmentally conscious, so we stock products from suppliers who adhere to industry guidelines for energy conservation and many of our products are LEED certified. To best serve you, we have a wide variety of affordable insulation to choose from along with all of the accessories you need to get the job done right and on time. We carry PVC fitting covers, mineral wool, calcium silicate, aluminum protectors, tapes, caulking, sealing products, and more. We deliver everything you need to your job site where and when you need it. Regardless of your project, MacArthur Co. is the place for all of your mechanical insulation needs. REQUEST A QUOTE FIND A LOCATION NEWS & RESOURCES PRODUCTS Mechanical Insulation & Fire Protection HVAC Products Low Slope Roofing & Insulation Steep Slope Roofing Windows & Skylights Siding, Decking & Millwork Waterproofing & Air/Vapor Barriers Other Products MACARTHUR COMPANY: EMPLOYEE OWNED Every MacArthur Company location strives to meet the unique needs of their customers. FIND YOUR LOCATION Corporate Office: 2400 Wycliff St • St Paul, MN 55114-1268 651-646-2773 or 800-777-7507 Home Products Locations Customer Trip Customer Center About Us Contact Us Careers News Follow Us Subsidiaries Energy Panel Structures Weekes Forest Products Snavely Forest Products © 2021 MACARTHURCO. ALL RIGHTS RESERVED. SITEMAP TERMS & CONDITIONS PRIVACY