Merrimack Building Supply is a large stocking distributor of Hollow Metal Doors and Frames. We also have custom in-house fabrication of sidelites, borrowed lites, and transoms. Merrimack Building Supply is a certified and Underwriters Laboratories listed company, allowing us to work on and fabricate fire rated products.

  • Standard and Custom Hollow
  • Metal
  • Embossed Door Designs
  • Bullet and Blast Resistant
  • Stainless Steel
  • Sidelites, Borrowed Lites and
  • Transoms
  • Lead Lined
  • Fire Rated

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Need More Info?
Call Us at 800.715.7001

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