Since 2000, Doors Unlimited, Inc. has been addressing the needs of our customers by providing
a high level of service, quality workmanship, and dependability in the commercial door, frame, and
hardware market. Our success has been built on a simple principle: take care of every customer like
they were a member of our family. Since the beginning, our top priority has been to provide stellar
customer care and to take pride in assisting our customers with every project. Whether it is small or
large, our knowledgeable staff will ensure that your order is handled with the utmost attention to detail
and ensure your complete satisfaction.

Make Doors Unlimited Inc. your one stop for commercial hardware, door hinges, commercial
door closers, commercial locks, toilet accessories & bathroom accessories, and so much more.

 
Wood Doors   Metal Doors
Quality Wood Doors to Meet Your Every Need!   Basic Door Designs 
   
We have the resources to custom produce the finest quality doors to meet the unique specifications of each individual project. Each of your projects is special; each of your projects has a solution.

View Our Stain Colors Here
View Our Wood Veneer Selection Here
  We offer a complete line of standard and specialty hollow metal doors to fit your architectural needs. Republic Doors are available in 20, 18, 16 & 14 gauge cold rolled and galvanealed steel. All doors come with a 3/4" cell honeycomb core as standard, providing every door with a smoother,  flatter, and stronger door.  Republic honeycomb  doors are available in a complete range of fire  ratings (20 minute up to 3 hours) and are certified  under both Underwriters Laboratories and  Warnock Hersey/ITS.  All doors are manufactured  from stretcher level quality steel and are  thoroughly cleaned and phosphatized inside and  out offering excellent corrosion resistance and  paint adhesion.
     

 

    Optional Door Cores 

FRP (Fiberglass Reinforced Polyester) Doors
View Selections Here
  Polystyrene (Solid Core) - 1 lb density expanded  polystyrene per ASTM 578 U-Factor of .13

Polyurethane (Solid Core) - 2 lf density  polyurethane per ASTM C591 U-Factor of .10

Steel Stiffened - Vertical hat shaped stiffeners of  20, 18, and 16 gauge with mineral wool or  fiberglass batting between stiffeners. Stiffeners  are welded maximum of 6" apart and on 5" centers.

Temperature Rise/Mineral Fiberboard - Mineral  fiberboard capable of withstanding a maximum of  250° temperature rise in 30 minutes. U-Factor of .26
     Click Here for a Complete Product Catalog
     

Visit us at our new location of
Doors Unlimited, Inc.
152 Hamilton Street in
Leominster, MA.

(Located across the street from our old building).