James Hardie Siding

James Hardie Siding is #1 in Durable Beauty

Across the nation, James Hardie Siding is the #1 choice for homeowners and home builders, offering an environmentally-friendly product that is climate-customized to withstand the elements it will be subjected to.

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James Hardie Siding is the Choice of 5 Million Homeowners

James Hardie Siding specifically fiber cement siding has been installed on more than 5 million homes across the US. It has many advantages over other types of siding:

  • It is non-combustible and will not melt.
  • It is rot and fire-resistant.
  • It is highly durable in all types of storms and weather conditions.
  • It has a real woodgrain look and feels.
  • It offers insulating properties greater than most other options.
  • It is available as a pre-finished product in a selection of colors or pre-primed and ready for painting.
  • It has been awarded the Good Housekeeping Seal of Approval.
  • It backs up claims of durability with a 30-year, non-prorated warranty.

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We provide service in the Colorado cities of Denver, Arvada, Golden, Centennial, Highlands Ranch, Parker, Castlerock, Littleton, AuroraWheat Ridge, Colorado Springs, and surrounding areas.


Our Iowa office provides windows and siding installation services to clients in the following Iowa cities of Marion, Coralville, Iowa City, Waterloo, Muscatine, Cedar Falls, Grinnell, Dubuque, and surrounding areas.

Get a free quote today!


100% Lifetime Warranty

Our products are backed by our true 100% lifetime warranty* with no trip fee and no labor fee! An investment in new windows or siding from United Windows & Siding will increase the value of your home, because our warranty transfers to the new homeowners when you sell.
Call 720-535-4767 for details.

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