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Maintenance Free James Hardie Siding Installers Denver, Colorado.

Colorado Window Source is proud to offer James Hardie® Siding Products in Denver. $2,000 Off Now Through April 30, 2019.

James Hardie provides innovative siding products that increase the beauty, value, safety and durability of your home. Enjoy the low maintenance that comes with baked-on color, and feel safe knowing that our siding products are resistant to just about anything Mother Nature can throw at them.


Colorado Window Source is an established your source for James Hardie Siding!

The North American climate creates a variety of challenges for building materials, especially siding. From freezing, sub-zero temperatures, to dry heat, to high humidity, to hurricane force winds, Mother Nature is always testing the exterior of a home. With over four million successful installations, James Hardie has defended North American homes from these elements coast to coast. We are now unveiling a new concept to the building industry – siding that’s engineered for climate. We call it the HardieZoneTM System.

James Hardie has always been ahead of the siding industry curve. With the development of the HardieZoneTM System, that gap has grown wider. James Hardie’s commitment to Research & Development has led to our seventh generation of product advancement, which is the highest performing fiber cement siding in the industry. The HardieZoneTM System represents a logical extension of Hardie technology: “one size does not fit all.”