Project Case Study
James Hardie Siding Installation in Longmont, Colorado
A full James Hardie fiber cement siding installation for a Longmont homeowner, completed by a licensed Class C general contractor with 30 years of field experience and hands-on James Hardie installation expertise.
Installation in progress — HardieWrap weather barrier and fiber cement panels going up on the Longmont home
HardieWrap and fiber cement panel detail, properly lapped and fastened to manufacturer spec
Project Overview
This Longmont homeowner replaced aging, hail-damaged siding with James Hardie fiber cement — the material we recommend for nearly every Front Range home given Colorado’s combination of hail exposure, intense UV at altitude, and sharp freeze-thaw cycles.
Every panel was installed over a properly lapped HardieWrap weather-resistive barrier, with fastener spacing and clearances set to manufacturer specification. That detail matters: improperly installed fiber cement siding is one of the most common causes of early warranty claims, and it’s also the difference between siding that holds up to a Colorado hailstorm and siding that doesn’t.
James Hardie’s ColorPlus Technology finish carries a 30-year warranty — the strongest in the fiber cement category — and siding replacement typically returns 65–75% of project cost at resale, according to the 2025 Cost vs. Value Report.
Project Details
Location
Longmont, Colorado
Material
James Hardie Fiber Cement
Warranty
30-Year ColorPlus
Contractor License
CON-24-0152 (Class C)
“James Hardie fiber cement is the only siding I recommend for Colorado homes. I’ve installed it across Longmont since 2014 and I’ve seen it take direct hail hits that would have destroyed vinyl or wood. The install quality is what separates a 30-year warranty that actually holds up from one that gets voided on a technicality.”
Josh Brooks
Licensed General Contractor — License CON-24-0152 | 30 Years of Field Experience | Serving Longmont & Boulder County Since 2014
Considering James Hardie siding in Longmont?
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