James Hardie Siding — Northglenn, CO
James Hardie Siding in Northglenn
HZ5 fiber cement engineered for Front Range freeze–thaw, hail and UV at 5,400 feet — installed by a James Hardie Elite Preferred contractor continuously since 2011 and a President’s Club member.
Who installs James Hardie siding in Northglenn?
Northern Lights Exteriors is a James Hardie Elite Preferred contractor — held continuously since 2011 — and a President’s Club member, James Hardie’s highest contractor distinction nationwide.
On Northglenn homes we install HardiePlank lap in Cedarmill and smooth, HardiePanel board and batten, HardieShingle, the Artisan and Aspyre premium lines, and factory-baked ColorPlus finishes — all on HZ5 boards specified for freeze–thaw climates.
Hardieplank siding in Northglenn goes on after a full tear-off, sheathing repair and a properly flashed weather barrier — never over existing cladding. Rated 4.9 out of 5 from 552 verified reviews.
HZ5: The Part of James Hardie That Actually Matters at 5,400 Feet
James Hardie does not sell one board nationally. It sells climate-engineered product, and Colorado sits in HZ5 — the specification written for freeze–thaw cycling, not for the humid Southeast. That distinction is invisible on a sample board and decisive over thirty years.
Northglenn runs roughly 5,400 feet, which means a February day here can cross freezing in both directions before dinner. Any wall cladding that absorbs even slightly, freezes, expands and thaws on that cycle is being taken apart from the inside. HZ5 boards are formulated with that in mind, and they are the reason fiber cement outlives hardboard here by a margin that is not close.
The other two things this climate does to a wall:
UV at altitude
Thinner atmosphere means more ultraviolet reaching your west elevation. It is what chalks aluminum siding, fades vinyl unevenly, and destroys the paint film on hardboard years before the board itself gives up.
Hail, repeatedly
The Front Range takes more damaging hail than almost anywhere in the country. Fiber cement’s density is its answer — it is not indestructible, but it does not dent like aluminum or crack like cold thin-gauge vinyl.
Fiber cement answers all three by being, essentially, a mineral product. It does not feed moisture, it does not photodegrade, and it does not burn — James Hardie board carries a Class A flame-spread rating as a material. On the plains that last point is a durability footnote rather than a headline, and we will not oversell it to you: Northglenn is not a wildland-urban interface community and does not need wildfire hardening. Anyone selling you that here is selling you something.
The James Hardie Range on a Northglenn Elevation
Northglenn’s houses are, overwhelmingly, long and low. Perl-Mack built ranches and tri-levels from 1959 onward, and by October 1962 there were already 3,000 of them. That geometry rewards some Hardie products and punishes others, so the selection conversation here is genuinely different from the one we have on a two-story custom home.
| Product | How it reads on a ranch or tri-level | Notes |
|---|---|---|
| HardiePlank lap, Cedarmill texture | The workhorse, and the closest visual match to what most of these houses originally wore. A 7-inch or 8¼-inch exposure keeps the horizontal rhythm the elevation was designed around. | Going too wide on a low elevation makes the house look squat. This is the most common specification mistake we correct. |
| HardiePlank smooth | Reads modern and deliberate. On a tri-level it can make a dated massing look intentional rather than merely old. | Less forgiving of a wavy substrate, so the sheathing correction has to be right. |
| HardiePanel board and batten | Excellent as a gable-end or entry accent above lap. Full-elevation board and batten generally fights a low ranch rather than flattering it. | See our board and batten page for batten spacing and detailing. |
| HardieShingle | Gable ends, dormers and entry surrounds. A small amount does a lot of work on an otherwise plain 1960s front elevation. | Priced per square foot well above lap, which is why it belongs as an accent. |
| Artisan and Aspyre | The premium tier — thicker boards, deeper shadow lines, a genuinely different quality of shadow on the wall. | Real cost step. Honest assessment: on most Northglenn homes the money is better spent on the substrate and the windows. See Artisan. |
ColorPlus is the specification decision we push hardest on, and it is worth explaining why rather than just recommending it. ColorPlus is a factory-applied, baked-on finish rather than paint rolled onto raw board on a driveway. Under Front Range UV the difference is not subtle — a field-painted fiber cement wall is typically asking for a repaint cycle within a decade, and on a two-story or tri-level that repaint costs real money in access alone. ColorPlus pushes that decision out substantially and comes with its own finish warranty. Colors and styles are laid out on our James Hardie siding installation page, including the Woodtone options for a wood look without wood behavior.
What Elite Preferred and President’s Club Actually Mean
Two James Hardie designations get mentioned a lot in this market and are worth defining, because the words do not explain themselves.
Elite Preferred is James Hardie’s contractor program tier. It is held on an ongoing basis, is contingent on installation standards and customer outcomes, and it can be lost. We have held it continuously since 2011 — the continuity is the part that means something, because a contractor who qualified once and lapsed can still be technically accurate about having “been” Elite Preferred.
President’s Club is James Hardie’s highest contractor distinction nationwide, and we are a member of it.
Why any of this affects your wall: fiber cement is unusually specification-sensitive. Fastener type and spacing, the gap at butt joints, clearance to grade and to roofing, the flashing at every joint — get those wrong and the board is fine while the wall behind it is not. Manufacturer warranty coverage is also conditioned on installation to spec. The program tiers exist because James Hardie has the same interest we do in the board being installed the way it was designed to be installed.
We do not claim credentials we do not hold. We install LP SmartSide, but we hold no LP distinction, and we say so on our Northglenn siding page where LP is covered properly.
The System Behind the Work
Fiber cement is a product where the warranty and the wall both depend on details that are covered up the moment they are finished — fastener spacing, butt-joint gapping, clearance to grade, the flashing above every window. You are entitled to see those before they disappear, not to be told about them afterwards.
Two things make that possible, and they are the reason to choose us over a cheaper quote.
First, experience and scope. We have been working on Colorado’s Front Range since 2001, and we hold a Class C general contractor license (Colorado license #C120350) rather than a single-trade license. That is not a technicality: it means roofing, siding, windows, decks and outdoor living can run under one contract, with one project manager accountable for the flashings where those trades meet — which is precisely where multi-contractor projects leak, literally and figuratively. James Hardie has recognized us as an Elite Preferred contractor continuously since 2011, and as a President’s Club member — their highest contractor distinction nationwide. Our rating is 4.9 out of 5 from 552 verified reviews. Alongside that license we hold manufacturer certifications from James Hardie (Elite Preferred since 2011), GAF (Master Elite), Pella, TimberTech and Deckorators, and we have been named a Qualified Remodeler Top 500 contractor three years running — all of it listed, with the issuing body for each, on our awards and credentials page.
Second, a proprietary on-demand client portal we built ourselves. Most of what people hate about a remodel is not the construction. It is not knowing — who to call, whether the permit went in, when material arrives, what has been paid, whether it passed inspection. We built a system to remove exactly that, and as far as we know no other exterior contractor in this market offers it:
Every conversation in one place
Messages, decisions and change requests are logged against your project rather than scattered across texts, voicemails and three different crew members’ phones.
Contracts and scope, always retrievable
Your signed contract and itemized scope live in the portal, so “what did we actually agree to?” is a thing you look up rather than a thing you argue about.
Permit status you can see
Where the permit is in the process, and when inspections are scheduled — without having to phone anyone to find out.
Delivery and install schedules
When material lands and when each trade starts, so you can plan around the work instead of waiting for a truck to appear.
Before, during and final photography
Documented condition before we start, progress images through production, and final photography — including the parts of the building you will never see again once it is closed up.
Payments tracked per trade
What is paid and what is outstanding, broken out by trade rather than as one running balance you have to reconcile yourself.
Inspection records
Each inspection and its result, recorded against the project and available when you sell the house and someone asks.
Access is an individual, custom URL issued to you — and you get it when we start talking, at the lead and project meeting, not after you sign something. That is deliberate: you can see how we run a project before you commit to one. It then stays available after the work is finished, which matters more than it sounds, because the documentation, images and inspection records are exactly what a buyer’s agent, an appraiser or an insurer asks for years later.
Get a James Hardie Estimate in Northglenn
We will bring the ColorPlus range to the house and hold samples against your actual elevation in your actual light, which is the only place a siding color decision can honestly be made. The estimate is free, written, and specifies products by name and finish rather than by category.
Request Your Free Estimate → 📞 (303) 776-5263
Prefer email? Reach us at office@nlexteriors.com. Ask about financing options when we walk the property.
James Hardie Projects in Northglenn
James Hardie installations on Northglenn homes, with the ColorPlus finish named in each caption.
Nearby Cities We Also Serve
Northglenn is one stop on a route that covers the Denver metro. The neighboring cities we also install in:
James Hardie in Northglenn — Frequently Asked Questions
Are you a certified James Hardie installer in Northglenn?
We are a James Hardie Elite Preferred contractor and have held that designation continuously since 2011, and we are also a member of James Hardie’s President’s Club, their highest contractor distinction nationwide. Elite Preferred is an ongoing status contingent on installation standards, not a one-time certificate — which is why the continuity matters more than the label.
What is HZ5 James Hardie siding, and do I need it in Northglenn?
HZ5 is the James Hardie product specification engineered for freeze–thaw climates, and yes — it is what belongs on a Colorado home. Northglenn sits near 5,400 feet where a single winter day can cross freezing in both directions, and that cycling is what destroys cladding that absorbs moisture. HZ5 boards are formulated for exactly that condition.
Is ColorPlus worth the extra cost?
On most Northglenn homes, yes. ColorPlus is baked on at the factory rather than rolled on at the site, and under UV at this altitude a field-painted fiber cement wall generally wants a repaint within about a decade. On a tri-level, that repaint costs meaningful money in access alone. ColorPlus pushes the decision out substantially and carries its own finish warranty. If the house is a short-term hold, field paint is a defensible choice.
How does James Hardie hold up to Colorado hail?
Well, though nothing is hail-proof and we will not tell you otherwise. Fiber cement’s density means it does not dent the way aluminum siding does and does not go brittle and crack the way cold thin-gauge vinyl does. Severe hail can still chip or break a board, and individual boards can be replaced. Compared with what is on most Northglenn houses today — sixty years of dimpled aluminum or delaminating hardboard — it is a substantial upgrade.
Can James Hardie go over my existing siding?
No, and no reputable installer should offer to. Fiber cement is heavy and must be fastened into solid substrate to spec, and installing it over existing cladding compromises both the fastening and the manufacturer warranty. It also traps whatever is wrong with the wall underneath. Hardie goes on after a full tear-off, sheathing repair, and a properly detailed weather-resistive barrier.
Which James Hardie style suits a 1960s Northglenn ranch?
Usually HardiePlank lap in Cedarmill texture at a 7-inch or 8¼-inch exposure, which keeps the long horizontal rhythm the elevation was designed around. Board and batten or HardieShingle works beautifully as a gable-end or entry accent above that lap, but running it across a whole low elevation tends to fight the house. Going too wide on the lap exposure is the single most common mistake we get called in to look at.
Do you install James Hardie on tri-level homes?
Yes, and Northglenn has a great many of them. Tri-levels bring their own detail work — the split roofline creates roof-to-wall transitions that need kick-out flashing, and the intermediate level often has the trickiest window head flashing on the house. Those transitions are exactly why running siding and roofing under one Class C general contract is worth doing where the roof is also near the end of its life.
