Siding Contractors — Frederick, CO 80530
Siding Contractors in Frederick
Replacing builder-grade cladding across Carbon Valley — LP SmartSide, fiber cement, metal and stone, torn off to the sheathing by one Class C general contractor with an office in the same county.
Who are the best siding contractors in Frederick, CO?
Northern Lights Exteriors has worked Colorado’s Front Range since 2001 and holds a Class C general contractor license. Our office is in Fort Lupton — same county, about twelve miles — so Carbon Valley is not a service area we expanded into.
We install LP SmartSide engineered wood, James Hardie fiber cement, metal and stone veneer — we do not install vinyl siding. Most Carbon Valley homes went up after 2000 on builder-grade cladding and are reaching their first replacement cycle together.
Every siding replacement in Frederick is torn off to the sheathing, photographed, repaired, re-flashed and re-barriered before new cladding goes on — and we assemble the HOA submission as part of the estimate. Rated 4.9 out of 5 from 552 verified reviews.
What the Builders Hung, and Why It Is Failing Now
in 1990 the three Carbon Valley towns held about 4,500 people between them; today it is roughly 44,000, with Frederick and Firestone each over 18,000. Carbon Valley effectively built itself in twenty-five years, and it did so with a handful of production builders working to a spec sheet. That is why the siding problems here arrive in waves rather than one house at a time — a whole street was clad in the same month, in the same product, by the same crew.
If you are looking at your walls and wondering whether twenty years is too soon, it is not. Here is what typically went up and what it does at fifteen to twenty-five years:
| What the builder used | How it fails here | What it means for you |
|---|---|---|
| Thin-gauge vinyl | UV at 5,000 ft makes it brittle and fades it unevenly; hail and cold-weather impact crack it rather than dent it. Loose panels rattle in a downslope wind. | Patching is close to impossible — discontinued profiles, and twenty years of fade means a new panel never matches. It is usually a whole-elevation decision. |
| OSB-composite lap | Sound until water reaches a cut end, a nail head or an unsealed penetration. Then it swells and delaminates from the inside, low on the wall and behind downspouts. | Paint does not reverse it. Once the bottom courses are soft, the boards above are on the same clock. |
| Builder trim, corners and J-channel | Frequently fails before the field siding does — it takes the weather and had the least money in it. | Trim failure is the early warning. If your corner posts are splitting, look at the field siding before you decide it is fine. |
| Stone or brick wainscot | Common on these elevations as a front-facing accent. Failures are almost always at the top edge and at grade — a flashing problem disguised as a masonry problem. | Worth inspecting whenever the siding above it comes off, because that is the only practical moment to correct it. |
A Frederick siding replacement almost always starts here, with one honest test on a walk-through: press a screwdriver handle firmly against the bottom edge of the boards at four or five points, low on the north and west elevations and behind the downspouts. If it gives in more than one place, the wall is telling you its schedule.
Siding Materials We Install in Frederick, Compared Honestly
We install engineered wood, fiber cement, metal and stone veneer — and LP siding in Frederick is asked about more than any other single product here, so it leads the table rather than trailing the brand names. We do not install vinyl siding, and the paragraph below the table says why rather than leaving you to guess. Because we install everything in this list, the recommendation you get is a fit assessment rather than a sales preference.
| Material | What it does well here | What to know | Where it fits |
|---|---|---|---|
| LP SmartSide engineered wood | Light, impact-tolerant, and available in long lengths that suit the wide gable elevations these subdivisions favor. Takes paint well and holds it. | It is a wood-strand product. The engineered treatment is what makes it durable, so cut ends and penetrations must be sealed correctly — installation quality decides its lifespan more than with fiber cement. | Frequently the best value in Carbon Valley, and a straightforward upgrade from a failing OSB-composite lap. |
| James Hardie fiber cement | Density. It does not burn, does not feed insects and shrugs off UV. HZ5 boards are specified for freeze–thaw climates like ours. | Heavy, and it must be fastened and gapped to spec. ColorPlus factory finish costs more up front and saves a repaint cycle later. | Homes being kept long-term, and any owner who wants the lowest maintenance ceiling. Covered in depth on our Frederick James Hardie page. |
| Metal panel and lap | Dimensionally stable, non-combustible, and reads as a deliberate design choice on a newer elevation rather than a repair. | It dents. On a hail-exposed elevation in Weld County that is a genuine consideration, not a footnote. | Accent elevations, gable ends and modern-farmhouse detailing. |
| Stone veneer | Changes the read of a plain production elevation for relatively little area, and matches what many of these homes already have on the front. | Detailing at the top edge and at grade is where stone veneer jobs fail. | Extending or replacing the wainscot the builder put on the front elevation only. |
Why vinyl is not on that list. We do not install vinyl siding, and it is fairer to say so plainly than to quote it half-heartedly. The reason is this market specifically: vinyl’s weak point is impact behavior in cold weather, and Weld County sits in Front Range hail alley. A large share of the failing cladding we are asked to look at in Carbon Valley is builder-grade vinyl that was sold as the budget answer and did not last long enough to be one. If cost is driving your decision, LP SmartSide is where we would point you instead.
Product detail: LP SmartSide and composite wood siding, James Hardie, board and batten, metal siding, stone veneer, and our siding contractor overview.
The HOA Step Most First-Time Replacements Miss
This is the single most common reason a Carbon Valley siding project slips: the architectural committee has not approved the color yet. Subdivisions platted in the 2000s came with design guidelines, and re-siding is exactly the kind of change they exist to review. If this is your first replacement, nobody has told you that.
The submission generally wants three things: the product and profile, the color by name, and a physical sample. We assemble those as part of the estimate, because a submission that comes back for more information costs weeks. Committees also tend to meet monthly, so one missed cycle is a real delay.
A note on siding replacement in Frederick timing that follows from it: if your roof is also near the end of its life — and on a street where every roof went on in the same month, it may well be — getting both approved and scheduled together means the roof-to-wall flashing gets detailed once, by one crew, rather than twice by two who each assume the other handled it. See Frederick roofing.
How a Frederick Re-Clad Runs
Our office is in Fort Lupton — the same county, about twelve miles up the road — so Carbon Valley is not a service area we expanded into, it is where we are from.
- Walk the elevations with you, not around you. Bottom courses, butt joints, behind the downspouts, and the roof-to-wall transitions.
- Measure and specify. Square footage by elevation, trim and corner counts, penetration counts.
- Written scope, firm number, HOA packet. Materials named by product and finish, and the paperwork your committee needs.
- Permit with the Town of Frederick. Filed by us, visible to you.
- Tear-off to the sheathing. The step cheaper bids skip. We photograph what is behind the old cladding — sheathing condition, the state of the existing barrier, any prior water damage at windows — and it goes in your portal permanently.
- Repair what is exposed. Damaged sheathing gets replaced, not covered, and priced against the written scope rather than invented on the spot.
- Weather-resistive barrier and flashing. Housewrap, window and door flashing, kick-out flashing at roof-to-wall.
- Install, trim and finish — correct fastener spacing, correct gapping, sealed cut ends. Siding installation in Frederick is judged on details you will never see again after this step.
- Inspection and walk-through, recorded against the project.
Because we hold a Class C general contractor license rather than a single-trade license, siding, windows and roofing can run under one contract with one project manager accountable for the transitions between them.
The System Behind the Work
A re-clad is the one project where almost everything that matters gets buried again before you see it — the sheathing, the barrier, the flashing at every window head. If this is your first, you have no reference point for what good looks like. So the question is not whether we say we detailed it correctly. It is whether you can look.
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 Siding Estimate in Frederick
Tell us the subdivision and we can usually tell you what is on the house before we arrive — that is what a valley built in twenty-five years does for you. The estimate is free, written, specific to your elevations, and includes the paperwork your HOA committee will ask for.
Request Your Free Estimate → 📞 (303) 776-5263
Prefer email? Reach us at office@nlexteriors.com. Ask about financing options when we walk the property.
Carbon Valley Re-Clads
Completed siding replacements on Carbon Valley homes. Every one of these started as builder-grade cladding and was torn off to the sheathing before anything new went on. The last is in Dacono rather than Frederick — the captions say which is which.




Nearby Cities We Also Serve
Same crews, same pricing, across the Carbon Valley and I-25 north. Other cities close to Frederick:
Frederick Siding — Frequently Asked Questions
How much does siding replacement cost in Frederick?
Most Carbon Valley homes are two-story production builds with roughly 1,600–2,400 square feet of wall area, and complete re-clads generally land in the mid-to-upper five figures, with LP SmartSide engineered wood typically coming in under fiber cement. The three things that actually move your number are elevation count and complexity, how much sheathing repair is found at tear-off, and whether trim, soffit and fascia are included. We give a firm written figure after measuring.
Do you install vinyl siding in Frederick?
No. We install LP SmartSide engineered wood, James Hardie fiber cement, metal and stone veneer, and vinyl is deliberately not in that range. Its weak point is impact behavior in cold weather, and Weld County sits in Front Range hail alley — a great deal of the failing cladding we are asked to look at in Carbon Valley is builder-grade vinyl that was sold as the budget option and did not last long enough to be one. If budget is driving your decision, LP SmartSide is what we would point you to instead.
My house is only fifteen years old. Why is the siding going already?
Because it was specified to a price, not to a Front Range lifespan. Production builders across Carbon Valley used thin-gauge vinyl and OSB-composite lap, and fifteen to twenty-five years is exactly when those start showing it — brittle cracking and uneven fade on vinyl, swelling and delamination at the bottom edge on composite. It is not that anything was done wrong; it is that the clock was shorter than most owners assume.
Do I need HOA approval to re-side my house?
In most Carbon Valley subdivisions, yes — and it is the step first-time replacements most often miss. Neighborhoods platted in the 2000s generally came with design guidelines and an architectural committee that reviews color and material changes. Committees often meet monthly, so a submission that comes back for more information can cost weeks. We put the product specification, color name and sample together as part of the estimate.
Can you side over the existing siding instead of tearing it off?
It is physically possible and we do not recommend it. Cladding over the top locks in whatever is wrong with the wall underneath — and on a house where water has been getting behind a composite lap for a few years, something usually is. It also adds depth that breaks the trim and window details, and leaves you with a wall nobody can inspect.
Do you work in Firestone and Dacono?
Yes — Frederick, Firestone and Dacono are Carbon Valley and we treat them as one market. They grew together, share builders, and have the same weather. Our office is in Fort Lupton, in the same county, roughly twelve miles from all three.
Should I replace siding and windows at the same time?
If both are due, yes. Window flashing has to be integrated into the wall’s weather-resistive barrier, and that is only fully possible with the cladding off. Done separately you either compromise the integration or pay twice to open the same wall. On Carbon Valley homes the two are frequently due together, because the builder installed both in the same year to the same standard.