Insulation contractor in Highlands Ranch, CO - comfortable rooms upstairs and down
Reliable Castle Rock Insulation Services insulates and air-seals homes in Highlands Ranch, CO, from builder-grade attics and rooms over the garage to basements and crawl spaces, for upstairs rooms that run hot and floors that feel cold.
- Licensed and insured.
- Free in-person estimates.
- Expect a reply within 1 business day.
Houses and neighborhoods across Highlands Ranch
We're an insulation contractor based in Castle Rock, CO, and Highlands Ranch is a short drive north for us, up past Castle Pines. On our jobs there it feels like what it is, a planned community built one neighborhood at a time. Streets of two-story houses with bonus rooms over the garage give way to newer sections and townhomes, shops and offices line the main roads, and a lot of backyards run right up to the trails. It sits next to Lone Tree, and we work there too.
For insulation, that means neighbors often share the same builder, the same attic layout and the same complaint. When one house on a street has a hot bonus room or a cold floor over the garage, the houses next door usually do too, and the fix starts in the attic or the garage ceiling, not at the thermostat.
Our services in Highlands Ranch, CO
- Attic air sealing
In a lot of Highlands Ranch builder houses, the gaps around can lights, plumbing pipes and the attic hatch leak warm house air straight into the attic, so the insulation up there is fighting a draft. We do the air sealing first, closing those gaps with foam and caulk, because insulation laid over a leak just hides it.
- Blown-in insulation
Most attics we open here still have the builder's original loose fill, and by now it's usually settled thin and uneven. We top it up with blown-in insulation, loose fill blown in through a hose, keeping it as deep at the edges as in the middle and clear of the eave vents so the attic can still breathe.
- Insulation removal
When the old fill is wet from a roof leak, matted down or full of mouse droppings, piling more on top just buries the problem. We bag it out, clean the attic floor and find out what caused it before anything new goes in.
- Spray foam insulation
The bonus room over the garage is a call we get a lot here, because its floor sits over a space that isn't heated and the framing is hard to seal with loose fill. We spray foam on the underside of that floor so it seals the air and insulates in the same pass, and it's one spot where foam usually earns its higher price.
- Basement insulation
Plenty of basements here get finished years after move-in, and the rim joist, the band of framing that sits on top of the foundation wall, is often one of the draftiest spots in the house. We seal and insulate it along with the walls before the drywall goes up, so it doesn't get closed in bare.
- Commercial insulation
The offices, shops and other commercial buildings around Highlands Ranch need insulation done to commercial standards, often while the business stays open. I started out in commercial insulation, spraying foam in offices and metal buildings, so we run those jobs the way that work is meant to be run.
What Highlands Ranch houses ask of their attics
Highlands Ranch was laid out as a master-planned community starting in 1981, so most of the houses I look at here went up from the 1980s on, built by production builders who usually gave the attic a modest layer of loose fill and moved on. Years later that fill has settled, the can lights and the hatch leak warm air into it, and the ductwork often runs right through it. That's why the calls we get here sound so alike, with a hot upstairs, a cold room over the garage and a power bill that keeps creeping up.
I start every visit with a flashlight at the attic hatch, measuring how many inches are already up there and checking whether any of it is wet, dirty or crushed, because new insulation over a problem just hides it. The size of the attic, the shape the old material is in and how much sealing it needs are what move both the price and the schedule, so the estimate I write after that visit gives you your own numbers.
Get a free on-site insulation estimate for your Highlands Ranch house
Send the form and we'll reply within one business day to set a time, then I'll come out to your Highlands Ranch house myself to look at the attic and write the estimate. It's free and there's no obligation, and if you decide to go ahead, our own installers do the work.
Attics, walls and foam up close
Highlands Ranch insulation questions, answered
How do I find out who issues the building permit for insulation work in Highlands Ranch?
The Douglas County Building Division issues building permits in Highlands Ranch, because Highlands Ranch is an unincorporated community, not a city, and the county handles building there. You can enter your address in the county's online building services to see where to apply for your property. The county's posted permit types name things like basements and remodels, mechanical work and roofing but don't list insulation by itself, so before we start, I check which office covers your address, and if a permit is needed, we apply for it and set up the inspections.
Do contractors have to register with Douglas County to work in Highlands Ranch?
Douglas County requires general, roofing and mechanical contractors to register, and it won't issue a building permit until every contractor and subcontractor on the job is registered. That means registration has to be settled before a permit can move, so on a job that needs one, we take care of that first. We're licensed and insured, and you're welcome to ask me about any of it when I come out.
When do I need a Floodplain Development Permit in Highlands Ranch?
Douglas County requires a Floodplain Development Permit form before any construction or development starts inside a mapped Special Flood Hazard Area, and the rule applies only to work in those areas. If you're not sure whether your lot is in one, I'll look into it when I check which office covers your address.
Do I need HRCA approval to add insulation to my Highlands Ranch house?
The Highlands Ranch Community Association handles architectural control and covenant enforcement for homes under its covenants, and that review is separate from any county permit. Insulation work mostly happens inside the attic and walls, out of sight, but if a job would change the outside of your house, such as adding a roof vent, check with the HRCA before we schedule it.
How much does insulation cost in Highlands Ranch?
The price for a Highlands Ranch attic mostly comes down to its size, how many inches are already up there, whether old insulation has to come out first and how many gaps need sealing. Foam costs more because it seals air while it insulates, and for most attics here, sealing the gaps and topping up loose fill is the better value. The exception is an attic with the ductwork running through it, where foam is often worth the extra cost, and I'll tell you which camp your house is in and give you a written price after I've been up there.
How long does it take to insulate an attic in Highlands Ranch, and do we have to leave?
Most of the time on an attic job goes to sealing gaps and clearing out old material, not to blowing in the new layer, and with blown-in insulation you can usually stay home while we work. Spray foam is different, because the foam maker sets a re-entry time, which is how long before you, the kids and the pets can come back inside, and I'll tell you what it is before we book the day.