
Northeast of Boulder, between open space and the Diagonal
Epoxy Flooring in Gunbarrel, CO
Bringing decades-old Gunbarrel garage slabs back to a clean, sealed, easy-care surface.
- Free on-site estimates
- Slab moisture-tested before we coat
- Written quote before work starts
Restoring Concrete That Has Seen Sixty Winters
Epoxy flooring in Gunbarrel is often a restoration project. Gunbarrel Estates dates to the early 1960s, and IBM broke ground on its plant along the Diagonal Highway in 1965. Garages poured in those early decades have gone through a lot of freezing nights, salted tires and dripping engines.
What an aging slab looks like up close
When we walk an older Gunbarrel garage, we look for a handful of things before we talk about colors:
- Surface scaling where deicing salt has flaked the top layer
- Control joints that have opened up or broken at the edges
- Oil and transmission stains that have soaked in for years
- A previous roll-on coating that is peeling in the tire paths
Each one needs to be handled before a new system goes down.
Getting the old stuff off
Floors this age often carry thin hardware-store epoxy or garage paint, and neither can stay under a new coating. We remove them with diamond tooling, degrease the stained spots, then rebuild scaled areas with a repair mortar. That process takes more labor than coating new concrete, and it is the reason we price each Gunbarrel garage after seeing it in person. Broken joint edges get special attention: we saw them clean, fill them with a semi-rigid filler, and then carry the coating over the top, so the line stays sharp instead of chipping again under tires. Where an old garage slab has settled toward the door, we can feather in patch material to reduce puddling before the coating goes on.
Townhomes and shared buildings
Gunbarrel has more than 4,500 housing units, including attached homes and townhomes. In shared garages or buildings with an HOA, we confirm working hours, parking and any rules about fumes or noise ahead of time. Polyaspartic systems with low odor and a fast return to service are a good fit when neighbors share walls.
Why higher-grade materials pay off here
Census Reporter puts Gunbarrel's median home value at $821,000. If you are renovating a home at that level, it makes sense for the garage floor to match the rest of the work. A commercial-grade build with a UV-stable top layer resists yellowing by the open door, and it shrugs off the grit and meltwater of a Front Range winter.
A realistic timeline for a renovation floor
Because old coatings, stains and scaling all add steps, a Gunbarrel restoration can run a day longer than a floor on clean concrete. Plan on clearing the garage completely, including shelving that sits on the slab, so we can reach every edge. If wall cabinets hang low, we work beneath them. Water heaters and furnaces stay in place, and we coat carefully around their bases. Twin Lakes Open Space and its trails sit inside Gunbarrel, so if your garage holds bikes, strollers or trail gear, plan where those will live for the few days the floor is curing. Once the last layer cures, you put things back and the space is done; nothing about the job requires new permits or changes to the structure of the garage.
Gunbarrel Details
- Early 1960s neighborhoods. Gunbarrel Estates traces its roots to the early 1960s and was built by Bowron Builders, Inc., which also developed several subdivisions in nearby Niwot.
- Population and housing. The 2020 census counted 9,554 people and 4,594 housing units in the Gunbarrel CDP, and only 1.2% of owner homes sat empty. Census Reporter's ACS 2024 estimate is 10,051 residents, with homes at a $821,000 median.
- IBM on the Diagonal. IBM bought 160 acres along what is now the Diagonal Highway in 1957, broke ground on June 28, 1965, and formally opened the facility on May 25, 1967.
- Twin Lakes Open Space. Gunbarrel's Twin Lakes are two reservoirs operated by the Boulder and Left Hand Irrigation Company, surrounded by county open space with wetlands and trails.

Gunbarrel Questions
The top of my Gunbarrel garage floor is flaking off. Can that be fixed before coating?
Yes. That flaking is usually salt scaling. We grind away the loose material and rebuild the low areas with a repair mortar so the new coating sits on a solid, level base.
A previous owner painted the garage floor. Do you have to remove it?
Yes. Paint and thin DIY kits do not bond well enough to hold a professional coating. We grind them off completely, which also opens the concrete so the new layers can anchor.
We live in a Gunbarrel townhome with a shared driveway. Will the work disturb neighbors?
Grinding is the loudest step and is done with dust collection attached. We can schedule it at reasonable hours and use a low-odor polyaspartic so neighbors are not bothered by fumes.
Can you coat the floor of a small office or lab space in Gunbarrel's business area?
Yes, we coat commercial floors as well as residential ones. We will ask about rolling loads, chemicals and cleaning routines, then recommend a system that suits the space.
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