Your old gutters drip at every joint, the end caps have been caulked more times than you can count, and in a hard rain the water still goes over the top. You’ve been told seamless gutters in Denver will fix it, and you’re wondering if that’s true or just a sales line.
It’s partly true. Seamless gutters cut out most of the joints where old systems leak. They only solve the overflow if they’re sized for the roof above them, and that’s the part a lot of quotes skip. You deserve a gutter plan that starts with a tape measure, not a price per foot.
APC Roofing installs seamless gutters on Denver homes, and because we’re roofers, we look at the roof edge they hang from too. We’re GAF Certified, licensed and insured, and the estimate is free. Call 720-902-6940 to have your roof measured.
What makes a gutter “seamless”
A sectional gutter comes in short lengths that get joined together on the house. Every joint is sealed with caulk, and every joint is a spot that can leak once the sealant dries out.
A seamless gutter is formed on site from a coil of metal, usually aluminum, by a machine that rolls out one continuous piece the exact length of each run. The only joints left are at the corners, the end caps and the downspout outlets. Fewer joints means fewer leaks.
That matters more in Denver than in a mild climate. Aluminum grows and shrinks with temperature, and Denver can swing from a frosty morning to a warm afternoon in the same day. That daily movement works sealant joints loose over time. A run with no mid-span joints has nothing there to work loose.
Sizing seamless gutters for Denver storms
Seamless gutters still overflow if they’re too small. The size isn’t set by how much rain Denver gets in a year, which isn’t much. It’s set by the heaviest few minutes of a summer thunderstorm, and those can be intense.
Two numbers decide whether a system keeps up.
The gutter size. Homes typically get 5-inch or 6-inch gutters. A 6-inch gutter carries roughly half again as much water as a 5-inch. On a small, low-pitched roof, 5-inch is often plenty. On a big or steep roof draining into a single run, 6-inch can be the difference between keeping up and spilling over.
The downspouts. This is where most systems run out of capacity first. A standard 2×3 downspout handles a lot less roof than a larger 3×4. If the math says a run needs two or three downspouts and it only has one, that run will overflow in a big storm no matter how clean it is. Long runs, generally beyond about 35 to 40 feet, usually need an outlet partway along.
Valleys concentrate water too. Two roof slopes meeting in a valley can dump many times the normal flow onto a few feet of gutter. A downspout placed near that spot often fixes chronic overflow better than a bigger gutter would.
Hangers, snow and movement
How a seamless gutter is hung matters as much as the gutter. Hidden hangers should be spaced closely, often every 2 to 3 feet, and closer still where snow and ice load the run. Rainwater leaves in minutes. Packed snow and ice can sit in a gutter for days, and that weight is what bends hangers and pulls runs away from the house.
Long runs also need room to move. A 40-foot length of aluminum changes size noticeably between a cold winter night and a hot July afternoon. If a long run is pinned tight at both ends with no allowance for movement, it can buckle or tear out its own hangers over time.
The roof edge and the fascia
A seamless gutter is only as good as what’s behind it. Water can curl under the roof edge and run down behind even a brand-new gutter if the edge detail is wrong. A gutter apron or drip edge that tucks down into the gutter shuts that path.
The gutter also hangs from your fascia board. If the old gutter leaked for years, that board may be soft. It’s better to find that when the old system comes down than to hang a new gutter on rotten wood, so you’ll hear about it, with photos, before any new gutter goes up.
Choosing a material
- Aluminum. The usual choice for seamless gutters. It doesn’t rust, it’s light on the hangers and it comes in many colors. It can dent in a big hailstorm.
- Steel. Stiffer and better at shrugging off hail impacts, but it relies on its coating to prevent rust, so scratches need attention.
- Copper. The longest-lasting common option, with a look some homeowners want on a particular style of house.
Where the water goes after the downspout
A perfect gutter that dumps water against the foundation has only moved the problem. Many homes along the Front Range sit on clay soil that swells when wet and shrinks when dry, and concentrated water at one corner works on the foundation. Downspout extensions or a buried line should carry water well away from the house, and the ground should slope away from the walls. See our main Denver gutters page for more on this.
What your estimate should spell out
When two gutter quotes are far apart, the difference is usually in what’s included. A useful quote names the gutter size and material, the number and size of downspouts, the hanger type and spacing, the roof-edge detail and where the water will discharge. If a quote leaves those out, you can’t compare it fairly.
How it works
- Book your free estimate. Call 720-902-6940 or request a free estimate online.
- Get a clear, honest assessment and estimate. We measure the roof area feeding each run, check the pitch, the fascia and the roof edge, and plan downspouts around where water can safely go. You get a written estimate with every item above spelled out.
- Your gutters go up and the site gets cleaned up. The old system comes down and gets hauled away, the new runs are formed and hung, and the yard is left clean. Gutter work needs dry weather, so the schedule follows the forecast.
Seamless gutter questions from Denver homeowners
Are seamless gutters worth it?
For most homes, yes. They leak less than sectional gutters because the only joints are at corners and outlets, and they look cleaner on the house.
Can seamless gutters handle Denver hail?
Aluminum can dent in large hail, and a badly dented run may need to be replaced. Steel holds up better to impact. If hail damaged your gutters and you file a claim, you file it with your insurer and pay your deductible; we document the damage and work with your adjuster.
Do seamless gutters stop ice dams?
No. Ice dams start with heat escaping into the attic. Good gutters, hung on close hangers, hold up better under ice and handle the meltwater when it comes down.
Can you replace rotted fascia at the same time?
Yes. Fascia and soffit work is part of what APC does, so a soft board can be replaced before the new gutter is hung on it.
Get seamless gutters in Denver
Call 720-902-6940 or book your free estimate online.
You’ll end up with gutters that keep up with a summer cloudburst, hold through the winter and send the water away from your house, and with no more caulking end caps every spring.
