Heat Tape and Heat Cables for Gutters in Tulsa: Who Needs Them
Every October a few Tulsa homeowners ask about heat cables, often sold as heat tape for gutters, usually because they saw icicles the size of baseball bats hanging off the north side of the house last February. The honest answer for most of them is no, you do not need heat cable, and here is what you need instead. For a few, the answer is yes, on two runs, and here is how it is done right.
What ice does to Tulsa gutters
Tulsa is not a snow town. It is an ice-storm town, and that is a different problem. Freezing rain coats the gutter, the leaves in it, and the roof edge in a layer of clear ice that can be an inch thick by morning. The weight is the issue: a 5-inch gutter full of ice and wet pecan leaves weighs 20–30 pounds per foot. Spike hangers driven into 40-year-old fascia let go under that, and the run drops or comes down.
The second problem is the freeze-thaw cycle. A Tulsa January is a series of days at 45 and nights at 20. Meltwater runs into the gutter in the afternoon, freezes overnight, and the ice expands against the corners and end caps. Joints that were sealed in October are open by March.
The third, on some houses, is a small ice dam: snow or ice on the roof melts over the warm attic, runs to the cold eave, refreezes, and backs water under the shingles. It happens here, but rarely, and only on houses with poor attic insulation and a shaded north eave.
Heat cable addresses the third problem and does almost nothing for the first two. That is why most Tulsa homes do not need it.
What to do before you think about cable
- Hang the gutters properly. Hidden screw hangers into the rafter tails every 24 inches, and every 18 inches on north-facing runs. A gutter on good hangers carries a Tulsa ice load without moving. This is a $150–$300 re-hang per run and it solves the problem cable is being sold for. Sagging gutter repair covers it.
- Get the leaves out before the ice. Ice on an empty gutter is a fraction of the weight of ice on a full one, and it melts off in a day. See fall leaf season for timing; in an early-ice year like 2020 that means a cleaning in November, not December.
- Pull the bottom elbows. A downspout freezes from the bottom up. In a hard freeze, water sitting in the bottom elbow turns to a plug, the downspout fills, and it splits at the seam. Popping the bottom elbow off before a freeze, or fitting a hinged extension that can be lifted, lets it drain.
- Insulate the attic. If you have icicles only on one eave and water stains on the ceiling below it in February, the roof over that spot is warm. Attic insulation and ventilation fix that for good; cable manages it forever at a cost.
Who actually needs heat cable in Tulsa
- A north-facing run under a shaded eave, on a house with a cathedral ceiling or a finished attic that keeps the roof warm, where an ice dam has already backed water inside.
- A downspout that runs down a north wall and has split from freezing two winters running, where pulling the elbow is not practical.
- A run that drains onto a walkway or the driveway and turns it into a skating rink every night in January. The cable keeps the outlet flowing; the better fix is rerouting the downspout.
That is a short list and it usually comes to one or two runs, not the whole house.
What cable costs and how it is done
Self-regulating heat cable is the only kind worth installing; the constant-wattage type runs hot all winter and burns out. It is zigzagged along the roof edge above the gutter, laid in the gutter trough, and dropped down each downspout to the bottom elbow. It needs a GFCI outlet and should be on a thermostat or a switch so it is not running in April.
| Item | Typical Tulsa cost |
|---|---|
| Self-regulating cable, per foot of gutter | $8 – $15 installed |
| Downspout drop, each | $60 – $120 |
| Thermostat control | $100 – $250 |
| A 40-foot north run with two downspouts | $600 – $1,100 |
Operating cost is around $1 a day per 100 feet when it is running. A whole-house install on a 220-foot two-story is $2,500–$4,000, which is more than a full set of good hangers, a fall cleaning and a set of guards combined. Do those first.
What cable does not do
It does not stop ice storms from loading the gutter; it melts a channel, not the whole mass. It does not fix a gutter on bad hangers. It does not remove leaves. And it is a fire risk if it is the wrong type or installed by someone who staples through it, so if you do go this route, it is an electrician-and-gutter job, not a Saturday one.
Signs a run might need cable
Most houses can skip heat tape for gutters. A run is worth a closer look if you see several of these, winter after winter, on the same eave:
- Icicles that build along one shaded eave and nowhere else
- Water stains on the ceiling or wall below that eave after an ice event
- A downspout on a north wall that has split at the seam more than once
- Ice that stays in the gutter for days after the rest of the roof is clear
- A walk or driveway below a downspout that freezes every night in January
One or two of these on a single run is a reason to try the cheaper fixes first. All of them, after the attic and hangers are sorted out, is the case for cable.
Questions to ask before cable goes on
- Is the cable self-regulating, and is it listed for use on roofs and in gutters?
- Will it be on a GFCI-protected circuit with a thermostat or a switch?
- How is it fastened? Clips, not staples or nails through the cable.
- Who does the electrical work? Any new outlet or circuit is an electrician's job, and may need a permit; check with the City of Tulsa.
- What does it cost to run, and how will you know it is working?
Common questions
Do heat cables work in Tulsa?
They work for what they are designed to do: keep a channel open so meltwater can drain on a run prone to ice dams or a downspout that freezes. They do not stop an ice storm from loading the gutter, and they do not fix weak hangers.
How much does it cost to run gutter heat cable?
Around $1 a day per 100 feet while it is running, which in a typical Tulsa winter is only a few days or weeks. A thermostat or a switch keeps it off when it is not needed.
Can I install gutter heat cable myself?
The cable itself is sold for homeowner installation, but it has to be the right type, fastened with clips, and plugged into a GFCI-protected outlet. If there is no outdoor outlet near the eave, adding one is an electrician's job. On a two-story eave, hire the whole thing out.
Can heat tape damage gutters or shingles?
The wrong type, or a careless install, can. Constant-wattage cable runs hot, and staples or nails through the cable or the shingles cause problems. Self-regulating cable on proper clips, on a protected circuit, is the safe version.
The Tulsa answer
Good hangers, clean gutters before the first ice, elbows pulled on the north side, extensions that do not dump on the walk. That handles most Tulsa houses through a normal winter. Cable is for the tenth house, on the runs that have earned it. Winterizing gutters in Tulsa is the full checklist; the gutter repair page has the re-hang and downspout prices.
Need gutter work in Tulsa?
Call for a free estimate. Mon–Sat 7am–7pm.