Gutters · Service

Gutter repair, diagnosed before it is quoted

Most gutter faults are hangers, pitch, sealant or a blocked outlet — all fixable in an hour. We match you with vetted local pros and help you tell a genuine repair from a replacement sold as one.

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In short

What is gutter repair?

Gutter repair covers the faults that do not require a new system: re-hanging a sagging run, resetting the pitch, replacing pulled hangers, resealing corners and joints, clearing a blocked outlet, and refastening or replacing a short damaged section. Most visits are an hour or two. The judgement that matters is where repair stops paying — and that is usually decided by the condition of the fascia behind the gutter, not by the gutter itself.

Triggers

Signs you need gutter repair

A run that dips visibly in the middle, or holds standing water for days after rain
Water spilling over the front edge in one specific spot every time it rains
A gutter that has pulled away from the fascia along part of its length, leaving a gap you can see daylight through
Steady dripping from a corner or a sectional joint even in light rain
A downspout that gurgles, backs up, or runs dry while the gutter above it overflows
Nail heads or spike heads backing out along the front lip of the gutter
Streaked staining down the outside face of the gutter — usually a sign water is going over rather than through

Seeing something not on this list? Browse gutters problems by symptom →

The job

How gutter repair actually works

Find where the water is actually going

A hose in the gutter reproduces the fault on demand. That distinguishes an overflow from a leak, a blocked outlet from a low spot, and water going behind the gutter from water going over the front of it — four problems with four different fixes that all look identical from the ground.

Watch for: A quote written from a ground-level look and a photo. The commonest misdiagnosis is calling an overflow a leak, which leads to sealant applied to a gutter that was never leaking.
Check the fascia behind the gutter

The hanger is only as good as the wood it is screwed into. A probe along the fascia behind a sagging run shows whether the fastening failed or the substrate did — and that single check decides whether this is a repair or the start of a bigger job.

Watch for: New hangers driven into soft fascia a few inches from the old holes. It holds for a season. The correct fix is to replace the board, and being told that early is a good sign about the contractor.
Reset the hangers and the pitch

Sagging is usually fastener failure rather than gutter failure. Hidden hangers go back in at 18 to 24 inch spacing into sound wood, and the run is re-hung to fall toward the outlet. Legacy spike-and-ferrule hardware is normally replaced rather than re-driven.

Watch for: A run levelled by eye. Standing water is what rots a gutter from the inside and it is invisible until you look in from above, so the re-hang has to be checked with water, not sight.
Reseal joints, corners and end caps properly

A sealant repair that lasts requires the old sealant removed, the surface cleaned to bare metal and dried, and a gutter-specific sealant applied inside the joint. Done that way it is a durable fix; done as a bead smeared over the outside it is a few months.

Watch for: Silicone from a general-purpose tube. It does not bond well to the coating on aluminium gutter and it fails at the edges, which is why so many resealed corners drip again by the following spring.
Clear and prove the downspouts

Outlets and the first elbow are where blockages sit. A blocked downspout presents as a gutter that overflows constantly and a downspout that stays dry — and it is regularly mistaken for undersized gutter.

Watch for: A downspout declared clear because it "sounded fine". It should be run with a hose until water discharges at the bottom at full flow.

Money

What does gutter repair cost?

Gutter repair is usually a small-ticket job — a service call plus labour, with sealant, hangers, outlets and short replacement sections priced as parts. Fascia carpentry is the item that changes the number materially. The gutters cost guide has current ranges for repair against full replacement.

See the full gutter repair cost guide — by material, size and region →

Straight answer

When gutter repair is the wrong call

Everyone else ranking for this is paid when you say yes. Here's when you shouldn't.

The fascia board behind the run has gone soft. There is nothing left to fasten to, and every repair is temporary by definition. This is carpentry first and gutter work second, and paying for a re-hang before the wood is replaced is money spent twice.
You are repairing the same joint for the third time. Repeated failure at one point usually means thermal movement or a pitch problem, not bad sealant. A run that keeps opening up is telling you it needs re-hanging, not resealing.
The system is undersized for the roof. If a gutter overflows in heavy rain while being clean, level and unblocked, no repair addresses that. Capacity is a sizing problem and it is fixed with larger gutter or more downspouts, not with maintenance.
More than about a third of the total run is failing. Once you are re-hanging, resealing and part-replacing across several elevations, piecemeal repair costs more than a replacement and leaves you with a system of mixed age and mismatched colour.
It is vinyl gutter that has become brittle. Once vinyl has embrittled from UV exposure it cracks at every fastener and every joint, and each repair creates the next failure a foot away. Repair is not a strategy on brittle vinyl.
The roof is being replaced within the year. Repairs at the eave will be disturbed by the tear-off and by drip edge work. Hold the gutter work and have it done in the same sequence.

Your options

Types of gutter repair

Repair or replace

The threshold is usually fascia condition and the share of run affected, not the age of the gutter.

Common gutter problems

Sag, overflow, leaking joints, wrong pitch and missing downspouts, each diagnosed separately.

Material behaviour

Aluminium, steel, copper and vinyl age and fail in different ways, which changes what is repairable.

Compare gutters options side by side →

Before you sign

What to check when hiring for gutter repair

Will you water-test to confirm the fault before quoting the fix?

Overflow, leak, blockage and standing water look the same from the ground and need different repairs. A hose settles it in five minutes.
Have you checked the fascia behind the section that is sagging?

Decides whether this is a repair at all. A contractor who has not checked has not diagnosed the job.
What sealant are you using, and how are you preparing the surface?

A resealed joint that was not cleaned back to bare metal is a repair with a short expiry date. Gutter-specific sealant, applied inside the joint, is the durable version.
Are you re-using the existing hangers or fitting new ones?

Re-driving a spike into the same hole is not a repair. New hidden hangers into sound wood at correct spacing is.
What is your minimum call-out, and does it include the first hour of work?

Small gutter jobs are dominated by the call-out charge. Knowing whether labour is included changes whether it is worth bundling two small fixes into one visit.
At what point would you tell me to replace this run instead?

A contractor who can name their own threshold is diagnosing. One who repairs anything, or replaces everything, is not.

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Local pros

Gutter Repair near you

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Related work

Often done at the same time

Gutter Installation

When the system is past repairing

Gutter Cleaning

The first thing to rule out on any overflow

Downspout Installation

Blocked or missing outlets cause most overflows

Gutter Relining

For built-in and box gutters on older homes

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FAQ

Gutter Repair — questions people ask

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Why does my gutter overflow when it is not blocked?

Three usual causes. The downspout or its first elbow is blocked even though the gutter looks clear. The run has too little slope, so water backs up before it reaches the outlet. Or the system is genuinely undersized for the roof area draining into it — most obvious where a valley concentrates flow onto a short length of gutter. A hose test tells you which, because a capacity problem overflows only at high flow and a slope problem overflows at any flow.

Is a sagging gutter always the fascia?

No — the more common cause is fastener failure, particularly with old spike-and-ferrule hardware that has worked loose as the wood moved through seasons. That is a straightforward re-hang. But it is worth checking the fascia every time, because sagging gutter has usually been spilling water onto that board for a while, and a re-hang into wet wood fails again quickly.

Can a leaking gutter joint be permanently repaired?

Yes, if it is done properly: old sealant removed, surface cleaned to bare metal and dried, gutter-specific sealant applied inside the joint rather than smeared on the outside. What does not last is silicone from a general-purpose tube over dirty metal. If the same joint has failed repeatedly despite proper repair, the cause is movement or pitch, and the run needs re-hanging.

When is gutter repair not worth it?

Two thresholds. The first is the fascia — once the board behind the run has softened, you are paying for carpentry and the gutter work is incidental. The second is proportion: once roughly a third of your total run needs work, patching across several elevations tends to cost more than replacing and leaves mismatched sections. Brittle, UV-degraded vinyl is a third case, where each repair tends to create the next crack.

Can I repair gutters myself?

Resealing a joint, replacing an end cap, swapping individual hangers and clearing a downspout are all realistic at single-storey height with someone footing the ladder. The genuine risk on this job is the fall, not the fix — reaching sideways from a ladder near a corner is how most gutter injuries happen. Anything at second-storey height, anything involving the fascia, and re-setting the slope of a long run are worth handing over.