Gutter Repair near you

Ask one question first: does it leak, or does it overflow? A leak is water escaping through the gutter at a joint, a hole or a fixing. An overflow is water going over the front or the back because the gutter cannot carry what is arriving. They look similar from the ground on a wet day and they have almost nothing in common.

A leak is usually repairable. Mitres, stop ends, bracket penetrations, downpipe outlets and localised corrosion are all things a roof plumber can put right without touching the rest of the run. The judgement is about the surrounding metal: if the corrosion around the hole is thin and blistered over an area rather than at a point, a patch is a delaying tactic.

An overflow is rarely repairable, because it is a design outcome. The Housing Provisions size eaves gutters from the rainfall intensity for the locality and the roof catchment area, and separately require overflow measures sized for a heavier, rarer event than the sizing storm. A gutter without those measures sends the excess backwards into the eaves rather than forwards onto the ground. Sealing its joints will not change that, and any quote that responds to overflowing with a sealant gun has misread the problem.

Gutter and downpipe components are manufactured to defined standards: AS/NZS 2179.1 for metal components and AS 1273 for uPVC. A repair that introduces a different metal into the run is where an easy job turns expensive, because the Code's compatibility rules exist for a physical reason. Lead materials may not be used upstream of aluminium and zinc coated materials, and copper materials may not be used upstream of galvanised coatings. Runoff from the more noble metal attacks the less noble one downstream of it, and a gutter is a channel that concentrates exactly that runoff.

So the question to ask before a patch goes on is simply what it is made of and what the existing gutter is made of. A copper or brass fitting, a lead flashing offcut used as a patch, or a bracket in the wrong alloy will bore through coated steel guttering from the inside while the outside still looks new. This is the commonest way a competently executed repair fails within a couple of years.

If the roof feeds a rainwater tank, the material question becomes a health question and the rule is absolute: the Housing Provisions prohibit lead content in gutters and downpipes on a roof forming part of a drinking water catchment area. A lead patch or lead-based solder anywhere in that run is not acceptable, however small the repair.

It starts with the gutter empty and, ideally, with water in it. A repairer who has only seen a dry gutter is working from inference. Running a hose into the high end and watching where the water goes will separate a leak from an overflow, find the back-fall and show which joints are actually weeping, in about ten minutes.

Then the brackets and the substrate. Check spacing against the 1.2 metre maximum, check that each bracket is still fixed, and check what it is fixed to, because a fascia that has been wet for years will not hold anything. If the fascia is the problem, say so before the gutter goes back on, because doing the fascia afterwards means taking the gutter off again.

Then the repair itself, and then the discharge. Trace each downpipe to where it actually ends. A downpipe finishing in an elbow pointing at a garden bed is loading the soil beside the footing with every storm, and connecting to a legal discharge point is plumbing and drainage work with its own licensing. A gutter repair that stops at the bottom of the downpipe has fixed half of a water problem.

New South Wales is the clearest. Roof plumbing expressly includes repairing and maintaining guttering, downpipes, roof flashing and roof coverings, and a contractor licence is required for residential work above the Home Building Act threshold. The available licence types are an individual contractor licence, a company or partnership contractor licence, and a qualified supervisor certificate, and there are substantial penalties for unlicensed work.

Queensland licenses it under the metal fascias and gutters class, whose stated scope is fabricating and installing rainwater goods including and associated with metal fascias and gutters, and fabricating and installing external flashings and associated soffits, fascias and gutters. That class permits incidental work of another class within a low valuation limit, but expressly not where the incidental work is an occupational trade such as plumbing, drainage, pest control or fire protection. In other words the gutter person may do a little of something adjacent, and may not touch the drainage.

The practical takeaway is to ask which licence class the person holds for this specific job, and to check the number on the state regulator's own register rather than on the quote. On a small repair that takes longer than the work, which is precisely why people skip it.