Common Roof Repairs and How Long They Take to Complete

common roof repairs

Roofs must withstand the constant beating of the sun, harsh weather, tree branches, and various other forces. Occasionally you will need to carry out some repairs, but how long does it typically take to repair a roof?

Generally, most minor roof repairs take one to five hours to finish. Replacing damaged shingles, fixing chimney flashing, or repairing gutters are usually relatively quick fixes. Repairing leaks, a sagging roof, or improving ventilation is usually more complex and can take multiple days to complete.

There are a ton of different repairs that you may need to perform on your roof, and there are a ton of factors that influence the time it takes for each task, so let’s jump right into it and break it down further.

How Long It Takes to Repair Common Roof Problems

The severity of the repair, the skills of the person performing the repair, and many other factors play a huge role in how long it will take, but here are a few estimated numbers for some common roof repairs.

Roof Repair TaskEstimated DifficultyHow Long It Will Take
Replacing damaged shingles5/101-4 hours
Fixing a roof leak8/101-3 days
Reflashing a chimney2/101-2 hours
Fixing a sagging roof9/102-4 days
Improving attic ventilation7/101-2 days
Repairing damaged gutters4/101-3 hours

Let’s take a more in-depth look at each common roof issue and why some repairs take one hour, while the same problem on a different roof might take five hours to fix.

Replacing Damaged Shingles

Repairing a cracked shingle or replacing a single roof shingle usually takes around one hour, not including the time it takes you to acquire the materials or match the shingles. Repairing a larger area with more shingles can significantly add time to the repair and may take 2 to 4 hours.

Asphalt roofing shingles are usually the easiest to replace and fix, with wooden shingles, slate tiles, and concrete tiles being a little more challenging. Depending on the severity of the damage, you may need to replace the damaged shingles entirely, or you may be able to get away with simply applying roofing sealant to the front and back of affected shingles.

Finding and Fixing a Roof Leak

Fixing a leaky roof can be challenging, especially if you can’t find where exactly the water is getting inside. After finding the leak, sealing it up and replacing any affected materials is pretty straightforward. The entire process of finding and fixing a leak in a roof usually takes 1 to 3 days.

Major roof issues from tree damage or similar events usually take much longer to fix than something more minor like a leaking old mounting hole. Repairing a leaking roof could only take a few hours if it’s a small leak, you know where it is, and it hasn’t caused any water damage.

Reflashing a Chimney

Reflashing a chimney is pretty straightforward and typically only takes 1 to 2 hours. If the chimney is at a strange peak in the roof or on a steep slope, removing the old flashing and replacing it with new can be more complex and may take a few extra hours to complete.

A well-done chimney flashing can last up to 30 years, so make sure you take the time to do it right to avoid having to replace it soon. Reflashing a chimney is usually a pretty easy and quick fix, but it can be more complicated depending on the circumstances.

how long does roof repair take

Fixing a Sagging Roof

Repairing a sagging roof is one of the more complex roof repairs out there, but it is crucial to fix for the longevity of your home. Depending on the extent of the sagging and any subsequent damage it causes, repairing a sagging roof can take anywhere from 2 to 4 days or longer.

A sagging roof can signify a much larger structural problem, so it’s worth having a professional look at the issue before attempting to repair it yourself or hiring the job out. Most sagging roofs require additional support beams inside the attic to hold up the affected area.

Improving Attic and Roof Ventilation

Installing the necessary intake and hot air exhaust vents usually takes between 1 and 2 days. Analyzing your existing roof ventilation system and finding where you can improve it can take a few more days to plan, so make sure to account for that time as well.

Roof and attic ventilation systems have two main components: intake vents usually located on the underside of eaves that bring in cool air and hot air exhaust vents located on the roof that expels hot air back to the outdoors.

Repairing Damaged Gutters

Repairing damaged roof gutters is usually quick and easy, typically taking around 1 to 3 hours. The extent of the damage to the gutters and the roofline’s length dictates what repairs you must make and how long it will take you to complete.

Some of the easiest gutters to repair are white or brown because most hardware stores carry drop outlets, gutter aprons, diverters, slip joints, and other gutter pieces needed for repairs in those colors. If your gutters are a different color, you can often find parts from the manufacturer or order custom paint to match your existing gutters.

Factors that Influence How Long Roof Repairs Take to Complete

There are many reasons why the same repair might take more time to complete on one roof than another, but below are some of the most common factors that influence roof repair times.

  • The Complexity of the Repair: It’s pretty self-evident that the larger and more complex the repair, the longer it will take to complete. It’s much easier and quicker to replace a couple of worn-out shingles than diagnose and fix a roof leak.
  • Roof Accessibility: The more accessible the roof is for repairs, the faster the whole project will generally go. Bushes around the house’s edge, uneven ground, and sidewalks can make getting up on the roof more challenging and time-consuming.
  • The Weather: Intrusive weather such as snow, hail, or rain can severely slow down or completely halt roof repairs. Even extreme cold or hot weather can make things more challenging and slow the project down.

Final Thoughts

Scheduling roofing repairs can be stressful and take up a lot of time, but knowing how long each repair generally takes can help relieve the stress significantly. Quite a few factors can impact how long roof repairs take, but you should now have a pretty solid idea of what to expect.

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