Quick Answer: A correctly installed roof should look even, lie flat, drain water properly, and remain free of leaks. The valleys, vents, flashing, and roof edges should be securely finished. The materials should also match the written proposal, and the contractor should provide warranty information and leave the property reasonably clean.

Look at the Roof From the Ground

You do not need to climb onto the roof to spot some workmanship problems.

Stand back from the house and view the roof from several angles. The shingle rows should appear straight, and the surface should not have obvious waves, gaps, sunken areas, or sections that look noticeably different.

Pay particular attention to the roof above attached garages, porches, and additions. These lower sections are often easier to see and can reveal crooked edges or uneven shingle lines.

Also check whether the ridge line looks straight. A dip or wave that was not present before the project may deserve another look.

What May Be Normal After a New Roof Is Installed?

Not every unusual detail means the installation was done incorrectly.

New shingles can look slightly raised before warm weather helps them settle and seal. Small color differences may also appear because of lighting, viewing angle, or normal variation between bundles.

Finding one or two missed nails in the yard is possible after a large roofing job. However, widespread debris, large lifted areas, exposed underlayment, or shingles that remain raised after warm weather are different concerns.

A reliable contractor should be willing to look at anything that worries you and explain whether it is normal or needs correction.

Check the Roof Edges, Valleys, and Drainage

The edges should look straight and neatly finished. Shingles should extend far enough to direct water into the gutters without hanging too far past the edge.

Drip edge metal should help move runoff away from the fascia. You should not see exposed underlayment, irregular cuts, or large gaps along the eaves and rakes.

Valleys deserve close attention because they carry water from two slopes into one channel. They should appear clean and even, without loose shingles, exposed fasteners, or debris blocking the water path.

Watch the roof during a steady rain when it is safe to do so. Water should move toward the gutters rather than collect on the roof, run behind the gutter, or spill into a wall connection.

Look at Flashing and Other Roof Openings

A roof can look good across the main slopes and still leak around a chimney, plumbing vent, skylight, dormer, or wall.

Flashing should fit securely around these areas. Thick layers of caulk or roofing cement should not be the main method used to keep water out.

From a safe location, look for loose metal, open gaps, exposed fasteners, or pipe boots that appear cracked or poorly fitted.

Roof-to-wall areas are especially important. Step flashing should direct water down the slope while siding or counterflashing covers its upper edge.

These details are easy to overlook from the ground, which is one reason a drone-assisted roof inspection may be useful when something does not look right.

Check the Attic After a Heavy Rain

The attic may show problems that are not visible outside.

After a heavy rain, look for damp insulation, dark marks on the decking, moisture around vents, or water trails along the framing. Do not enter an unsafe area or touch exposed wiring.

Also check whether bathroom and kitchen exhaust ducts lead outside. They should not release warm, moist air into the attic.

The roof work should not block the intake vents near the eaves or the exhaust vents higher on the roof. Air needs a clear path through the attic.

Poor ventilation may not cause an immediate leak, but it can contribute to moisture buildup, excess heat, and early shingle wear.

Compare the Finished Roof With the Proposal

The installed materials should match what you agreed to purchase.

Check the shingle manufacturer, product line, color, underlayment, vents, and other listed components. Ask for an explanation if anything was changed.

The contractor should also provide the manufacturer’s warranty and explain the workmanship warranty. Material warranties and workmanship coverage are not the same.

Keep copies of the contract, invoice, warranty documents, product details, inspection photos, and proof of payment. These records may be important if the roof needs service later or you sell the home.

Make Sure the Property Was Cleaned

Roof replacement creates a large amount of waste, but the property should not be left covered with i.t

The crew should remove torn shingles, packaging, underlayment scraps, and most loose nails from the roof, gutters, driveway, landscaping, and yard.

Check around shrubs, patios, decks, downspouts, and driveway edges. Small pieces often collect in those areas.

Also look for damage to siding, windows, landscaping, outdoor equipment, and gutters. Report any concerns promptly so the contractor has a chance to review them.

The Strongest Warning Signs of Poor Installation

Another inspection is reasonable if you notice:

  • New ceiling stains or moisture in the attic
  • Shingles that stay lifted, crooked, or uneven
  • Exposed nails, underlayment, or open gaps
  • Loose flashing or poorly fitted pipe boots
  • Water running behind the gutters or into a wall
  • Materials that do not match the written proposal

One unusual detail does not always prove poor workmanship. The contractor should still inspect the concern and explain what you are seeing.

Why Spring Hill Roofs Need a Careful Final Check

Many Spring Hill homes have attached garages, front gables, multiple valleys, two-story walls, and several roof sections meeting at different heights.

A lower garage roof meeting the wall of a taller section is one area worth checking. The shingles, step flashing, siding, and drainage path all need to work together. A mistake at that transition may cause water to enter behind the wall even when the main roof looks fine.

Long valleys between front-facing gables can also carry a large amount of runoff toward one section. The valley should remain clear, and the shingles around it should be cut and secured properly.

Larger homes may have several plumbing vents and a wider attic footprint. That makes correctly installed pipe boots and balanced ventilation especially important.

Spring Hill spans parts of Williamson and Maury counties. Permit and inspection requirements can depend on the property and type of work, so homeowners should confirm the applicable requirements with the appropriate local office. Spring Hill’s Building Codes and Inspection Department issues permits and performs inspections for work covered by the city’s adopted standards.

Does a Passed Inspection Prove Everything Was Done Correctly?

A passed city inspection is helpful, but it does not guarantee that every workmanship detail is perfect.

Code inspections and workmanship reviews serve different purposes. An inspector may confirm that the project meets applicable requirements, while a workmanship review looks more closely at shingle alignment, flashing, ventilation, drainage, and finish quality.

Ask the contractor whether a permit was required, who obtained it, and whether the final inspection was completed. Keep any permit or inspection record with your roofing documents.

When Should You Get a Second Opinion?

A second opinion may help when the roof is leaking, visible concerns remain, the materials do not match the contract, or the original contractor will not explain the work.

The second roofer should inspect the whole system rather than judge the installation from one photograph or one uneven-looking shingle.

Red Rover Roofing provides drone-assisted inspections across Middle Tennessee and documents roof conditions that can be difficult to evaluate from the ground.

Frequently Asked Questions

Slight lifting can be normal before warm weather helps the shingles settle. Large waves, open edges, or sections that remain lifted should be checked.

Most shingle fasteners should be covered by the row above. Exposed fasteners used on certain roof accessories must be placed and sealed correctly.

Some mistakes leak during the first heavy rain. Others may not become visible for months or years.

Usually, material warranties address eligible product defects. Workmanship problems are normally handled under the contractor’s warranty.

Yes. A code inspection may not identify every workmanship or finish issue.

Request a Roof-Installation Review in Spring Hill, TN

You should not have to guess whether your new roof was completed correctly.

Schedule a roof-installation review with Red Rover Roofing if you are concerned about the workmanship. You will receive photos, a clear explanation of the findings, and practical guidance on whether the roof needs correction or no immediate work.