9 Common Roof Replacement Problems Homeowners Must Avoid

Written by

TEAM GROUNDUP

Published on

Written by

TEAM GROUNDUP

Published on

Table of Contents

Common roof replacement problems can leave homeowners stressed, from hidden leaks to poor installations. But knowing what to expect—and how to prepare—makes the process easier.

At Ground Up Construction, we’ve completed hundreds of roof replacements across San Diego County. We’ve seen the good, the bad, and the hidden surprises that catch homeowners off guard. This guide explains the most common roof replacement problems, how to spot them, and how to prevent them.

1. Not Knowing What’s Under the Old Roof

When your old roof comes off, anything can be underneath. You might find:

These problems aren’t always visible until the shingles or tiles are removed. If your contractor isn’t prepared, your project can stall—or get a lot more expensive.

What to do instead

Always work with a contractor who builds a cushion into the budget and schedule. At Ground Up Construction, we tell you upfront that some repairs may come up once the roof is open, and we walk you through photos and options before doing anything extra.

2. Wrong Materials for the Climate

One of the most common roof replacement problems is using materials unsuited for San Diego’s sun, rain, and coastal air. 

Look out for these signs

  • No water-resistant layer under shingles: A critical component often overlooked is the underlayment, a water-resistant barrier installed directly onto the roof deck before shingles are applied. Without this protective layer, water can easily seep through any gaps or damage in the shingles, leading to leaks, rot, and extensive damage to the roof decking, attic, and interior of your home. 

     

     

  • Poor-quality flashing: Flashing refers to thin pieces of impervious material, typically metal, installed to prevent water penetration at vulnerable areas of a roof, such as valleys, chimneys, skylights, and vent pipes. If the flashing is made of low-grade material, improperly installed, or starts to deteriorate prematurely, it can lead to significant water infiltration.  Learn more about Poor-quality flashing. 

     

  • Shingles rated for cold climates, not hot ones: Shingles are manufactured with specific climate ratings, designed to withstand varying temperature extremes. Installing shingles designed for cold climates in a hot, sunny environment can lead to accelerated degradation. These shingles may be less resistant to UV radiation and intense heat, causing them to crack, curl, blister, or become brittle much faster than their expected lifespan.

What we do differently

We use materials made for Southern California weather. We also offer upgrades like impact-resistant shingles, better attic ventilation, and waterproof barriers that protect your home long after we’re done.

For more on choosing the right shingles, check out the NRCA’s roofing standards.

3. Bad Installation Techniques

Sloppy installation is another one of the common roof replacement problems. That’s when you end up with:

  • Crooked or lifted shingles

  • Exposed nail heads

  • Gaps in the flashing

  • Uneven ridges or dips

These mistakes cause leaks and poor insulation. They can even shorten the lifespan of your new roof.

Our promise

Every crew member is trained, experienced, and double-checked by project leads. No shortcuts. No “nail and bail.” Just solid work that prevents problems like leaking roofs.

4. Poor Communication or No Written Plan

A lot of stress during roof replacement doesn’t come from the work—it comes from not knowing what’s going on. Some contractors won’t tell you when they’re coming, what they’re doing, or how much it’s going to cost until it’s too late.

You deserve

  • A written estimate

  • A clear schedule

  • Daily updates

  • A contract that explains every step

How we handle it

At Ground Up Construction, we provide detailed bids that cover materials, labor, timelines, and cleanup. From roof repair in San Diego to full replacements, we keep you in the loop.

5. Hidden Costs or Add-On Charges

Unclear bids are among the most common roof replacement problems. Some contractors quote low, then add charges for plywood, nails, or disposal.

This is a red flag

Low quotes with vague details often lead to high final bills.

How we’re different

Our quotes include:

  • Material delivery

  • Tear-off and disposal

  • Labor and safety setup

  • Cleanup and haul-away

No surprise charges. Just real pricing. For homeowner insights, see our roof replacement experiences blog.

6. Delays That Drag On

We get it—weather happens. But when roof replacements get delayed for days or weeks with no update, it puts you in a tough spot. You might be stuck with a half-finished roof and no clear end in sight.

Common delay reasons

  • Missing materials

  • Poor planning

  • Overscheduled contractors

  • Bad communication

Our process

We don’t overbook. Once we start, we stay on your job until it’s finished. Our approach prevents the typical roof maintenance challenges homeowners face.

7. Inadequate Clean-Up

Roofing creates nails, debris, and hazards. Poor cleanup is another common roof replacement problem.

We’ve seen it too often

Other companies leave debris in the yard or nails in the driveway.

What we do

Our crews sweep, blow, and magnet-scan daily. We treat your home like it’s ours, leaving it safe and clean.

For more on spotting problems, read troubleshooting leaky roofs.

8. No Permit or Inspection

Some roof replacements need a building permit—especially if you’re changing materials or adding new structures. If your contractor skips this step, you could get fined or forced to redo the job.

Don’t take their word for it. Ask

  • Do we need a permit for this?

  • Will there be an inspection?

  • Who handles the paperwork?

At Ground Up Construction, we handle permits and inspections for you. Learn more about requirements from the City of San Diego Development Services.

9. Missing Warranty or Guarantee

Too many homeowners find out too late that they aren’t covered. A missing warranty is one of the most common roof replacement problems.

What to ask for

  • Manufacturer warranties on shingles (usually 20–50 years)

  • Workmanship warranties (at least 5–10 years)

  • A real paper or digital copy—not just a verbal promise

Our warranty policy

We provide both material and workmanship guarantees. And unlike fly-by-night contractors, we’ll still be here when you need us. Curious about durability? See our blog on asphalt shingles vs metal roofing.

Avoiding the Most Common Roof Replacement Problems

At Ground Up Construction, roofing isn’t just a job—it’s part of the home-building process we’ve perfected. From start to finish, we help San Diego County homeowners build, fix, and upgrade their homes with:

  • Professional project planning

  • Clean, careful, skilled work

  • Clear prices and no hidden fees

  • Honest communication

We’ve written helpful blogs like:

…and we’re here to help you too.

Ready to Avoid Common Roof Replacement Problems?

If you’re planning a roof replacement, don’t go in blind. The right contractor makes all the difference, as does knowing what to expect.

We’ll walk you through every step, help you choose the best materials for your home, and make the process easier than you think. No headaches. No nonsense. Just honest work from a team you can count on.

Schedule your free roof inspection with Ground Up Construction today.

Table of Contents

24/7 Emergency Construction Services

Send Us A Message

More Popular Posts