When Should I Replace my GAF Roof in Waterford MI?

One missing shingle doesn’t always mean you need a new roof. Look at the roof’s age, the amount of damage, and whether earlier repairs have held up.

Here are the main warning signs to watch for at your Waterford, MI, home.

1. Your roof is around 20 years old

Many GAF asphalt shingle roofs last about 20 to 30 years. Installation quality, attic ventilation, maintenance, and Michigan weather all affect where your roof falls within that range.

A 20-year-old roof does not automatically need replacement, but it should be checked. If you’re unsure of its age, look at old invoices, home records, or building permits.

2. Shingles are curling, cracking, or going bald

Look at your roof from the ground. Curled corners, cracks, bare patches, and uneven coloring can all mean the shingles are wearing down.

You might also find granules in your gutters. A few granules are normal, but heavy buildup from an older roof may mean the shingles are losing their protective surface.

3. Shingles keep blowing off

A few shingles may come loose during strong winds or a rough Michigan storm. If the roof is still fairly new and the damage is limited, a simple repair may be enough.

It becomes a bigger concern when shingles keep blowing off in different areas. Older shingles often become brittle, so repairing one section may damage the shingles around it.

4. Leaks keep coming back

One leak near a vent or flashing may have a simple fix. However, water stains that return after repairs or appear in different rooms can point to a larger roofing problem.

Watch for ceiling stains, peeling paint, wet insulation, musty smells, or dark wood in the attic. Water can travel under the roof, so the stain may not be directly below the damaged area.

5. The roof looks wavy or saggy

The roof deck is the wood layer beneath your shingles. When water reaches it, the wood may soften, rot, or start to sag.

Call a roofer if part of the roof looks uneven, dipped, or wavy. New shingles cannot fix damaged wood underneath, so the affected decking may also need replacement.

6. You keep paying for repairs

Roof repairs are normal once in a while. The real concern is needing another repair every season or finding a new leak after each major storm.

Fixing wind damage on an 8-year-old roof can make sense. Patching different areas of a 24-year-old roof may only delay the GAF roof replacement you already need.

How Should You Prepare for a GAF Roof Replacement?

Once you decide to replace the roof, don’t focus only on picking a shingle color. A good roof includes several parts that work together to keep water out and let the attic breathe.

1. Compare GAF shingle options

GAF shingles come in different styles, colors, and price ranges. Ask your contractor to explain the choices in plain language.

View samples outside next to your siding or brick. Colors often look different in natural light.

2. Ask about the complete roofing system

Your roof includes more than shingles. Underlayment, leak barriers, flashing, ridge caps, starter shingles, and ventilation also protect your home.

Ask your GAF roofing company what the estimate includes. The contractor should clearly explain how each part will be installed.

3. Review your warranty

Ask about the GAF manufacturer’s warranty and the contractor’s workmanship warranty. Make sure you understand what each covers and how long it lasts.

Keep your contract, invoice, warranty papers, and product details together. You may need them if a problem comes up later.

4. Get your home ready for installation day

A GAF roof replacement can be noisy and may cause vibration inside your home. Workers, equipment, and debris will also be around your property.

Before the crew arrives:

• Move vehicles out of the driveway.
• Remove fragile items from walls and shelves.
• Cover belongings stored in the attic.
• Keep children and pets away from the work area.
• Move outdoor furniture away from the house.
• Ask how the crew will protect plants and clean up nails.

Frequently Asked Questions