Signs Your Shingles Need Replacing
These signs mean the shingle layer is failing:
- Curling or cupping shingle edges
- Bald spots where granules have worn away
- Cracked shingles
- Shingle debris in gutters
If damage is spread across more than 30% of the roof, full shingle replacement is usually more cost-effective than patch repairs.
Architectural vs. 3-Tab Shingles
| Architectural (Dimensional) | 3-Tab |
|---|---|
| Thicker, more wind-resistant, longer warranties — the standard choice for most Dalton homes today | Lighter, more affordable option still used on some budget re-roofs, generally a shorter lifespan |
Impact-Resistant Shingle Options
Class 4 impact-resistant shingles are built to better withstand hail — the leading cause of shingle damage in North Georgia — and many insurance carriers offer premium discounts for homes with Class 4 shingles installed.
Shingle Replacement Process
We remove the old shingle layer down to the decking, inspect and repair any damaged plywood, install new underlayment, then lay the new shingles with proper nailing pattern and ventilation. Full tear-off (rather than layering over old shingles) is standard practice for a lasting result.
Nailing and Wind Rating: What Makes a Dalton Shingle Job Hold
The wind rating printed on a shingle wrapper is conditional on how it is installed, so ask about fastening specifically. Nails must land in the manufacturer’s nail zone; high nails leave the course above holding nothing, and overdriven nails cut the shingle. Ask how many nails per shingle they use, since the higher wind rating generally requires six rather than four. Ask whether a starter strip is installed along eaves and rakes, because the first course and the edges are where wind gets underneath. Ask what happens where new work ties into an existing field, and whether shingles installed in cool weather are hand-sealed until they bond. Then ask which of these the warranty depends on, and get the answer in writing rather than as reassurance. Ask as well whether the underlayment beneath the replaced section is inspected while the shingles are off, since that is the only moment it is visible.
- Ask nails per shingle and which wind rating that yields
- Confirm starter strip at both eaves and rakes
- Ask how nail placement in the nail zone is controlled
- Confirm hand-sealing when installed in cool weather
- Red flag: a wind rating quoted with a four-nail pattern
Frequently Asked Questions
How many shingles need to be damaged before replacement makes sense?
As a general guideline, if more than 30% of the roof's shingles show damage or wear, full replacement is usually more cost-effective than continuing to patch individual sections.
What's the difference between architectural and 3-tab shingles?
Architectural shingles are thicker, more wind- and impact-resistant, and typically carry longer warranties. 3-tab shingles are lighter and more affordable but generally don't last as long.
Are impact-resistant shingles worth it in Dalton?
Given how common hail damage is in North Georgia storms, Class 4 impact-resistant shingles are a worthwhile upgrade for many homeowners — and can qualify for insurance premium discounts.
Can you match my existing shingle color for a partial replacement?
Dalton Roofing Co does its best to match existing shingle color and style for partial replacements, though slight variation can occur due to sun-fading on older shingles.