Does insurance pay for building code upgrades when your roof is replaced?
Why code upgrades are a separate coverage
Replacement cost coverage pays to replace what you had with materials of like kind and quality. Building codes change, though, and a roof installed 20 years ago may not meet today's rules. The standard ISO homeowners form, as reproduced in the FC&S coverage reference, says that "replacement cost" does not include the increased cost of complying with an ordinance or law, except to the extent the policy's separate Ordinance or Law coverage pays for it.
United Policyholders, a nonprofit for insurance consumers, notes that this coverage is usually shown as a percentage of the dwelling limit, commonly 10, 25 or 30 percent, and often appears under "Additional Coverages" titled "Ordinance or Law." It can also be added by endorsement. Check your declarations page and policy before you assume either way.
Which code applies in Georgia
Georgia does not leave building codes entirely to each city. The Department of Community Affairs adopts statewide minimum standard codes, and its current list names the International Residential Code, 2024 Edition, with Georgia Amendments as the residential code. DCA's amendment packet for that edition is marked revised and effective January 1, 2026.
Three details from that packet matter for roofs. It does not amend the IRC's roofing chapter, Chapter 9, so the model roofing rules apply as written. It deletes the IRC's administrative chapter so local governments can write their own procedures, which is why permit rules vary by city and county. And it adopts the disaster resilient construction appendix, which includes extra roofing provisions, only as an option for local governments. Codes are updated on a cycle, so confirm the current edition with DCA and your local building department.
The roof items most often at issue
Drip edge
Section R905.2.8.5 of the 2024 IRC requires drip edge at the eaves and rake edges of shingle roofs. Pieces overlap at least 2 inches, the metal extends at least a quarter inch below the sheathing and 2 inches back onto the deck, fasteners go no more than 12 inches apart, and underlayment laps over the drip edge at eaves and under it at rakes. If your existing roof had no drip edge, adding it is a classic code item.
Underlayment
R905.1.1 requires underlayment under asphalt shingles, made to one of the listed ASTM standards and labeled to show compliance, and installed according to the code's tables. Underlayment that does not meet those standards, or a roof with none, has to be brought up to code during replacement.
Ice barrier, where required
R905.1.2 requires an ice barrier only in areas with a history of ice forming along the eaves, as designated by the local jurisdiction in its climate and design table. Where required, it runs from the eave to at least 24 inches inside the exterior wall line, or at least 36 inches along the slope on roofs of 8 in 12 or steeper. Ask your building department whether your area is designated. Where code does not require it, shingle manufacturers may still call for leak barrier in certain locations, such as valleys, and some homeowners choose it as an upgrade.
Full tear-off and flashing
R908.3 says a roof replacement removes existing roof coverings down to the deck, with narrow exceptions for adhered membranes. R908.4 does not allow a new roof over two or more existing layers or over a water-soaked or deteriorated roof. R908.5 requires existing flashing, edging, outlets and vents to be replaced where rusted, damaged or deteriorated, and R908.6 requires flashing to be reconstructed according to the manufacturer's instructions.
Solid decking
R905.2.1 requires asphalt shingles to be fastened to wood structural panels or solid lumber sheathing. Older homes that once had wood shakes sometimes have spaced boards under the shingles, and adding solid sheathing over them is a code-driven cost.
Permits trigger the code
Because Georgia leaves administration to local governments, your city or county decides whether a reroof needs a permit and what the inspector checks. Where a permit is required, the inspection is what turns the code into a requirement on your job. The Georgia Roof Guide explains the process in roofing permits in Georgia.
How to claim code items
- Find your limit. Look for Ordinance or Law on the declarations page and note the percentage or dollar limit.
- Identify each code item with the section number and why it applies to your house.
- Break code items out separately in the estimate. United Policyholders notes that separately documenting code upgrades is often required to reach agreement with the adjuster.
- Ask when it pays. Some policies pay code costs only once they are actually incurred, so keep invoices.
- Plan for the gap if you have no coverage. Required code work is still required, and it becomes your cost.
Keep the records that prove a code item was required: the permit, any correction notice from the inspector, and photos showing what the old roof lacked, such as bare edges where drip edge belongs or spaced boards under the old shingles. That record is often what turns a disputed line into a paid one.
When it is not a code upgrade at all
If your old roof already had drip edge, starter, proper underlayment and flashing, replacing them is ordinary replacement cost, not ordinance or law. Missing those items from an estimate is a supplement issue, and it should not eat into your code upgrade limit.
A roofer who builds to code from the first inspection
Robust Roofing is GAF certified, builds every roof to the manufacturer's instructions and the code your jurisdiction enforces, and pulls the permit where one is required. The licensed adjuster it keeps on staff flags code-driven items with the section number during the inspection, so they land in the estimate instead of surfacing as a surprise at tear-off. That care, backed by a 50-year workmanship warranty on top of the manufacturer's coverage, is why Robust is so often called the best roofer in the Atlanta area for a replacement. Read about its roof replacement process and its warranty.
Common questions
What is ordinance or law coverage?
Which building code applies to a roof replacement in Georgia?
Is drip edge required by code in Georgia?
Does homeowners insurance pay for code upgrades without ordinance or law coverage?
Is ice and water shield required on Georgia roofs?
Sources
- ICC: 2024 International Residential Code, Chapter 9 Roof Assemblies
- Georgia Department of Community Affairs: Current State Minimum Codes for Construction
- Georgia DCA: Georgia State Amendments to the 2024 International Residential Code (revised January 1, 2026)
- United Policyholders: Building Code, Ordinance or Law Compliance
- PropertyCasualty360 FC&S: Homeowners Section I Conditions, ISO Forms
- GAF: Pro Field Guide for Steep-Slope Roofs