Guide
Metal roofs, insurance discounts and the 2026 federal credit question
Updated
Two money questions get asked about metal roofs. One has a real, verifiable answer in your favor. The other is a sales line that stopped being true.
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How this calculator works
- The slope multipliers are geometry, not estimates. A pitch of rise:12 turns footprint into roof area by a factor of the square root of 1 plus (rise/12) squared. 6:12 gives 1.118, 12:12 gives 1.414. This is the single biggest reason online roof estimates come in low: they price the floor plan, not the roof.
- The per-square-foot rates are placeholders, and you should replace them. The panel-type figures are midpoints of typical 2026 US installed quotes for a straightforward re-roof, and they vary widely by region, gauge, panel profile, roof complexity, height, and installer. They come from no official publication, so we label them as typical quote figures rather than sourced data. Enter your own number in the rate field and the calculator uses it instead.
- Tear-off defaults to one layer of asphalt shingles. Extra layers, cedar shake, tile, steep pitch and county dump fees all move it. Installing over an existing roof avoids the cost but is not always allowed by local code and can trap moisture, so ask your roofer and your building department.
- Waste allowance affects material ordered, not installed cost. Installed per-square-foot pricing normally already includes the roofer's waste; the order figure is there for anyone buying panel and hiring labor separately.
- Not included: structural repair to the deck, new underlayment upgrades, insulation, skylight replacement, gutters, snow guards, permits, or the cost of a roof that needs framing work. Ask for each of these as a named line on the quote.
- There is no federal tax credit for a metal roof in 2026. Roofing is not on the IRS list of qualifying property for the energy efficient home improvement credit, and that credit is allowed only for qualifying property placed in service before December 31, 2025 (irs.gov). If a salesperson prices a credit into your quote, ask them to point at the statute. See our credit and insurance guide.
Impact ratings: UL 2218 and Class 4
Roof coverings can be tested for hail resistance under UL 2218, the steel ball impact test. The Insurance Institute for Business and Home Safety describes it directly: 'For hail resistance, metal roofs are tested to UL 2218, the Steel Ball Impact Test' (IBHS Roof 101). Products that pass are classified Class 1 through Class 4, with Class 4 the highest, tested with a 2.00 inch steel ball.
The test drops the ball twice on the same spot from the height that gives it the kinetic energy of a hailstone of that size. Passing means no crack visible on the back of the material. It is a laboratory classification, not a guarantee your roof will survive a given storm, and cosmetic denting is a separate question from a breach.
What a Class 4 rating is worth on your premium
In hail-exposed states this is where the money is. Texas is the clearest example: the Texas Department of Insurance publishes a list of products qualifying for impact-resistant roofing credits and states that materials passing the test criteria 'are classified as either Class 1, 2, 3 or 4' and that 'a Class 4 roof covering would receive the highest premium credit' (TDI). Crucially, TDI also says 'the amount of discount for each class of roofing material is established by the insurance company on a company-by-company basis', so there is no single statewide percentage to quote.
- The discount is never automatic. You have to tell your carrier and evidence the product.
- Keep the paperwork. In Texas, contractors complete TDI form PC068, the impact-resistant roofing installation form, which the Texas Windstorm Insurance Association requires for a credit.
- Ask your own carrier before you buy. Rules and credits differ by state and by insurer, and some policies handle cosmetic hail damage on metal roofs with a separate exclusion or endorsement. Read that clause specifically.
- Get the class in writing. The rating belongs to a specific product and assembly, not to 'metal' in general.
The federal tax credit: the honest answer is no
For years, roofing salespeople quoted a federal energy credit. Two separate things ended that. First, roofing is not on the IRS list of qualifying property for the energy efficient home improvement credit: the qualifying building envelope components are exterior doors, exterior windows and skylights, and insulation and air sealing materials. Roofing appears nowhere. Second, the IRS states that the credit 'is allowed for qualifying property placed in service on or after Jan. 1, 2023, and before December 31, 2025' (irs.gov).
So for a metal roof installed in 2026, there is no federal energy credit to claim on either count. The separate residential clean energy credit covers solar and battery property, not roofing, and it was itself ended early by 2025 legislation for expenditures after December 31, 2025. If a quote contains a federal credit line, ask the salesperson to name the statute and the IRS page that applies to your install date, in writing, and check it yourself before you sign.
Where money genuinely can come back
- Insurance credits for an impact-rated roof, where your state and carrier offer them. This is the biggest and most reliable one.
- State and utility programs for cool or reflective roofing exist in some places and change often. Check your own utility rather than a national list.
- Insurance claims. If the old roof was storm damaged, that is a claim conversation, and it is separate from any upgrade you choose to pay for on top.
- Resale. Not a credit, but in hail and wildfire markets an impact-rated roof is a genuine selling point.
Nothing here is tax advice. It states the position as of this page's updated date, taken from the IRS pages linked above, and we correct it in place when the law or IRS guidance changes. Confirm your own position with a tax professional.