Replacing the underlayment on a tile roof usually costs about $3 to $5 per square foot, or $300 to $500 per roofing square, to lift the tiles, install new underlayment and relay the same tiles, according to Fixr’s cost guide (updated January 31, 2025). That works out to roughly $6,000 to $10,000 for a 2,000 sq ft tile roof in Fixr’s figures, which assume about 10% of the tiles break. Arizona and Florida contractors publish higher totals once flashing, deck repair, permits and stricter underlayment systems are added. This page prices the job line by line so you can check a quote against the arithmetic.
Key numbers at a glance
The figures below are the ones homeowners search for most. Each is a published figure from a named source, and each depends on roof size, pitch, tile type and local labor rates, so treat them as ranges, not quotes.
| Figure | Value | Source |
|---|---|---|
| Lift, re-underlay and relay, per sq ft | $3 to $5 per sq ft ($300 to $500 per square) | Fixr, updated Jan. 31, 2025 |
| 2,000 sq ft tile roof, underlayment only | $6,000 to $10,000 (assumes 10% tile breakage) | Fixr, updated Jan. 31, 2025 |
| Arizona tile roofs, installed | $4 to $6 per sq ft; $8,000 to $12,000 for 2,000 sq ft | America Roofing (Phoenix), July 27, 2026 |
| 3,000 sq ft concrete tile roof | Budget $10,000 to $15,000 | JBS Roofing (Glendale, Ariz.) blog |
| Jacksonville, Fla., full residential roof | $5,500 to $18,000 | Devore Capital Roofing, 2026 |
| Lift and re-lay vs. a complete tile replacement | About 20% less | Eagle Roofing Products FAQ, Sept. 2018 |
Why does tile roof underlayment fail before the tile?
Tile underlayment usually wears out first because roof tile sheds water but is not a waterproof layer, so the membrane underneath does the waterproofing work for the life of the roof. In a Tile Roofing Industry Alliance (TRI) answer published by Eagle Roofing, the expert states that “the tiles will last longer than the house, but the long-term performance of the secondary barrier will determine the life cycle of the roofing assembly.”
Concrete tile is made to ASTM C1492 and clay tile to ASTM C1167, the standards the FRSA-TRI Florida High Wind Concrete and Clay Tile Installation Manual (7th Edition) cites. The underlayment beneath is an asphalt or polymer sheet that ages under heat, fastener holes, foot traffic and water that gets past the tile laps.
Eagle Roofing’s own warranty brochure says the tile “is known to last the life of the structure” but tells owners to have the deck, underlayment and flashings inspected “every couple of years as there is a shelf life on those components.” The common failure points, from manufacturer and contractor sources:
- Wind-driven rain at edges. Eagle Roofing says eaves, hips, ridges and penetrations such as vents and chimneys are the areas most exposed to wind-driven rain reaching the underlayment.
- Heat aging of asphalt felt. JBS Roofing in the Phoenix area lists brittleness, shrinking and curling as signs that underlayment 10 to 15 or more years old is deteriorating.
- Debris dams in valleys. JBS Roofing notes that leaves and limbs can clog valleys and back water up under the tile.
- Mixed systems. The FRSA-TRI manual warns that the inadvertent “mixing of systems” (underlayment, flashing and attachment methods that were not designed to work together) “can lead to a reduction in the life span of a tile roof system.”
That mid-life underlayment job is one reason a tile roof’s long-run cost differs from its sticker price. For the full comparison, see our tile vs shingle lifecycle cost breakdown.
How much does it cost to replace underlayment on a tile roof?
Published tile-specific figures cluster at $3 to $6 per square foot installed, or $300 to $600 per square, with full-roof totals from about $5,500 to $18,000 for typical homes. Generic underlayment figures from cost sites run far lower because they price laying a membrane on an open deck, not lifting and relaying thousands of tiles. Check which kind of figure a source is quoting before comparing it with a bid.
| Source (date) | What it prices | Per sq ft | Per square (100 sq ft) | Note |
|---|---|---|---|---|
| Fixr (Jan. 31, 2025) | Remove tile, replace underlayment, reinstall tile | $3 to $5 | $300 to $500 | Labor alone $2.75 to $3.50 per sq ft; about 10% breakage assumed |
| America Roofing, Phoenix (July 27, 2026) | Arizona tile underlayment replacement | $4 to $6 | $400 to $600 | Contractor-published Arizona range |
| HomeGuide tile roof cost guide (2026) | Tile roof underlayment replacement | $0.75 to $4.00 | $75 to $400 | Same range HomeGuide gives for underlayment on all roof types |
| Angi | Roof underlayment replacement, all roof types | $0.60 to $2.70 (average about $1.60) | $60 to $270 | Not tile-specific |
| Homewyse (May 2026) | Basic underlayment install | $1.08 to $1.31 | $108 to $131 | Excludes tile removal and relay |
The $3 to $6 tile-specific band is the one to budget from. The generic $1 to $3 figures describe the membrane step only, which on a tile roof is the smaller part of the labor.
Cost per square vs. cost per square foot
A roofing square is 100 square feet of roof surface, so multiply a per-square-foot price by 100 to get the per-square price. Fixr’s $3 to $5 per sq ft equals $300 to $500 per square, and America Roofing’s Arizona $4 to $6 equals $400 to $600 per square. A 25-square roof at $400 per square is $10,000 before extras.
Roof area is not house floor area. A roof’s surface is larger than its footprint because of pitch and overhangs. The pitch factor is the square root of 1 plus (rise divided by 12) squared: about 1.054 for a 4:12 roof, 1.083 for 5:12 and 1.118 for 6:12. A 2,200 sq ft single-story footprint under a 5:12 roof is about 2,383 sq ft of roof before overhangs (Roofing Brief arithmetic).
What line items go into a tile underlayment replacement quote?
A complete quote for lifting and relaying tile should itemize tile removal and staging, tear-off of the old underlayment, the new underlayment system, flashing, replacement tiles for breakage, battens if the system uses them, hip and ridge resetting, deck repair and the permit. Labor to handle the tile is the largest share. Fixr puts that labor at $2.75 to $3.50 per square foot on a tile or concrete roof.
| Line item | What it covers | Typical price | Source |
|---|---|---|---|
| Tile removal, staging and relay labor | Lifting field tile, stacking it, removing old underlayment, relaying tile | $2.75 to $3.50 per sq ft | Fixr, Jan. 31, 2025 |
| Underlayment material | Felt, synthetic, self-adhered or two-ply system | $0.05 to $0.65 per sq ft per layer (see underlayment table) | Fixr; HomeGuide |
| Replacement tiles (breakage) | Tiles cracked during lifting or found damaged | Concrete tile $3 to $5 per sq ft of coverage; clay $3 to $11 | HomeGuide tile roof cost guide (material prices) |
| Flashing | Valley, eave, rake, wall and penetration metal | $500 to $1,500 or more for major repair or complete replacement | HomeGuide roof flashing guide, Jan. 13, 2026 |
| Deck repair | Rotted or delaminated sheathing found after tear-off | $2 to $5 per sq ft | HomeGuide |
| Hip and ridge reset | Resetting ridge and hip tile in approved mortar, adhesive or structural support | Usually inside relay labor; ridge tiles $3 to $19 each if replaced | HomeGuide (ridge tile price) |
| Battens | Wood strips that hold tile on some systems | Priced per job; ask for it as a separate line | Requirement per FRSA-TRI manual and tile maker’s instructions |
| Permit | Reroof permit and inspections | $150 to $500 | HomeGuide |
Solar panels add a separate removal and reinstall charge. One homeowner posting on Reddit’s r/Roofing reported a quote of about $35,000 for a lift and relay on roughly 3,600 sq ft of roof, plus about $5,000 to remove and reinstall the solar panels. That is one posted quote, not a market average, but it shows the size of the solar line.
What underlayment goes under tile, and what does it cost?
Tile roofs use heavier and longer-lived underlayment than shingle roofs, and in Florida the FRSA-TRI 7th Edition manual sets minimums for each system. A self-adhered membrane must be at least 40 mils thick, and mechanically attached assemblies must pass FM 4474 or UL 1897 wind-uplift testing plus a minimum 90 days of UV exposure per product approval.
| Underlayment | Standard or minimum | Material price per sq ft | Where it fits | Source |
|---|---|---|---|---|
| 30 lb felt | ASTM D226 Type II (“No. 30”) | $0.05 to $0.50 (asphalt felt) | Base sheet in two-ply systems; older single-layer tile roofs | FRSA-TRI 7th Ed.; Fixr |
| 40 lb felt | Heavier felt, often modified bitumen coated | Not itemized in the sources checked | Recommended by some installers for tile in rainy climates | Fixr |
| 90 lb mineral-surfaced roll roofing | ASTM D6380; at least 74 lb per roll | Not itemized in the sources checked | Cap sheet set in hot asphalt over a base sheet | FRSA-TRI 7th Ed. |
| Synthetic | Polypropylene or polyethylene sheet; product approval for tile required in Florida | $0.17 to $0.55 | Single layer in many non-Florida markets | Fixr |
| Self-adhered single-ply | Minimum 40 mil SBS, APP or approved equal | $0.55 to $0.65 (rubberized asphalt) | Florida one-ply systems; high-wind and high-rain areas | FRSA-TRI 7th Ed.; Fixr |
| Two-ply (base sheet plus cap sheet) | Base sheet nailed or self-adhered; cap sheet hot-mopped, cold process, heat applied or self-adhered; minimum 40 mil | About $0.60 to $1.15 for felt base plus self-adhered cap (Roofing Brief estimate from Fixr prices) | Florida two-ply systems | FRSA-TRI 7th Ed.; Fixr |
One trade-off to weigh: Steve Bliss of BuildingAdvisor.com notes that a fully adhered self-adhesive membrane is “nearly impossible to remove when it comes time to reroof,” so the roof sheathing may need replacing at the next tear-off. That cost lands on the next owner or the next relay, not this one.
The underlayment material is a small part of the bill. On a 2,000 sq ft roof, moving from a $0.17 synthetic to a $1.15 two-ply system adds roughly $2,000 in material, while the tile labor stays the same.
Worked examples: 2,000 and 3,000 sq ft tile roofs
A 2,000 sq ft concrete tile roof with synthetic underlayment comes to about $7,300 to $11,600 when every line item above is included, and a 3,000 sq ft roof about $10,600 to $16,400. These are Roofing Brief estimates built from the published unit prices in the line-item table, not quotes. They assume 10% tile breakage (Fixr’s assumption), 5% of the deck replaced and a single complete flashing package.
| Line item | 2,000 sq ft (20 squares) | 3,000 sq ft (30 squares) | Basis |
|---|---|---|---|
| Lift, stage and relay labor | $5,500 to $7,000 | $8,250 to $10,500 | $2.75 to $3.50 per sq ft (Fixr) |
| Synthetic underlayment | $340 to $1,100 | $510 to $1,650 | $0.17 to $0.55 per sq ft (Fixr) |
| Replacement concrete tile, 10% breakage | $600 to $1,000 | $900 to $1,500 | 200 or 300 sq ft at $3 to $5 (HomeGuide) |
| Flashing package | $500 to $1,500 | $500 to $1,500 | HomeGuide; larger roofs trend to the top |
| Deck repair, 5% of deck | $200 to $500 | $300 to $750 | 100 or 150 sq ft at $2 to $5 (HomeGuide) |
| Permit | $150 to $500 | $150 to $500 | HomeGuide |
| Total, synthetic underlayment | $7,290 to $11,600 | $10,610 to $16,400 | Sum of rows |
| Per square | $365 to $580 | $354 to $547 | Total divided by squares |
| Total with two-ply system instead | $8,150 to $12,800 | $11,900 to $18,200 | Underlayment at $0.60 to $1.15 per sq ft |
These totals line up with the contractor figures above: JBS Roofing’s $10,000 to $15,000 budget for a 3,000 sq ft concrete tile roof and America Roofing’s $8,000 to $12,000 for 2,000 sq ft in Arizona. Fixr’s lower $6,000 to $10,000 figure for 2,000 sq ft covers labor, underlayment and breakage, but not flashing, deck repair or the permit.
How much does tile breakage add, and is clay worse than concrete?
Breakage is the most variable line on a lift and relay. Fixr’s cost model assumes about 10% of tiles are damaged, and Devore Capital Roofing in Jacksonville puts typical breakage at 5 to 15%, with older, more brittle tile and clay tile generally breaking more often than newer concrete tile. Clay also costs more to replace, so the same breakage rate can cost up to about twice as much.
| Breakage rate (2,000 sq ft roof) | Tile area to replace | Concrete tile at $3 to $5 per sq ft | Clay tile at $3 to $11 per sq ft |
|---|---|---|---|
| 5% | 100 sq ft | $300 to $500 | $300 to $1,100 |
| 10% | 200 sq ft | $600 to $1,000 | $600 to $2,200 |
| 15% | 300 sq ft | $900 to $1,500 | $900 to $3,300 |
Source note: breakage rates from Fixr (10%) and Devore Capital Roofing (5 to 15%); tile material prices from HomeGuide’s tile roof cost guide. Arithmetic by The Roofing Brief.
Eagle Roofing Products explains one reason tiles crack: when good tile is pried up, the nail holes can be stressed, “causing hairline cracks in the tile itself, which will have to be replaced.” Matching is the other risk. Eagle and JBS Roofing both warn that a discontinued profile or color can make replacement tiles hard to match, and Eagle notes that weathered and new tile can leave a “patchy” look. Ask the contractor to place any new tiles on low-visibility slopes and to put a per-tile replacement price in writing.
How is tile roof underlayment replaced, step by step?
A lift and relay removes the field tile in sections, replaces the underlayment and most flashing, then relays the same tile with attachment that meets the code in force today. The 2021 International Residential Code, Section R908.5, allows existing clay or cement tile to be reinstalled, “except that damaged, cracked or broken slate or tile shall not be reinstalled,” and requires flashings to be replaced where rusted, damaged or deteriorated.
- Inspect and permit. The contractor confirms the tile is sound and pulls a reroof permit. Eagle Roofing advises that the condition of the tile decides whether a lift and relay or a full reroof makes sense.
- Remove and stage tile. Tile comes off in sections and is stacked. The FRSA-TRI manual says to distribute tile stacks uniformly, not in concentrated loads, and Eagle warns that stacking old tile on one area of the roof can overload it.
- Strip the old underlayment and check the deck. Old membrane and fasteners come off. Soft or damaged sheathing is replaced before anything new goes down.
- Install eave metal and the new underlayment. The system follows its approval: one-ply self-adhered, or a base sheet plus cap sheet, with the laps the manual or manufacturer specifies (for example, a minimum 4 inch headlap and 6 inch end lap for Florida single-ply systems).
- Replace flashing. Valley, wall, rake and penetration flashing are replaced where worn. Eagle says a lift and relay “typically includes the complete replacement of the underlayment and most flashings.”
- Install battens if the system uses them. The FRSA-TRI manual specifies nominal 1 inch by 2 inch by 4 foot horizontal battens of decay-resistant material and requires transitional flashings when battens are used.
- Relay the tile. Sound tile goes back with approved fasteners, adhesive or mortar. Cracked tile is swapped for new.
- Reset hips and ridges, then pass final inspection. Hip and ridge tile is reset; in Florida the mortar used to fasten hips and ridges must carry Florida product approval and SSTD 11 test data under the FRSA-TRI manual.
Florida tile underlayment replacement: code, HVHZ and insurance
Florida adds three cost drivers: the FRSA-TRI 7th Edition installation manual, stricter High-Velocity Hurricane Zone rules in Miami-Dade and Broward counties, and roof-age rules that affect insurance. A full lift and relay replaces 100% of the underlayment, so the work generally has to meet the Florida Building Code in effect when the permit is pulled.
The FRSA-TRI manual and the Florida Building Code
The FRSA-TRI Florida High Wind Concrete and Clay Tile Installation Manual, 7th Edition, took effect on December 31, 2023, alongside the 8th Edition (2023) Florida Building Code. FRSA reports the Florida Building Commission referenced it as the standard for tile installation statewide outside the HVHZ. Its underlayment matrix offers single-ply self-adhered systems and two-ply systems (base sheet plus a hot-mopped, cold-process, heat-applied or self-adhered cap sheet), each tied to specific flashing and attachment methods.
The 9th Edition (2026) Florida Building Code is scheduled to take effect on December 31, 2026. Permits pulled after that date may fall under the new edition, so ask your contractor which edition the job will be permitted under.
HVHZ requirements in Miami-Dade and Broward
In the High-Velocity Hurricane Zone, tile is installed under the Florida Building Code’s HVHZ roofing provisions and its Roofing Application Standards: RAS 118 and RAS 119 for mechanically fastened tile and RAS 120 for mortar and adhesive set tile, with RAS 127 covering tile and underlayment uplift calculations. The Florida Building Commission’s analysis of the 9th Edition (2026) changes says the new versions of those standards require every underlayment system to be tested and to hold Product Approval for use as a roof tile underlayment. Ask for the approval numbers of the underlayment, tile attachment and mortar or adhesive to be written into the quote.
The 25% rule
Florida Building Code, Existing Building, Section 706.1.1 limits repairs, replacement or recovering to 25% of a roof or roof section in any 12-month period unless the whole roofing system or section is replaced to current code. Florida Statutes section 553.844(5) carves out an exception: if the roof was “built, repaired, or replaced in compliance with the requirements of the 2007 Florida Building Code, or any subsequent editions,” only the repaired, replaced or recovered portion must meet the code in effect.
For an older tile roof installed before the 2007 code applied, a partial lift and relay over 25% of a roof section can trigger bringing that whole section to current code. Your building department makes that call, so confirm it before signing.
Insurance and roof age in Florida
Florida Statutes section 627.7011(5) says an insurer may not refuse to issue or renew a homeowner’s policy solely because a roof is less than 15 years old. For a roof at least 15 years old, the insurer must allow an inspection, and may not refuse solely because of age if an authorized inspector finds 5 or more years of useful life left. That is the “15 year roof rule” Florida homeowners ask about.
The same statute measures roof age from “the last date on which 100 percent of the roof’s surface area was built or replaced” under the code in effect. Whether an insurer treats a permitted lift and relay with new underlayment as a new roof date is up to the carrier, so ask your insurer before work starts and keep the permit, final inspection and product approvals.
For full-roof pricing in the state, see our Florida roof replacement cost guide.
Does a lift and relay void the tile warranty?
It can. Eagle Roofing Products’ limited lifetime warranty states that it “covers the original installation only” and that “complete ‘lift and re-lay’ installations (greater than 3 squares) renders limited lifetime warranty null and void.” Eagle also says in its lift and re-lay FAQ that you “will not receive a new tile warranty” as you would with a new concrete tile roof.
Before a lift and relay, collect three separate warranties in writing:
- Tile warranty: check whether the tile maker’s terms survive a relay. Our Eagle Roofing tile review covers Eagle’s terms in detail.
- Underlayment warranty: the underlayment maker’s material warranty, which usually requires installation to its instructions.
- Workmanship warranty: the contractor’s coverage for leaks caused by installation, including how long it lasts and what it excludes.
Should you replace the underlayment or the whole tile roof?
A lift and relay makes sense when the tile is sound, still in production or salvageable in quantity, and attached in a way current code lets you reuse. New tile is the better buy when breakage will be high, the profile is discontinued or the tile itself is failing. For comparison, new concrete tile runs $7 to $19 per sq ft installed and clay tile $11 to $25 in The Roofing Brief’s 2026 Roofing Cost Report, against roughly $3 to $6 for a lift and relay.
Eagle Roofing Products, which sells new tile, says a lift and re-lay is “about 20 percent less in cost” than a complete tile replacement and that labor for the two jobs is “virtually identical.” The third-party unit prices above imply a wider gap on many roofs, so get both options priced on your own roof.
| Your situation | Usual recommendation | Why |
|---|---|---|
| Tile sound, leaks traced to underlayment, roof 20 or more years old | Lift and relay | Reuses the most expensive material; TRI says the underlayment sets the system’s life |
| Isolated leak at one valley or penetration | Targeted repair; see our tile roof repair cost guide | Florida’s 25% rule and cost both favor fixing only the failed area when allowed |
| Tile profile or color discontinued | Get quotes for both; lean toward new tile if breakage will exceed what you can hide | Eagle and JBS warn of matching problems |
| Clay tile, old or brittle | Lift and relay with a written per-tile price and breakage cap | Higher breakage and higher replacement cost per tile |
| Tile cracking, spalling or crumbling across the roof | Full replacement; see our tile roof replacement guide | IRC R908.5 bars reinstalling cracked or broken tile |
| Concrete tile at end of life, or switching materials | Full reroof; see our concrete roof replacement guide | New tile gets a new manufacturer warranty |
How long does tile roof underlayment last?
Tile roof underlayment commonly lasts about 20 to 30 years, while the tile can last far longer. Fixr and Devore Capital Roofing both cite 20 to 30 years for tile underlayment, and HomeGuide says roof tiles last 30 to 200 years depending on type and conditions. The TRI expert answer published by Eagle Roofing frames it the same way: the tile outlasts the house, and the underlayment sets the life of the roof assembly.
Product choice moves the number. Steve Bliss of BuildingAdvisor.com writes that fiberglass mats, SBS modifiers and 40 lb weight “can increase the lifespan of the underlayment by 50 to 100%” over basic felt, and that warranties for two layers of SBS-modified underlayment range from 10 to 30 years. JBS Roofing adds that bird droppings and debris shorten underlayment life in the Phoenix area. Your underlayment maker’s literature gives the rated life for your specific product. Routine care that extends underlayment life is covered in our tile roof maintenance guide.
Frequently asked questions
How much does it cost to replace a tile roof underlayment?
Replacing tile roof underlayment typically costs $3 to $6 per square foot installed. Fixr puts it at $3 to $5 per sq ft and $6,000 to $10,000 for a 2,000 sq ft roof, and America Roofing quotes $4 to $6 per sq ft in Arizona. Adding flashing, deck repair and a permit, a Roofing Brief line-item estimate is about $7,300 to $11,600 for 2,000 sq ft.
How much to replace underlayment on a tile roof per square?
Per roofing square (100 sq ft), tile underlayment replacement typically runs $300 to $500 based on Fixr’s $3 to $5 per sq ft, or $400 to $600 based on America Roofing’s Arizona figures. A full line-item Roofing Brief estimate that includes breakage, flashing, deck repair and the permit comes to roughly $350 to $580 per square with synthetic underlayment.
What is the typical lifespan of tile roof underlayment?
Tile roof underlayment usually lasts about 20 to 30 years, according to Fixr and Devore Capital Roofing, while concrete and clay tile can outlast the house. A Tile Roofing Industry Alliance expert answer published by Eagle Roofing says the long-term performance of the underlayment, not the tile, determines the life of the roof assembly. Heavier SBS-modified and two-ply systems generally carry longer warranties than single-layer felt.
How do you replace the underlayment on a tile roof?
Crews remove the field tile in sections and stack it, strip the old underlayment, repair the deck, install new underlayment and flashing, add battens if the system calls for them, then relay the sound tile and reset hips and ridges. Under 2021 IRC Section R908.5, cracked or broken tile may not be reinstalled and must be replaced.
Will a roof leak with just underlayment?
A new, properly lapped underlayment can keep water out for a limited time, but it is not designed as a permanent exposed roof. The FRSA-TRI manual requires tile underlayments to pass a minimum of 90 days of UV exposure per product approval. Once tile is off, keep exposure within the product’s rated window and get tile back on promptly.
Does a lift and relay void my tile warranty?
It can. Eagle Roofing Products’ limited lifetime warranty covers the original installation only and states that complete lift and re-lay installations greater than 3 squares render the limited lifetime warranty null and void. Other tile makers set their own terms, so read your warranty and get the underlayment and workmanship warranties in writing before work starts.
What is the 15 year roof rule in Florida?
Under Florida Statutes section 627.7011(5), an insurer may not refuse to issue or renew a homeowner’s policy solely because the roof is less than 15 years old. For roofs 15 years or older, the insurer must allow an inspection and may not refuse solely due to age if the inspection shows at least 5 years of useful life remaining.
Sources
- FRSA and Tile Roofing Industry Alliance, Florida High Wind Concrete and Clay Tile Installation Manual, 7th Edition (effective Dec. 31, 2023).
- Eagle Roofing Products: “Ask a TRI Alliance Expert: Underlayment” (May 24, 2018); “FAQ: What is a Lift and Re-lay and is it an option for me?” (Sept. 6, 2018); “Underlayment Maintenance” (Jan. 23, 2020); 2025 Warranty FAQ brochure.
- International Code Council, 2021 International Residential Code, Section R908.5 (Reinstallation of materials).
- Florida Building Code, Existing Building, 8th Edition (2023), Section 706.1.1; Florida Building Commission, Analysis of Changes, 9th Edition (2026) FBC Test Protocols for the HVHZ.
- Florida Statutes sections 553.844(5) and 627.7011(5).
- The Roofing Brief, 2026 Roofing Cost Report (new tile installed prices).
- Fixr, Roof Underlayment Replacement Cost (updated Jan. 31, 2025); HomeGuide, Tile Roof Cost (2026 edition), Roof Underlayment Replacement Cost (Apr. 18, 2024) and Roof Flashing Repair Cost (Jan. 13, 2026); Angi, Roof Underlayment Replacement Cost; Homewyse, Cost to Install Roofing Underlayment (May 2026).
- Steve Bliss, BuildingAdvisor.com, tile roofing underlayment Q&A.
- Contractor-published figures: America Roofing (Phoenix, July 27, 2026); JBS Roofing (Glendale, Ariz.); Devore Capital Roofing (Jacksonville, Fla., 2026).