Quick Summary

Clay tile is commonly cited as lasting 50 to 100 years, and on a New Orleans roof the tile is almost never the part that fails. The underlayment beneath it has a much shorter service life in Gulf heat, humidity and UV, which is why a clay roof here is usually rebuilt from underneath with the original tiles lifted, stacked and relaid. Big Easy Roofing works on clay and barrel tile roofs across New Orleans and the surrounding parishes, and the questions worth asking about one are about what sits under the tile, how it is fastened for coastal wind, and whether anyone should be walking on it at all.

Last Updated: September 2026

On this page

• How many years do clay tile roofs last in New Orleans?
• Can you walk on a clay tile roof?
• What goes under a clay tile roof?
• Do clay roof tiles need to be nailed down?
• What are the disadvantages of a clay tile roof in New Orleans?
• Frequently Asked Questions

Clay tile roofs in New Orleans get discussed almost entirely as a style choice, which skips the part that actually determines what one costs to own. Big Easy Roofing works on tile across Orleans and Jefferson Parish, and the pattern here is consistent: the tile outlives the house it was fitted to, while everything underneath it runs on a much shorter clock. That single fact changes how a clay roof should be inspected, when it should be touched, and what a replacement quote ought to say.

How many years do clay tile roofs last in New Orleans?

The Tile Roofing Industry Alliance puts tile at 50 to 100 years or more, and in New Orleans the tile is almost never what fails first. The underlayment beneath it has a far shorter life in Gulf heat and humidity, so a clay roof here is usually replaced from underneath while the original tiles go back on.

That distinction matters commercially, because the two jobs are priced nothing alike. A relay keeps the existing tile, so the cost sits in labour, disposal of the old membrane, any rotten decking and replacement of whatever breaks during handling. A full tile replacement means buying tile as well, and on an older profile that may not be purchasable at all.

What shortens the clock here is specific to the climate rather than to the material. Attic temperatures in a Louisiana summer are punishing on anything organic, humidity keeps the deck damp for longer after every storm, and the UV load reaching any exposed edge of the membrane is relentless. None of that touches fired clay, and all of it touches what the clay is sitting on.

Can you walk on a clay tile roof?

Yes, but only on specific points and rarely without cracking something. Clay tile carries weight at the headlap where courses overlap, not across the middle of the pan, so stepping wrong breaks tile that then has to be matched. Most New Orleans homeowners should stay off and send a roofer.

The reason this is worth taking seriously is not the broken tile, it is what replacing it involves:

• Tile profiles are not interchangeable between manufacturers, and many older New Orleans roofs carry a profile that is no longer made
• Colour on clay comes from the clay body and the firing, and on many tiles from a ceramic glaze or slip fired onto it, so a new tile of the same shape will often not match a roof that has weathered for decades
• A cracked tile rarely leaks immediately, because the underlayment is doing the waterproofing, which means damage sits undiscovered until the membrane fails underneath it
• Walking a valley or a hip is far riskier than walking a field, and those are exactly the areas someone inspecting gutters tends to cross

Ludowici, one of the oldest clay tile manufacturers in the country, tells homeowners to use the two to three inch headlap area if they must walk the roof at all, and otherwise to send a contractor experienced with clay. Booking a proper roof inspection costs less than replacing a dozen unmatched tiles.

What goes under a clay tile roof?

Underlayment, and on a clay roof it is the part that actually keeps water out. Tile sheds most of the rain and takes the sun, but wind driven rain gets past it, so the membrane underneath is the real waterproof layer and the one with the shorter service life.

A typical clay tile assembly on a New Orleans home, from the top down:

This is why a clay roof can pass a visual check from the ground and still be near the end of its working life. The visible layer is fine and will be fine for decades. The layer doing the work is invisible, and the first symptom of its failure is usually a stain on a ceiling rather than anything you can see on the roof.

Do clay roof tiles need to be nailed down?

Some are and some are not, and on the Gulf Coast the answer matters more than it does inland. Fastening requirements rise with design wind speed, so a tile roof in Orleans or Jefferson Parish is secured differently from the same tile on a house well away from the coast.

Older installations in New Orleans often relied on the weight of the tile and a fastener only at perimeters and hips, which is a reasonable approach in a calm climate and a poor one here. Modern practice on the coast fastens far more of the field, and pays particular attention to the edges, the ridge and the rake, because that is where uplift concentrates and where a tile roof usually starts coming apart in a named storm.

Two practical consequences. First, an old clay roof that has never been touched may be original in a way that is charming and underfastened at the same time, which is worth knowing before hurricane season rather than after. Second, a relay is the natural moment to correct it, since every tile is already off the roof, and it is also the moment to consider whether the rebuilt roof should meet the FORTIFIED standard Louisiana attaches grant funding to. If the tiles have started migrating or the ridge has loosened after a storm has been through, the fastening pattern is the first thing to look at rather than the tile itself.

What are the disadvantages of a clay tile roof in New Orleans?

Weight, fragility and the cost of matching a discontinued profile. Clay tile is heavy enough that the framing has to carry it, it breaks under foot traffic, and replacing a handful of broken tiles on an older New Orleans roof often means hunting for a profile nobody makes now.

1. Weight is a structural question, not a preference. A house framed for asphalt shingle cannot simply be re-covered in clay without a qualified roofing contractor, and often a structural engineer, confirming the framing carries the load
2. Repairs are slow and fiddly compared with shingle, because reaching a broken tile means lifting the courses above it without breaking those too
3. Matching is the real expense on an old roof. Salvage is often the only route, and salvage supply is unpredictable
4. The underlayment clock runs whether or not anything looks wrong, so a clay roof needs inspecting on a schedule rather than on symptoms
5. Poorly fastened tile is a wind liability on this coast, and it is invisible from the ground

None of that makes clay a bad choice here. It makes it a long horizon choice that rewards being maintained and punishes being ignored, which is the opposite of how most roofs get treated. The same underlying question, whether age alone means a roof is finished, comes up on far younger roofs in Kenner and on asphalt shingle, which ages far faster in this climate. The full range of profiles, including barrel and mission shapes, is covered on the Spanish and barrel tile pages, and the broader tile roofing section covers concrete and the other options alongside clay.

Frequently Asked Questions

How often should a clay tile roof be inspected?

Because the waterproofing layer is hidden and fails without visible warning, a clay roof benefits from a scheduled inspection rather than waiting for a symptom, and after significant wind or hail even when nothing looks wrong from the ground.

Can the original tiles be reused when the underlayment is replaced?

Usually yes, which is the whole economics of a clay roof. Tiles are lifted, stacked and relaid over new underlayment, with breakage during handling being the main variable in the quote.

Does a clay tile roof need more structure than asphalt shingle?

Clay is substantially heavier than shingle, so converting an existing New Orleans home to tile is a structural question that has to be answered before it is a roofing one.

Why does a cracked clay tile not leak straight away?

The underlayment beneath the tile is doing the waterproofing, so a broken tile exposes that membrane to sun and weather and shortens its life rather than producing an immediate leak.

Does a cracked clay tile have to be replaced straight away?

It should not be left indefinitely, because the break exposes the underlayment below to sun and weather, but it is rarely an emergency in the way a shingle roof leak is, so it is usually handled at the next inspection.

Does Big Easy Roofing work on clay tile in Orleans and Jefferson Parish?

Yes. Big Easy Roofing works on clay and barrel tile across New Orleans, Metairie, Kenner and the surrounding parishes, including relays where the existing tile is lifted and reinstated over new underlayment.

Is a clay tile roof a good idea this close to the coast?

Clay performs well against sun, heat and rain, and the deciding factors on the Gulf Coast are how it is fastened against uplift and whether the structure carries the weight, rather than the material itself.

If a clay roof has not been looked at in years, the useful thing is knowing what condition the layer under the tile is in, because that is what sets the timeline. Call Big Easy Roofing at 504-800-8196 for an inspection across New Orleans and the surrounding parishes, and a written assessment covering underlayment condition, fastening and any tile that needs matching. Where a relay is the answer, the original tile goes back on wherever it survives handling, and you can get that booked in without committing to anything first.

Written by the Big Easy Roofing team, a Louisiana State Licensing Board for Contractors licensed roofing company working across Orleans, Jefferson, St. Tammany, Tangipahoa and St. John the Baptist parishes. The crew has relaid clay and barrel tile on New Orleans homes where the original tile predates anyone currently living in the house, and has spent enough time sourcing discontinued profiles to know which ones are worth saving.