Self-Adhered Direction
Can provide a robust continuous water-control layer where the approved assembly, deck, slope, tile attachment, ventilation and manufacturer requirements support it.
Florida Certified Roofing Contractor · CCC1330967Clay Tile Authority · Palm Beach & Broward Counties · 561-409-3280
Aastro Roofing CompanyClay tile systems · Repair · Replacement · Historic properties
Aastro Roofing CompanyResidential Clay Tile Roof Systems
Clay Tile Is Architecture. The Roof Still Has to Work as a Complete System.
Spanish, Mission, interlocking and custom clay profiles can create distinctive South Florida architecture, but the visible tile is only one layer. The roof still depends on the deck, water-control assembly, flashings, attachment, wind design, structural capacity, accessories and repairability.
US Tile Clay FirstSpanish · Mission · InterlockingHistoric / Custom MatchingWind & Structural Review
Hero imagery is verified Aastro footage from the Warden House historic clay-tile project.
Florida LicenseCCC1330967
Preferred Clay DirectionWestlake US Tile
Historic ProofWarden House Project
Service AreaPalm Beach + Broward
Start with the definition
Clay tile is a fired-clay water-shedding covering installed over a separate water-control assembly.
Clay tile can be durable and architecturally expressive, but it is not the waterproofing layer by itself. Wind-driven rain, broken pieces, laps, walls, penetrations and valleys make the underlayment and flashing system critical.
Do not buy “a clay roof” by color alone. The proposal should define the exact tile profile, current approval, underlayment, secondary water resistance, attachment, flashings, deck procedures, hips/ridges, accessories, structural assumptions and concealed-condition process.
Profile and architecture
The profile changes layout, attachment, accessories, replacement matching and visual character.
Clay is not one generic barrel tile. One-piece Spanish/S, two-piece Mission, interlocking/flatter profiles and custom historic pieces behave differently.
Complete assembly
A clay tile roof is a twelve-part system.
The visible clay belongs at the top of a coordinated roof—not at the beginning of the specification.
01
Existing Roof Investigation
Profile, age, repairs, leaks, layers and concealed conditions.
02
Structure & Deck
Framing capacity, sheathing, damage and attachment substrate.
03
Deck Attachment
Fastening and mitigation documentation where applicable.
04
Secondary Water Resistance
Deck-joint or full-deck water-control strategy as approved.
05
Underlayment
Approved self-adhered or multi-ply assembly and transitions.
06
Valleys & Flashings
Walls, valleys, eaves, penetrations and transition metals.
07
Battens / Direct-to-Deck
System-specific support and drainage configuration.
08
Clay Tile Profile
One-piece, pan-and-cover, interlocking or custom clay.
09
Attachment
Screws, nails, clips, adhesive and profile-specific details.
10
Hips, Ridges & Accessories
Starters, terminals, closures, mortar or approved accessories.
11
Ventilation / Thermal Review
Attic, airspace, ducts, insulation and moisture conditions.
12
Inspection & Roof File
Permits, approvals, photos, warranties and maintenance records.
Attachment design
Screw, nail and adhesive systems can all be legitimate—but clay tile makes execution especially important.
Clay is brittle, product geometry varies, and two-piece Mission roofs create different securement questions from one-piece interlocking profiles. The exact current tested assembly controls.
Water control beneath the clay
The tile should never distract from the underlayment, deck and flashing system below it.
Clay roofs can remain visually attractive while an aging underlayment, failed valley, wall transition or penetration allows water into the assembly. Replacement planning should define the water-control path before the visible tile is ordered.
Approved Multi-Ply Direction
Mechanically attached base/cap or other approved systems may be appropriate depending on project conditions, jurisdiction and tile assembly.
Valleys & Walls
Valley metal, wall flashings, counterflashing, crickets, backpans and transitions deserve the same design attention as the field of the roof.
Concealed Wood
The proposal should establish unit pricing, documentation and authorization for damaged decking or framing discovered after tear-off.
Wind design
Field, perimeter and corner zones can demand different tile securement.
Do not turn one nail pattern, one foam pattern or one fastener length into a universal South Florida rule. The product approval, deck, tile profile, building geometry and project design pressures control.
Field Zone
Lower-pressure roof areas still require the approved tile/attachment assembly and correct underlayment penetration details.
Perimeter Zone
Edges can require enhanced securement, smaller layout adjustments, stronger accessories or additional attention to eave/rake components.
Corner Zone
Corner pressures can be the most demanding and should be checked against the exact clay system, not extrapolated from the roof field.
Structural capacity gate
Clay tile weight varies materially by profile. A lighter-roof conversion requires capacity verification.
Some traditional Mission and barrel clay systems can be substantially heavier than shingles or light metal. Product weight should come from the current manufacturer data for the exact profile. Truss spacing alone does not establish roof capacity.
Examples are not universal design values. Current US Tile documentation lists its 2-Piece Mission system at approximately 1,000 lb per square at the recommended headlap, while current Ludowici product data varies by profile. The structural review must use the selected product and complete roof assembly.
Example clay family
Published example
Planning implication
US Tile 2-Piece Mission
Approx. 1,000 lb/sq
Verify complete dead load
Ludowici Italia
Approx. 950 lb/sq
Profile-specific review
Ludowici Cubana
Approx. 1,200 lb/sq
Heavier custom direction
Historic and custom clay
Matching an older clay roof can be a design, sourcing and preservation problem—not just a repair problem.
South Florida contains historic and architecturally significant clay roofs with profiles, colors and accessories that may no longer be ordinary stock items. The responsible process starts with documentation and positive identification.
Profile & Dimension Matching
Measure pans, covers, interlocks, headlap, width, curvature, thickness, nail holes and accessory pieces.
Color / Texture / Glaze
Use physical samples and roof mockups where appearance is critical; kiln-fired clay can show intentional variation.
Salvage & Custom Clay
Existing salvage, compatible current production or custom manufacturing may be considered depending on the project.
Preservation Coordination
Historic properties may require additional architectural or preservation review before final material selection.
Warden House · Palm Beach
Verified Aastro footage from a historic clay-tile roof replacement. This project is used as proof of Aastro clay-tile experience, not as a claim that every historic property uses the same clay product or installation method.
Manufacturer hierarchy
Westlake US Tile first—then the clay product that fits the architecture and approved assembly.
Product expertise is not represented as a contractor certification unless a current credential exists. Availability, approvals, accessories and warranty terms must be verified for the specific project.
Westlake US Tile
Primary clay-product direction. Current evaluation materials include one-piece S, tapered and Monarch two-piece Mission, Claylite, Claymax and Romano Pan families. Verify current Florida/HVHZ approval for the exact product.
Ludowici
Architectural terra-cotta manufacturer with Spanish, Mission, interlocking and shingle-style clay profiles, custom colors/textures and historic-resource capability.
Verea
Secondary clay option where the exact product, current Florida documentation, regional availability, accessory pieces and warranty fit the project.
Altusa / Specialty Clay
Consider when product availability, architectural match, current approvals and complete-system requirements support the project. Do not substitute profile names without technical review.
Repairability
With clay tile, the question is not just “How many pieces are broken?”
Repairability depends on why the tile failed, whether replacement pieces can be sourced, how the surrounding underlayment and flashing are performing, and how much traffic is required to reach the repair.
Isolated Breakage
A few broken pieces may be repairable when the surrounding assembly remains serviceable and compatible replacements exist.
Traffic Damage
Clay can be brittle under foot traffic. Access routes, cleaning, HVAC service and solar work can create damage away from the original service area.
Obsolete Profile
A discontinued clay shape or color can turn a small repair into a sourcing, salvage or custom-manufacturing problem.
Underlayment Failure
Repeated leaks or widespread aging beneath intact-looking clay can make repeated tile swaps an ineffective strategy.
Aastro project evidence
Use real project media where proof matters.
The Warden House footage is direct clay-tile proof. The supporting process photographs demonstrate Aastro tile installation, foam attachment, deck correction and repair work without implying that every image is the same clay profile.
Warden House · Palm BeachVerified Aastro historic clay-tile project
Tile AttachmentVerified Aastro field process · tile material/profile varies by project
Concealed Deck WorkVerified Aastro project process
Aastro Tile TeamField execution and supervision
Tile RepairabilityVerified Aastro repair work · profile not represented as clay
Clay Tile Decision Planner
Answer seven questions. The result identifies the next responsible step.
The planner does not approve structure, product selection, attachment, insurance or historic-preservation scope. It organizes the investigation and next action.
Request Aastro follow-up with your clay-tile context
If you choose to include your planner answers, they can be included with your project request so the Aastro team sees what you were researching before contacting you.
Clay tile FAQs
Questions homeowners should settle before choosing the system.
Is clay roof tile itself the waterproofing layer?
No. Clay tile is a water-shedding roof covering. Wind-driven rain and water at valleys, walls, penetrations, broken tile and laps can reach beneath it. The underlayment, flashings, drainage path, roof deck and complete approved assembly provide the water-control system.
What is the difference between clay and concrete roof tile?
Clay and concrete differ in material, weight, profile geometry, color behavior, accessory pieces, replacement matching, regional availability, installation details and product approvals. Neither is automatically better for every home.
What is one-piece S tile versus two-piece Mission tile?
One-piece S or Spanish tile combines the pan-and-cover shape into one interlocking piece. Two-piece Mission uses separate pans and covers, creating a more traditional barrel appearance and different layout, attachment, accessory and repair questions.
Does Aastro always recommend screws instead of nails or foam?
Aastro generally prefers a controlled screw-attached tile assembly when the specific clay product, deck, tested assembly and design pressures support it. That is an Aastro field preference, not a universal code rule. Approved nail, screw, clip and adhesive systems can all be legitimate.
Can foam-attached clay tile perform in high wind?
Approved adhesive systems can perform when the exact tile, substrate, adhesive, placement pattern, contact area, cure conditions and product approval are followed. The system is installation-sensitive and should be verified against current written requirements.
Why is replacement matching more difficult with clay tile?
Clay profiles, colors, glazes, kiln variation and discontinued products can make exact matching difficult. A repair may require salvage stock, a compatible current product, custom clay or a broader repair strategy depending on the roof and architectural requirements.
Can a shingle or metal roof be converted to clay tile?
Sometimes, but a materially heavier clay assembly triggers structural-capacity verification. Truss spacing alone does not establish capacity; design loads, span, lumber and plates, bearing, alterations, damage and other roof loads must be considered.
Do historic clay roofs require a different planning process?
Often. Historic or architecturally significant properties may require profile matching, color/blend mockups, special accessories, custom clay, salvage coordination, documentation and approval from the property team or local preservation authority where applicable.
Does a clay tile roof automatically lower insurance or utility costs?
No. A permitted roof and documented mitigation features may support underwriting review, but the carrier controls eligibility and pricing. Energy performance depends on the complete roof/attic/HVAC assembly, not clay tile alone.
What should a clay tile proposal define?
The proposal should identify the exact tile manufacturer/profile, color or blend, underlayment, secondary-water-resistance approach, attachment method, flashings, valleys, hips/ridges, deck procedure, structural assumptions, concealed-condition process, permits, current approvals, warranty terms and exclusions.
Technical references
Use current approvals and written instructions at proposal time.
These references support the educational framework. The project-specific product approval, manufacturer instructions, permit documents and written contract control the actual installation.
Westlake Royal Code ApprovalsUS Tile clay Florida approvals, NOAs and evaluation reportsUS Tile 2-Piece Mission GuideLayout, headlap, approximate weight and installation-reference boundariesUS Tile IAPMO ER-411Current evaluated clay families, slope limitations and ASTM C1167 complianceLudowici Clay Roof TileSpanish, Mission, interlocking and other architectural clay profilesLudowici Barrel / Mission ProfilesCurrent Spanish and Mission product familiesFlorida Building Code · Roof AssembliesCurrent code basis should be rechecked at permit/project specification time
Turn the research into a project-specific roof plan
Clay tile can be the right roof—but only when the complete assembly fits the home.
Start with the property, structure, profile, water-control system and wind design. Then choose the exact clay product and attachment pathway.