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ROOFING INSPECTION & REPAIR
AMERICAN CEMWOOD ROOFING
BEST ROOFING PRACTICES
BUILT UP ROOFS
CATHEDRAL CEILING VENTILATION
CERTIFICATIONS for ROOFING CONTRACTORS
CHIMNEY FLASHING Mistakes & Leaks
COLD WEATHER ROOF TROUBLE
DECKS, ROOFTOP CONSTRUCTION
EPDM, RUBBER, PVC ROOFING
EXTRACTIVE BLEEDING on SHINGLES
FIRE RETARDANT PLYWOOD
FLASHING on BUILDINGS
FLAT ROOF MOISTURE & CONDENSATION
Green House or Solarium Roof Leaks
HEAT TAPES & CABLES on Roofs for Ice Dams
ROOF ICE DAM LEAKS
MASONITE WOODRUF FIBERBOARD ROOFING
NOISE CONTROL for ROOFS
PLASTIC ROOFING TYPES
PVC, EPDM, RUBBER ROOFING
ROOF ARCHITECTURAL STYLES - PHOTO GUIDE
ROOF CLEANING RECOMMENDATIONS
ROOF COLOR RECOMMENDATIONS
ROOF INSPECTION SAFETY & LIMITS
ROOF LEAK DIAGNOSIS & REPAIR
ROOF NOISE TRANSMISSION
ROOF REPLACEMENT SNAFUs
ROOFING FELT UNDERLAYMENT REQUIREMENTS
ROOFING MATERIALS, Age, Types
SADDLE CONSTRUCTION at CHIMNEYS
SNOW GUARDS & SNOW BRAKES
STANDARDS for ROOFING
STRESS SKIN INSULATED PANELS
TEST LABS - ROOF SHINGLE
TREES & SHRUBS, TRIM OFF BUILDING
TRUSSES, Floor & Roof
UNDERLAYMENT REQUIREMENTS on ROOFS
VENTILATION in BUILDINGS
WALK-ON ROOF SURFACES
WARRANTIES for ROOF SHINGLES
WORKMANSHIP & ROOF DAMAGE
Guide to clay roofing tile styles and shapes: this article explains the different styles, profiles, and characteristics of clay tile roofing tiles.
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Our page top photo shows clay roofing tiles installed in Boca Raton, Florida. On this Florida roof the tiles provide cosmetic appearance and sun protection but on this roof, not waterproofing. This Boca Raton roof relies on a waterproof membrane below the clay tiles to keep water out of the building. This article includes excerpts or adaptations from Best Practices Guide to Residential Construction, by Steven Bliss, courtesy of Wiley & Sons.
Clay roof tiles are available in traditional two-piece styles, one-piece profiles, and flat profiles (Figure 2-18).
Clay tile designs are either overlapping or interlocking, with protruding lips that lock the tiles together and form a weather seal.
Many flat clay tiles interlock. Interlocking designs are recommended for regions with heavy rain or snow. Manufacturers provide special trim tiles to seal the voids formed at ridges, rakes, and hips.
Pan and Cover Style Clay Roof Tiles
This traditional two-piece style, also called barrel- or Mission-style clay tile, is installed in pairs with the cover tile overlapping the pan tile. It provides an attractive high-profile look but is labor-intensive and expensive to install. Variations include Roman and Greek profiles, which have flat, rather than curved, pan tiles. Tiles typically range from 8 to 12 inches in width and from 16 to 19 inches long.
Spanish S-tile Clay Roofing Tiles
Spanish S-tiles used on roofs are one-piece tiles provide the high-profile look of traditional pan-and-cover tile but with simpler installation. The most popular S-tiles measure about 13 inches wide by 16 1/2 inches long. Other common sizes are 8 3/4 x11 and 9 x14 inches.
Flat Shingle Style Clay Roof Tiles
Flat shingle style clay roofing tiles are laid in a double thickness, like slate. These clay roof tile widths range from 6 to 8 inches, lengths from 12 to 18 inches.
Interlocking Clay Roofing Tiles©
Interlocking clay roof tiles (photo at left) are either flat or low profile and are laid in a single thickness with a 3-inch overlap.
They have interlocks on the sides with channels or ribs, and butts may also lock into the tops of the underlying shingles. Contours and ribs add strength to the tiles.
Widths typically range from 9 to 13 inches and lengths from 11 to 16 inches.
Additional photographs of types of clay roof tiles can be found at CLAY TILE ROOFING.
Choices of Clay Roof Tiles for Freezing Climates
The two glazed roof tiles shown below were on homes in freezing climates of Norway (below left) and Duluth, MN (below right). Best Practices Guide to Residential Construction points out that
Clay roofing tiles come in a wide range of colors. Color-through tile takes the natural color of the clay, ranging from light tan to pink and red. Our clay roof tile photo (left) shows that a repair tile has been inserted and does not match the original roof in color or texture. This roof had other broken tiles (and leaks) apparently from foot traffic.
Other colors can be added to the tile surface as a clay slurry before firing, but slurry coatings are only suitable for warm climates, as they cannot withstand freeze-thaw cycles. Clay tile can also be colored with ceramic glazes [see our photographs just above] to create a durable, glass-like surface in just about any color.
In general, clay tiles do not fade in the sun. [Above we discussed selection of clay roofing tiles for freezing climates].
Blended Clay Roof Tile Patterns
Some jobs require the installer to mix two or three different colors in a random pattern. The best way to achieve this is to premix bundles on the ground with the correct proportion of each color, then send them up to the roof for installation. Periodically inspect the roof from the ground for hot spots or streaking.
Best Practices Guide to Residential Construction lists these producers and sources of clay roofing tiles, roof tile fastening systems, and related clay roofing products
Clay Roofing Tile Fasteners & Adhesives - Sources & Manufacturers
-- Adapted with permission from Best Practices Guide to Residential Construction.
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