Or see these.
Clay tile roof pitch.
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Clay and concrete tile minimum roof slope roof pitch r905 3 2.
Clay tiles are colorfast which means their tints improve rather than fade over time.
They can also be used on low pitched roofs such as the sandtoft 20 20 tile which is a highly popular clay option that can be installed on pitches of 15.
What are the minimum pitches for clay or concrete tiles.
Concrete is long lasting with a minimum lifespan of 50 years depending on climate.
Instead flashing for clay tile must be formed from heavy gauge copper or stainless steel.
For many years 20 was recommended as the minimum pitch for clay tiles but this has decreased in the modern era down to 15.
Self adhering underlayment that sticks to the roof deck and prevents leakage can be a highly desirable option for tile roofs.
Anything lower than this angle is rare and although there are specific products that can go lower 15 is the most common minimum angle for clay tiles.
The international residential code irc specifies a minimum 4 12 pitch 4 inches of vertical rise for every 12 inches of horizontal run for a clay or concrete tile roof except that a pitch as low as 2 1 2 12 is allowed when two layers of underlayment are applied.
Or see clay tile roof slope deck underlay faqs questions answers posted originally on this page.
The pitch of your roof also is a concern as concrete clay and slate tiles cannot be used on roof pitches below 4 12.
Likewise the nails used to attach clay tiles to the decking should be corrosion resistant copper or stainless steel.
And our brand new mendip 12 5 can be used at an even lower pitch of 12 5 restrictions on rafter length may apply further information all our low pitch options come complete with matching fittings and accessories for ease of installation and additional protection.
Where the minimum pitch for clay pantiles used to be 30 tiles like the redland cathedral pantile can be pitched as low as 22 5.
Clay tile roofing home.
A clay tile roof is considered to be a water shedding system so windblown rain is expected to get in under the tiles and must be accounted for during the installation.
Clay roofing tile installation articles.
The irc recommends a minimum pitch of 2 5 12 for these materials.
Aluminum or galvanized sheet metal sufficient for the life of an average asphalt roof would be the weakest link in a clay tile roof.
