Minimum Pitch Clay Tile Roof

The irc recommends a minimum pitch of 2 5 12 for these materials. 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. Sunday july 1 2018 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.

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Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.

Minimum pitch clay tile roof.

For many years 20 was recommended as the minimum pitch for clay tiles but this has decreased in the modern era down to 15. Ratios from that minimum up to 4 12 which are considered low pitch require double underlayment. Metal roof shingles require a minimum roof pitch of 3 12 or greater. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.

Concrete is long lasting with a minimum lifespan of 50 years depending on climate. 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. What is the minimum slope for a clay or concrete tile roof. Natural slate 25 degrees.

What are the minimum pitches for clay or concrete tiles. However there is a frequent need to find suitable roof tiles that perform well at low pitches. Clay tiles are colorfast which means their tints improve rather than fade over time. Clay pantiles 30 degrees.

Our melodie interlocking clay pantile can be used in roof pitches as low as a 12 5 our wessex and mendip concrete roof tiles can be used down to a minimum 15 pitch. Plain tiles 35 degrees. As a general rule tiles and slates will perform down to the pitches outlined below. Particularly for first floor extensions.

Interlocking clay plain tiles 15 degrees.