Minimum Pitch Clay Tile Roof

Interlocking clay plain tiles 15 degrees.

Minimum pitch clay tile roof.

As a general rule tiles and slates will perform down to the pitches outlined below. Clay pantiles 30 degrees. 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. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.

Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. 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. 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. However there is a frequent need to find suitable roof tiles that perform well at low pitches.

For many years 20 was recommended as the minimum pitch for clay tiles but this has decreased in the modern era down to 15. What are the minimum pitches for clay or concrete tiles. Plain tiles 35 degrees. Ratios from that minimum up to 4 12 which are considered low pitch require double underlayment.

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. The irc recommends a minimum pitch of 2 5 12 for these materials. Concrete is long lasting with a minimum lifespan of 50 years depending on climate. Natural slate 25 degrees.

Clay tiles are colorfast which means their tints improve rather than fade over time.