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.
Maximum roof pitch for clay tiles.
In general there is no maximum slope for tile roofs.
The irc recommends a minimum pitch of 2 5 12 for these materials.
Traditionally a minimum roof pitch of 20 was recommended in bs 5534 but modern tiles and slates have now been designed for applications as low as 15.
0 42 per tile to upwards of 20 00 for more specialised products.
Ratios from that minimum up to 4 12 which are considered low pitch require double underlayment.
To see the most up to date prices for individual products follow the links below or visit our clay roof tiles page.
What is the maximum roof pitch for a roof tile.
How much do clay roof tiles cost.
It is uncommon to find a roof below 15 but for those very low pitch applications there are interlocking clay pantiles available suitable for use down to 12 5.
However on extremely steep roofs above 19 12 or on.
Clay tiles are colorfast which means their tints improve rather than fade over time.
Clay tile roof slope sheathing underlayment specifications include defining thte roof slope requirements for clay tile roofs and roof sheathing requirements for clay tile roofs and also clay tile roof underlayment requirements.
Roof tiles and slates are very versatile products and can be used on a variety of roof pitches.