Maximum Roof Pitch 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.

Maximum roof pitch for clay tiles.

However on extremely steep roofs above 19 12 or on. This section is intended to provide you with an idea of the level of pricing for clay roof tiles which can range from approx. How much do clay roof tiles cost. The irc recommends a minimum pitch of 2 5 12 for these materials.

In general there is no maximum slope for tile roofs. 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. 0 42 per tile to upwards of 20 00 for more specialised products. Roof tiles and slates are very versatile products and can be used on a variety of roof pitches.

Ratios from that minimum up to 4 12 which are considered low pitch require double underlayment. What is the maximum roof pitch for a roof tile. Clay tiles are colorfast which means their tints improve rather than fade over time. Tiles or slates can be used at pitches up to 90 degrees vertical provided a clip is available to securely clip the tail of the tile available for most tiles.

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.