Tile Roof Slopes

Outside of the u s a degree angle is typically used.

Tile roof slopes.

Nrca s recommended minimum roof slope guidelines for steep slope roof systems generally are greater at steeper inclines than those in the building code. 3 12 1. Roof slope expressed as rise run in inches. For asphalt shingle clay and concrete tile metal shingle slate and wood shake and shingle roof systems nrca recommends slopes of 4 12 or more.

In general there is no maximum slope for tile roofs. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Our concrete roof tile portfolio includes beautiful high and medium barrel tile as well as a gorgeous assortment of flat profiles in rich colors and contrasting textures that will complement any. 0 12.

A clay tile roof system can cost two to three times as much as an asphalt roofing system. The underlying roof provides all the necessary waterproofing. 4 76 8 33 grade. Concrete clay roof tiles.

On slopes less than 3 1 2 12 roofing tile is considered decorative only. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 0 or 180 0. Clay and concrete roof tiles can only be installed on roof slopes of 2 1 2 12 or greater.

This is offset though by the long life a tile roof will enjoy. This means for every 12 horizontal units the roof must rise a minimum of two and one half vertical units. Slopes 4 12 or greater which are considered high pitch need only one layer of underlayment. The manual lists different minimum slopes according to the type of underlayment and tile installation method which varies from 2 12 to 4 12.

Also if clay and concrete roof tiles are installed on a roof slope of 2 1 2 12 to 4 12 it shall be provided with a double underlayment application. It is often compared to slope but is not exactly the same. It is also an excellent contractor resource with extensive illustrations of flashing and other installation details. Common roof slopes expressed in rise run and angle slope expressed as grade.

Concrete tile roofs are more economical with costs of 400 to 450 per square. Easy to walk on. Roof slope expressed as an angle. However on extremely steep roofs above 19 12 or on vertical applications wind currents may cause tiles to rattle.

Cedar shakes shingles.