Roofing Code: Wind Resistance of Clay and Concrete Tile
1504.2 WIND RESISTANCE OF CLAY AND CONCRETE TILE
Wind loads on clay and concrete tile roof coverings shall be in accordance with Section 1609.5.
Testing of concrete and clay roof tiles shall be in accordance with Sections 1504.2.1.1 and 1504.2.1.2.
1504.2.1.1 OVERTURNING RESISTANCE
Concrete and clay roof tiles shall be tested to determine their resistance to overturning due to wind in accordance with Chapter 15 and either SBCCI SSTD 11 or ASTM C1568.
SECTION 1504.2.1.2 WIND TUNNEL TESTING
Where concrete and clay roof tiles do not satisfy the limitations in Chapter 16 for rigid tile, a wind tunnel test shall be used to determine the wind characteristics of the concrete or clay tile roof covering in accordance with SBCCI SSTD 11 and Chapter 15.