ASTM C1570

Full Name

ASTM C1570 – Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Air Permeability Method)


The air permeability of tile roofing systems is a critical factor in determining the wind resistance of tile roofing as applied to a roof.

This standard describes a procedure for measuring the air permeability of clay and concrete tile and slate roof systems when applied to a small section of roof deck in accordance with the manufacturer’s instructions.


air permeability method; clay roof tile; concrete roof tile; critical upward pressure difference; uplift resistance; wind resistance