For purposes of this standard prepared roof covering materials are considered to be small units sheets or panels.

Ul 2218 standard roofing material. Malarkey s hip ridge strips with flexor sbs polymer modified asphalt respond to. Spread of flame ul 790 burning brand testing ul 790 impact test ul 2218 intermittent flame testing ul 790 solar reflectance thermal emittance coating thickness astm c1549 and c1371 wind resistance astm d3161 wind uplift ul 1897 10x10 and 12x24 deck wind uplift ul 580. The ul 2218 classification set a standard for roof impact resistance whereby materials were rated on their resistance to impacts with steel balls simulating 90 mph hailstones of various sizes. If you live in a hail prone area consider impact resistant shingles which have a ul 2218 class 4 rating.

Ul 2218 standard for impact resistance of prepared roof covering materials. 800 527 2503 formed steel panels class 4. This test method provides impact resistance data for the evaluation of prepared steep slope roof covering materials. Impact resistance testing for the evaluation of low slope roofing systems are covered under ul 2218a impact resistance of roofing systems.

Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date. For purposes of this standard prepared roof covering materials are considered to be small units sheets or panels designed for installation with multiple layers of such materials installed in overlapping rows normally on inclines exceeding 25 percent. Aep span dallas tx phone. Impact resistant shingles may qualify for a discount on your homeowner s premium.

The industry guideline ul 2218 exists to test a metal panel s resistance to puncturing or failing when it comes into contact with items such as hail or other small debris. Ul 2218 2nd edition january 25 2010 ul standard for safety impact resistance of prepared roof covering materials. Metal roofing materials that meet the ul standard 2218 are eligible for a discount as of may 1 1998. Always verify that roofing material to be installed has been properly labeled as described under important notices.

They are listed separately.

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