This test method provides impact resistance data for the evaluation of prepared steep slope roof covering materials.

Ul 2218 standard roofing material. 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. Ul 2218 class 4 impact resistant hip and ridge shingles march 18 2015 results of recent testing have shown malarkey roofing products 10 225 and 12 227 hip ridge strips meet the ul 2218 class 4 impact resistant standard the highest rating possible. Always verify that roofing material to be installed has been properly labeled as described under important notices. 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.

800 527 2503 formed steel panels class 4. January 25 2010 ansi approved. Metal roofing materials that meet the ul standard 2218 are eligible for a discount as of may 1 1998. Ul 2218 2nd edition january 25 2010 ul standard for safety impact resistance of prepared roof covering materials.

The test evaluates the effect of impact from the steel ball at locations on the assembly selected to be most vulnerable such as but not limited to edges corners unsupported sections and joints. Impact resistance testing for the evaluation of low slope roofing systems are covered under ul 2218a impact resistance of roofing systems. For purposes of this standard prepared roof covering materials are considered to be small units sheets or panels. Malarkey s hip ridge strips with flexor sbs polymer modified asphalt respond to.

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. Aep span dallas tx phone. They are listed separately. If you live in a hail prone area consider impact resistant shingles which have a ul 2218 class 4 rating.

Ul standard ul 2218 edition 2 impact resistance of prepared roof covering materials edition date.

• S Daniel Abraham Pics