Impact Resistant Ul 2218 Standard Roofing Material

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.

Impact resistant ul 2218 standard roofing material. A class 4 rating is the toughest. Miami dade product control acceptance. As you contact various contractors or suppliers you should ask about roofing materials that meet ul standard 2218. 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.

A class 4 roof covering receives the highest premium credit. Mother nature in 1996 the institute of business and home safety ibhs and the underwriter s laboratory ul developed the ul 2218 classification a national standard for roof impact resistance by rating materials from class 1 through 4 based on their 3 resistance to the steel ball simulation test. The following is being proposed. Back in the mid 1990s after a series of catastrophic hail storms across the u s the roofing industry developed a test to evaluate their products resistance to impact.

Ul 2218 standard for impact resistance of prepared roof covering materials. Reaffirmation and continuance of the second edition of the standard for safety for impact resistance of prepared roof covering materials ul 2218 as an american national standard. Impact resistance testing for the evaluation of low slope roofing systems are covered under ul 2218a impact resistance of roofing systems. Ul certified to meet astm d3462.

Conforms to csa standard a123 5. Ul class a fire resistance. Ul class 1 2 3 and 4 tx only ul and fm class 3 and 4 all other states. 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.

Roof coverings that have passed the ul standard 2218 test are classified as either class 1 2 3 or 4. Approved laboratory roof class location. 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 stripsmeet the ul 2218 class 4 impact resistant standard the highest rating possible. Ul 2218 class 4 rating.

Roof coverings that have passed the ul standard 2218 test are classified by ul as either class 1 2 3 or 4. The list of approved laboratories is shown below.