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PRI Impact Rated Products
ASTM WK78591 / IBHS

This test standard provides a procedure to evaluate the impact resistance of construction roof assemblies of asphalt shingles. The purpose of this standard is to determine relative performance among asphalt shingles, and their potential performance when exposed to natural hailstones. 

FM 4473

A test standard which evaluates the impact resistance performance property of new roof covering materials. Freezer ice balls are propelled at constructed roof assembly specimens to simulate the effects of natural hailstones. The impacts are evaluated and compared to minimum requirements for the purpose of determining a classification of Class 1, Class 2, Class 3, or Class 4.

UL 2218

A test standard which evaluates the impact resistance performance property of new roof covering materials. Steel balls are dropped from the specified heights at constructed roof assemblies. The impacted locations are evaluated to determine a roof covering material's resistance to specified impact energies. The impacts are evaluated and compared to minimum requirements for the purpose of determining a classification of Class 1, Class 2, Class 3, or Class 4.

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ASTM WK78591  / IBHS
LISTEE PRODUCT CATEGORY SUBCATEGORY IMPACT RATING EVIDENCE SUBMITTED
Owens Corning TruDefinition Duration FLEX: Denver, CO Roofing Material Asphalt Shingle Class 2.0 - Good Performance (0.32) Last Tested June 2022
Owens Corning TruDefinition Duration FLEX: Summit, IL Roofing Material Asphalt Shingle Class 2.0 - Good Performance (0.36) Last Tested June 2022
FM 4473
LISTEE PRODUCT CATEGORY SUBCATEGORY IMPACT RATING EVIDENCE SUBMITTED
Eagle Roofing Products Bel Air: Sumterville, FL Roofing Material Clay or Concrete Tile Class 4 PRI Certified Product
Eagle Roofing Products Capistrano: Sumterville, FL Roofing Material Clay or Concrete Tile Class 4 PRI Certified Product
Eagle Roofing Products Malibu: Sumterville, FL Roofing Material Clay or Concrete Tile Class 4 PRI Certified Product
IKO Armourshake: Sumas, WA Roofing Material Asphalt Shingle Class 4 PRI Certified Product
IKO CRC Regency: Calgary, AB; Hawkesbury, ON; Sylacauga, AL; Hillsboro, TX Roofing Material Asphalt Shingle Class 3 PRI Certified Product
IKO Crown Slate: Toronto, ON Roofing Material Asphalt Shingle Class 4 PRI Certified Product
IKO Dynasty: Calgary, AB; Hawkesbury, ON; Sylacauga, AL; Hillsboro, TX Roofing Material Asphalt Shingle Class 3 PRI Certified Product
IKO Dynasty: Kankakee, IL Roofing Material Asphalt Shingle Class 3 PRI Certified Product
IKO Hip & Ridge 12: Calgary, AB; Hawkesbury, ON; Roofing Material Asphalt Shingle Class 3 PRI Certified Product
IKO Hip & Ridge 12: Toronto, ON Roofing Material Asphalt Shingle Class 3 PRI Certified Product
IKO Nordic: Kankakee, IL; Hillsboro, TX Roofing Material Asphalt Shingle Class 4 PRI Certified Product
IKO Royal Estate: Toronto, ON Roofing Material Asphalt Shingle Class 3 PRI Certified Product
Owens Corning TruDefinition Duration FLEX: Summit, IL; Denver, CO Roofing Material Asphalt Shingle Class 4 PRI Certified Product
UL 2218
LISTEE PRODUCT CATEGORY SUBCATEGORY IMPACT RATING EVIDENCE SUBMITTED
CertainTeed Architect 80; Portland, OR Roofing Material Asphalt Shingle Class 3 PRI Certified Product
CertainTeed Belmont IR; Oxford, NC Roofing Material Asphalt Shingle Class 4 PRI Certified Product
CertainTeed Cedar Crest IR; Oxford, NC Roofing Material Asphalt Shingle Class 4 PRI Certified Product
CertainTeed LandMark ClimateFLEX; Shakopee, MN Roofing Material Asphalt Shingle Class 4 PRI Certified Product
CertainTeed LandMark Pro; Avery, OH; Jonesburg, MO, Shakopee, MN; Willington, CA; Peachtree City, GA; Norwood, MA; Oxford, NC; Portland, OR Roofing Material Asphalt Shingle Class 3 PRI Certified Product
CertainTeed Mountain Ridge; Freemont, CA Roofing Material Asphalt Shingle Class 4 PRI Certified Product
CertainTeed Northgate ClimateFlex; Shakopee, MN Roofing Material Asphalt Shingle Class 4 PRI Certified Product
CertainTeed Presidential Shake IR; Shakopee,MN Roofing Material Asphalt Shingle Class 4 PRI Certified Product
CertainTeed Presidential Starter IR; Portland, OR Roofing Material Asphalt Shingle Class 4 PRI Certified Product
CertainTeed Shadow Ridge ClimateFlex; Shakopee, MN Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning Impact Ridge (Canada): Denver, CO; Summit, IL Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning ImpactRidge: Denver, CO; Summit, IL Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning ProEdge FLEX: Denver, CO; Summit, IL Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning ProEdge STORM: Denver, CO Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning TruDefiniation WeatherGuard HP: Memphis, TN Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning TruDefinition Duration FLEX (Canada): Denver, CO; Summit, IL Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning TruDefinition Duration FLEX: Denver, CO; Summit, IL Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning TruDefinition Duration STORM: Denver, CO Roofing Material Asphalt Shingle Class 4 PRI Certified Product
Owens Corning WeatherGuard HP Hip & Ridge: Memphis, TN Roofing Material Asphalt Shingle Class 4 PRI Certified Product