OWENS CORNING PRODUCTS RATED FOR 
IMPACT RESISTANCE

Products Rated Class 3:

All products listed below, for all locations where they are produced, have successfully passed testing to be considered both UL 2218 and FM 4473 Class 3 rated for Impact Resistance.

Additionally, the following products have been tested to be considered UL 2218 Class 3 Impact Resistance Rated.

Products Rated Class 4:

The following products have been tested to be considered both with UL 22218 and FM 4473 Class 4 Impact Resistance Rated.

Additionally, the following products have been tested to be considered UL 2218 Class 4 Impact Resistance Rated.

This applies to all the products listed above currently in production, for products sold both in the United States and Canada.

All other Owens Corning® shingles not mentioned above do not currently carry a rating for impact resistance.

Shingle Identification

To identify if your shingle is considered rated for impact resistance – please reference the product name on the packaging and/or use the information below. Only the products described below currently carry a rating for impact resistance. This page applies only to Owens Corning manufactured shingle products.

Class 3 Rated Shingles

Duration® Series Shingles

All Duration shingles are designed with SureNail® Technology, the unique fabric strip in the nailing area. If the shingle has the SureNail® Technology on the front and does not have WeatherGuard® Technology or a TruDefinition® Duration FLEX® label on the release tape it should be considered rated UL 2218 and FM 4473 class 3 for impact resistance6.

Close up of SureNail® fabric strip on Duration Series Shingle from Owens Corning

SURENAIL® Technology

Class 4 Rated Shingles

TruDefinition® Duration STORM®

Unlike standard shingles, Duration STORM® features patented WeatherGuard® Technology on the back of each shingle. Integrated polymeric backing material allows the shingles to meet some of the industry’s highest standards — UL 2218 and FM 4473 Class 45.

If you see the WeatherGuard® Technology on the back of the shingle, paired with the SureNail® tape on the front the shingle is Duration STORM®

Close up of SureNail® fabric strip and backing material on Duration STORM Shingle from Owens Corning

SURENAIL® Technology  | WeatherGuard®  Technology

TruDefinition® Duration FLEX®

Unlike standard shingles, TruDefinition® Duration FLEX® shingles are made with a proprietary blend of SBS polymer modified asphalt. The rubberizing effect of the uniquely blended SBS modified asphalt makes the shingle pliable and gives them greater flexibility and enhanced durability and toughness, especially under intense storm conditions. With Duration FLEX®, you are getting a shingle that has the highest impact rating possible: UL 2218 and FM 4473 Class 45.

Duration FLEX® shingles have SureNail® Technology on the front of the shingle and the release tape on the back of the shingle should also be printed with the Duration FLEX® name.

Close up of SureNail® fabric strip and backing material on Duration FLEX Shingle from Owens Corning

SURENAIL® Technology | SBS Technology

Woodcrest® and Woodmoor®

Woodcrest® and Woodmoor® shingles offer a Timeless Design Inspired by Nature for truly engineered elegance. Seamlessly blending rustic style with technical excellence, these shingles are thoughtfully crafted to capture the charm of wood shake while guarding against the elements. Woodcrest® and Woodmoor® are rated Class 4 Impact Resistant4 – UL 2218.

Close up of Woodcrest Shingle

Hip & Ridge Shingles

ProEdge® Hip & Ridge Shingles

A protective finishing touch, ProEdge® Hip & Ridge Shingles are designed to shield your home while enhancing its curb appeal with a pronounced shadow line and well defined ridge. This product should be considered rated rated UL 2218 and FM 4473 class 3 for Impact Resistance7.

Close up of ProEdge® Hip & Ridge Shingle from Owens Corning

ImpactRidge® Hip & Ridge Shingles


Designed to work with TruDefinition® Duration FLEX® and Duration STORM® Shingles to complete a Class 4 Impact Resistant Roofing System5, ImpactRidge® Hip & Ridge are made with a proprietary blend of SBS polymer modified asphalt and gives them greater flexibility than standard shingles.

To identify ImapctRidge® Hip & Ridge shingles, look for the release tape on the back of the shingle, which should also be printed with the product name.

Close up of ImpactRidge® Hip & Ridge Shingle and backing material from Owens Corning

Starter Shingles

WoodStart®

Designed for use with Owens Corning® Woodcrest® and Woodmoor® shingles, the WoodStart® Starter Strip Shingle features a unique construction that enables fast, straightforward installation. Its wide nailing area and pre‑laminated, two‑ply design help streamline application while supporting overall roof integrity. WoodStart® Starter Strip Shingle is also rated Class 4 Impact Resistant4 – UL 2218.

Close up of ProEdge® Hip & Ridge Shingle from Owens Corning
4 Woodcrest®, Woodmoor®, and WoodStart® are tested in a laboratory setting and classified as a UL 2218 Class 4 Impact-Resistant shingle. The results of this test do not guarantee that the shingle will resist all weather conditions.Hail damage is specifically excluded from coverage under the terms of its warranty.

5 Duration STORM®, Duration FLEX®, and ImpactRidge® are tested in a laboratory setting and classified as a UL 2218 and FM 4473 Class 4 Impact-Resistant shingle. The results of this test do not guarantee that the shingle will resist all weather conditions. Hail damage is specifically excluded from coverage under the terms of its warranty.

6 Duration® Series Shingles are tested in a laboratory setting and classified as a UL 2218 and FM 4473 Class 3 Impact-Resistant shingle. The results of this test do not guarantee that the shingle will resist all weather conditions. Hail damage is specifically excluded from coverage under the terms of its warranty.

7 ProEdge® is tested in a laboratory setting and classified as a UL 2218 and FM 4473 Class 3 Impact-Resistant shingle. The results of this test do not guarantee that the shingle will resist all weather conditions. Hail damage is specifically excluded from coverage under the terms of its warranty