Thunderstorm Grey Stormfighter Flex Class 4 Shingle Bundle
- Mfg.#
- CLASS 4
- Sku#
- 3901469
- Deep blacks and dark greys blend together forming a stormy mix of dark and light. A dynamic choice for any roof that refuses to be ignored, Thunderstorm Grey is one of the most confident colors under the sky.
- Class 4 impact rating - which may qualify for homeowner insurance discounts (Insurance discounts may not be available in your area where available, insurance discounts may vary contact your insurance provider for information)
- Expanded nailing zone: clearly defined 1-1/2-inch
- Reinforced backing - polyester mat reinforcing the entire width of the shingle, including the nailing zone and the common bond
- Enhanced sealant: polymer-modified sealant specifically designed to be sticky, even in cooler weather
* Estimated stock levels as of Sun, Mar 15, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
The BEST all-weather performance shingle on the market, powered by TAMKO's proprietary ForceFX™ polymer technology. It qualifies as a UL2218 Class 4 impact rating shingle, engineered to resist and recover from impact. The unique poly?fabric layer anchors nails into the expanded 1-1/2-inch Rapid Fire Zone nailing zone for our fastest, easiest installation and the WindGUARD Warranty boasts a high wind warranty up to 160 mph with only 4 nails installed in the well-defined wide nailing zone, when installed in accordance with StormFighter IR's Application Instructions.
Nominal information shown within this product line.
Specifications
General
| Algae Resistance | 10-year algae cleaning limited warranty |
|---|---|
| Collection | Stormfighter Flex4 IR |
| Color | Thunderstorm Grey |
| Color Family | Black / Gray |
| Coverage | 30.76 sq ft |
| Exposure Size | 5.625 in |
| Fire Rating | Class A |
| Material | Asphalt |
| Shingles Per Bundle | 20 |
| Type | Architectural Shingle |
| Wind Rating | 160 mph |
Dimensions
| Length | 39.375 in |
|---|---|
| Size | 3.05 bundles cover 100 sq ft |
| Thickness | 3 in |
| Weight | 68 lbs per bundle |
| Width | 13.25 in |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | Limited Lifetime |
|---|---|
| Prop 65 Warning |
|
| Shop USA | Yes |
Label Information
| Certification, Codes, Standards | Class 4 (UL2218), Class A Fire (UL 790) |
|---|