CeDUR Roofing Shakes

High Performance Simulated Wood Shakes


Timeless. Durable. Beautiful.

CeDUR is a high performance polyurethane roofing product, leading in simulated wood shake roofing products with a State-of-the-Art Polyurethane Technology that ensures long term durability superior value.  CeDUR is developed to withstand nature's harsh fire, hail, wind, and UV conditions while reflecting the enduring elegance of natural cedar shakes.

CeDUR has passed the roofing industries most difficult testing standards for wind, impact, and fire all while obtaining a Class A Fire Rating without the use of a special fire resistant underlayment.  Their proprietary technology allows them to incorporate a fire retardent into our product while maintaining its light weight composition at just 170 lbs./square.


Walden - Golden Cedar - Shiloh - Live Oak

Similar to natural wood, CeDUR implements a proprietary color system that is designed to weather a natural wood tone after the first 150 days of installation.  After the initial aging process the color will set and remain constant over the balance of the life of the product.

Producing their molds from natural cedar shakes, creates a variation in both the grain patterns and the overall appearance of the shakes.  Featuring 5", 7", and 12" shakes and a 3/4" butt, that gives a deeper shadow line making your roof virtually indistinguishable from natural cedar shakes.  This product produces a natural wood appearance and a unique variation of shakes in each individually packaged bundle.

Installing CeDUR shakes is simple, as it does not require any batten systems or special accessories.  Installation is exactly like a natural cedar wood shake job.  Their products feature color through pigmentation and no cavity back, which means you can cut through this product with a utility knife.  This reduces waste and offers superior aesthetic finishing roof valleys, rakes, hips, and eaves.  Any project is one installation away from high performance peace of mind for decades to come.


Class A Fire Rating, Class 4 Impact Rating, 115 mph Wind Speed Certified


  • 50 Year Limited Warranty

  • Virtually indistinguishable from natural cedar shakes

  • No splitting, rotting, or risk of fire

  • Molded from natural cedar shakes with 5", 7", and 12" shakes and a 3/4" butt


  • Competitively priced

  • Low maintenance costs

  • Long term value benefits

  • Improves roof insulation value

  • Listed on American Family Insurance and State Farm's premium credits product listing

Easily Installed

  • No special tools, hardware, or accessories are required

  • Can be cut, nailed, and screwed

  • Can be installed directly on a deck - no battens required

  • Solid product with Color Through Pigmentation means superior finishes at hips, valleys, eaves, etc.

What is a Class A Fire Rating and what is the best rating?

Fire Ratings (UL 790 testing protocol) are granted at one of three levels: Class A, Class B, and Class C.  Class A is the highest rating a product can receive.  The Class A rating indicates the product has equaled the testing industry's most stringent fire resistance standard, a measure of how the roof will perform in severe fire conditions.  CeDUR boasts a Class A Fire Rating without the need of a special fire resistant underlayment.

What is the Underwriters Laboratories, Inc (UL) 2218 impact test and how do CeDUR shakes rate?

There are four impact resistance rating from 1 to 4, with 4 being the most impact resistant.  In the Class 4 test, a 2" steel ball is dropped from a height of 20 feet on multiple surface points of a CeDUR shake.  CeDUR passed the test with a Class 4 Impact Rating.

How does CeDUR perform in high wind areas?

CeDUR is certified to a wind speed of 115 mph (3 second gust) with a mean roof height no greater than 40 feet.  Above 115 mph wind resistance installations are considered "High Wind" and CeDUR should be consulted for proper design.  CeDUR is warrantied from wind speeds up to 90 mph.

How long has CeDUR shake been on the market?

For more than 15 years CeDUR has proven itself a premiere roofing material in one of nature's toughest testing grounds - the Western United States - where hail, wind, rain, fire, and snow conspire against all things man-made.