POWERLITE®

Lightweight Aggregate for Concrete Blocks

PERFORMANCE

BUILDING MATERIALS

FROM

COAL COMBUSTION PRODUCTS

HEADWATERS RESOURCES

FOCUS ON QualityAnother Quality Headwaters Resources Product

As the nation’s largest marketer of coal combustion products, including fly ash and bottom ash,Headwaters Resources dedicates substantial research support to the development of new technologies and technology applications.

Operating coast to coast, Headwaters Resources employs teams of chemists, materials scientists andengineers. State-of-the-art in-house laboratories are used for materials testing and quality assurance.

Commitment to research spills over into a commitment to quality. Highly qualified quality assurancepersonnel work in every area of the company to ensure that customers receive the product to meettheir needs.

THE CONCRETE BLOCKPowerLite is a coal combustion product that is processed to obtain a high quality,environmentally friendly lightweight aggregate for the concrete block industry. On-siteHeadwaters Resources laboratories and independent agencies provide the testing to ensurePowerLite’s quality and consistency.

The use of PowerLite concrete blocks is a conscientious decision made by both theproducer and specifier. Powerlite helps ensure a sound block, a sound building, and a sound tomorrow.

– ASTM C 331 Approved

PowerLite is approved for fire-rated masonry. Available in three grades, this productexhibits superior flow characteristics, making it more economical to use than otheraggregates.

PowerLite meets or exceeds industry standards for quality, workability, consistency andeconomics.

Versa Lok Split Face Burnished Units

TYPICAL TEST RESULTS

Screens % Retained % Passing ASTM Requirements3/8 0 100 1004 0 100 85 – 1008 24 76 —16 23 53 40 - 8030 16 37 —50 11 26 10 - 35100 12 14 5 - 25Pan 14 — —

POWERLITE FINE FM = 2.90–3.10 Unit Wt. = 50–53 lbs (dry loose)

Screens % Retained % Passing ASTM Requirements3/8 0 100 90 – 1004 18 82 65 – 908 21 61 35 – 6516 17 44 —30 12 32 —50 10 22 10 - 25100 10 12 5 - 15Pan 12 — —

POWERLITE INTERMEDIATE FM = 3.40–3.60 Unit Wt. = 50–53 lbs (dry loose)

Screens % Retained % Passing ASTM Requirements3/8 2 98 80 – 1004 75 23 5 – 408 16 7 0 – 2016 4 3 0 – 1030 2 1 —50 1 1 —100 0 1 —Pan 0 — —

POWERLITE COARSE FM = 5.0–5.5 Unit Wt. = 52–55 lbs (dry loose)

Test Results ASTM RequirementsStaining (ASTM C 641) None (Index 0) Heavy Stain – Max. Chemicalresults of Fe2O3 = 1/5 mg. Max

Clay Lumps/Friables .14% 2% Max(ASTM C 142)

LOI (Loss on Ignition) 1.3% 12% Max(ASTM C 311 Referencing C 114)

COMPOSITE SAMPLE

A SOUND ENVIRONMENTAL RESOURCE

Powerlite is manufactured from bottom ash – a byproduct of burning coal in electricity generating power plants.

Concrete blocks manufactured using PowerLite qualify for consideration as recycled content materials ina variety of sustainable building programs. These include the U.S. Green Building Council’s LEED

program and various federal government procurement guidelines.

Formerly ISG Resources

CORPORATE OFFICES10701 S. River Front Parkway Suite 300South Jordan, Utah 84095-3627

PHONE 801.984.9400FAX 801.984.94101-888-236-6236

www.flyash.com