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Why Glass Fiber Reinforced Gypsum (GFRG or GRG)?

Gypsum is a natural mineral mined throughout the world. Our specially-formulated Glass Fiber Reinforced Gypsum (GFRG) is comprised of a mixture of raw gypsum and cement, laminated to layers of long strand, continuous glass fiber matting.

GFRG offers the following unique pricing, aesthetic, health, and safety advantages:

  • A fraction of the cost of other materials.

  • Stunning finish options, including limestone, metallic, marble, and alabaster. It can even be finished with water- or oil-based paints, stain, and gold-leaf.

  • 100% FIREPROOF and noncombustible (unlike polyurethane and wood products), non-toxic, non-allergenic, and environmentally-friendly, making it ideal for fireplaces, range hoods, and mantles.

  • Paint-grade finish (i.e. ready to lightly sand, and apply primer and finish coats)

  • Increased design versatility over wood.

  • Superior strength and durability (tensile, yield, flexural).

  • Crack and shrink resistant (unlike solid and pre-cast stone or wood products).

  • Lightweight, requiring little or no additional structural support.

  • Easy installation and repair, including little preparation prior to final finish.

In addition to GFRG, we produce molds of other materials, depending upon your particular needs.

 

GFRG Fireplace Mantel Survives Accident: 9 Hours of Intense, Unventilated Gas Heat

One of our customers along the Wasatch Front in Utah recently had an accident.  Their gas-burning firebox was turned on at full power, BUT THE VENTILATION FAN WAS LEFT OFF.  Workers returned to the scene approximately 9 HOURS LATER.

Had their fireplace mantel been constructed of wood, urethane, or similar materials, the mantel and surrounding area would have certainly caught fire, and the home might have burned to the ground.

The heat was so intense, the stainless steel on the firebox was tarnished, and it is frankly a wonder that the surrounding internal wood framing and drywall did not ignite.

When workers touched our mantel, however, though it was very hot, the only damage was a small 3" long surface crack and some minor surface discoloring.  Our installers returned to the job site and were able to repair the mantel in just a few minutes.

 

E-mail us for a free estimate

or call 1.800.414.8349 (toll free).

 

 

 

 


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RWM Inc.
155 N. 500 W.
Salt Lake City,
Utah 84116

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