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Gypsum Custom Ceiling Domes (GRG)

GRG is a non-combustible material with a zero flame/zero smoke rating, designed for interior applications. Glass reinforced gypsum is similar to old world plaster, but with a much stronger physical properties.

A custom gypsum ceiling dome will add drama to your interior design and will become the focal point of your room.  Add a touch of class to any room in your home or office with a First Class Ceiling Dome.

GRG Domes Specifications
GRG Dome R.C.P.

GRG Dome Edge
GRG Dome Cap 
GRG Light Shelf Geometry

GRG Light Shelf
GRG Hanger Wire
GRG Ceiling Design
St. Regis Resort Project

Call 888-514-8141 or Email Us Details

Specifications - Glass Reinforced Gypsum (GRG):
Barcol Hardness ASTM-D-2583  105
Compression ASTM-C-39 (Pounds Per Square Inch): 5,800
Coefficient of Thermal Expansion (Degrees Fahrenheit): 5.4 x 106
Density ASTM-D-792 (Pounds Per Cubic Foot): 110.00
Flammability ASTM-E-84:
     Flame Spread: 0
     Smoke Develop: 0
Flexural Strength ASTM-D-790 (Pounds Per Square Inch): 4,192
Impact Strength ASTM-D-256  12.90 
Tensile Strength ASTM-D-638 (Pounds Per Square Inch): 1,340
Unit Weight (Pounds Per Square Foot (@1/2")): 2


A dome invokes memories of Greek style mansions and classic style Georgian homes for the modern home owner; anyone who enters a room with a ceiling dome will take note.

Whether you are building a new home or restoring an old house with new look and feel a Ceiling dome should be of the same architectural style as the rest of the house. Look for a dome that has detail work comparable to detail work already established in the house.

Another important consideration in determining what kind of material to use for a dome is weight.

First Class ceiling dome building materials include Fiberglass (FRP)glassfibre reinforced gypsum (GFRG) and Polyurethane.

Creating the perfect room setting involves a special detail...

An architectural ceiling dome adds that detail with a unique look and style today's discerning home and business owner is looking for. 

Add charm and drama to your room with lighting.  Combine a recessed lighting cove with your dome for a decorative element for accent or task lighting. 

Create the ultimate lighting effect with an Eternity Series fiber optic ceiling dome


Please contact our Customer Service Representative for more information on GRG building materials and help quoting your next building project.  Call 888-514-8141 or Email Us







 3600 Dallas Highway Ste 230-387

Marietta, Georgia  30064  (USA)

Tel: 770.514.8141     Fax:  770.514.0731   

Toll Free:   888.514.8141


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