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Architectural Products - Fiberglass Columns, Balusters, Ceiling Domes and Medallions, Polyurethane Crown Moulding

Materials

First Class-Stone

FRP

GFRC

GRG Polyurethane

Glassfiber Reinforced Gypsum (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.

It can be cast into a multitude of finishes, textures and shapes. It is our least expensive material, but is only suitable for interior applications. Typical applications are architectural columns, ceiling domes, decorative moldings, ceiling panels, beams and rafter tails.

Glassfiber Reinforced Gypsum (GRG) Uses: Interior

Pilasters, ceiling domes, light coves, columns, capital, niches, beams, rafter tails and decorative molding


Building Projects Photo Gallery:

 

GRG Molding, Ceiling Domes With Recessed Lighing
St. Regis Hotel & Resort Project

GFRC SPECIFICATION

GRG Specification


GLASSFIBER REINFORCED GYPSUM (GRG) SPECIFICATION

PART 1- GENERAL

1.01      SUMMARY

A.    Related sections:

1.     Division 5, Metal Stud Framing

2.     Division 7, Sealants

3.     Division 9, Drywall

4.     Division 9, Painting

1.02      REFERENCES

A.    Standards of the following as referenced:

1.     American Society for Testing and Materials (ASTM)

1.03      DEFINITIONS

A.    Terms:

1.     GRG – Glass-Fiber Reinforced Gypsum

1.04      SUBMITTALS

A.    Product Data:

1.     Manufacturer’s literature

2.     Material Safety Data Sheets for raw materials used to produce GRG

B.    Shop drawings:

1.     Detailing GRG members; include locations, sizes and shapes of members, proposed jointing arrangements, details of attachments, suspension systems, and items pertinent to the GRG members.

2.     Where applicable, show reflected ceiling plan.

3.     Include plans at not less than ” = 1’-0”, details at not less than 3” = 1’-0” scale

4.     Include manufacturer’s recommendations for storage, handling, installation, and patching/finishing of GRG members.

C.    Samples:

1.     6” x 6” flat samples depicting material thickness and surface finish to be supplied.

D.    Quality control submittals:

1.     Test reports:

a.      Test data from an approved independent testing laboratory establishing compliance with specification requirements.

b.     Tests to be performed by an independent testing agency employed by the manufacturer of the finished product under his own trade name.  Include the following:

1)     Flexural strength

2)     Impact resistance

3)     Hardness

4)     Coefficient of linear thermal expansion

5)     Humidified deflection

6)     Flammability

7)     Compressive strength

8)     Density

2.     Certificates:

a.      Manufacturer’s certification that all GRG pieces contain at least 5% by weight of glass fiber reinforcement.

1.05      QUALITY ASSURANCE

A.    Manufacturer’s Qualifications:

1.     Obtain GRG from a manufacturer who will, upon request, send a qualified technical representative to the project site for the purpose of advising the installer of procedures and precautions for materials used.

2.     Obtain GRG from a manufacturer who will certify the materials have been tested and proven satisfactory for the intended use.

3.     Obtain GRG from a manufacturer with five years verifiable and successful experience producing material for projects of similar size and scope.

4.     GRG must be manufactured in the United States.

B.    Installer’s Qualifications:

1.     Firm must provide evidence of three years verifiable evidence installing the specified work.

2.     Installer must be acceptable to the manufacturer.

1.06      DELIVERY, STORAGE AND HANDLING

A.    Deliver GRG members in packaging/crating required to minimize damage in transit.

B.    Upon receipt of each GRG shipment, unpack a random sampling of each profile to verify GRG’s compliance with FABRICATION Article.  Repackage the material and do not unpack until immediately prior to installation.

C.    Store per the manufacturer’s written instruction.

1.07      SEQUENCING AND SCHEDULING

A.    Coordinate the delivery and installation of GRG members with work specified in other sections.

B.    Do not proceed with the installation of GRG members until conditions are acceptable.

1.08      WARRANTY

A.    The GRG manufacturer and installing contractor shall jointly warrant the GRG members to be free from defects in materials and workmanship for one year from the date of installation.

B.    The warranty shall be based on installation methods in accordance with the manufacturer’s recommendations and instructions.

 

PART 2- PRODUCTS

2.01     MANUFACTURERS

A.    Acceptable manufacturer:

First Class Building Products, Inc.

3600 Dallas Highway Suite 230-387

Marietta, GA 30064 (770-514-8141)

B.    Any other manufacturer seeking approval must submit acceptable test data, product literature, samples, and certificates (per section 1.04) at least 14 days prior to the originally scheduled bid date.

C.    Characteristic

1.     Flexural Strength

ASTM test method C947

Flexural yield                                                -1532 psi, minimum

Flexural ultimate                                           -5716 psi, minimum

2.     Impact Resistance

ASTM test method D256, Method E (Izod reverse notch method)

4.52 in-lbs/in, minimum

3.     Hardness

ASTM test method D2240

Minimum Hardness, Shore “D” 84

4.     Coefficient of Linear Thermal Expansion

ASTM test method D696

0.0000108 in/in degrees Farenheit, maximum

5.     Humidified Deflection

ASTM test method C473

”, maximum

6.     Compressive Strength

ASTM test method C109

5620 psi, minimum

7.     Density

95 pcf neat, minimum 

8.     Flammability

ASTM test method E136-94a

Passes

2.02     ACCESSORIES

A.    Fasteners, embeds, and framing as detailed in the approved shop drawings.

B.    Fasteners to be non-corrosive, non-bleeding.

C.    Adhesive to be silicone based.

2.03     FABRICATION

A.    Fabricate GRG members to profiles, shapes, and configurations detailed on approved shop drawings using manufacturer’s standard processes.

B.    Tolerances as stated on manufacturer’s approved shop drawings.

C.    Finished surfaces to have a smooth finish suitable for priming

 

PART 3- EXECUTION

3.01     INSTALLATION, JOINT FINISHING AND PRIMING

 

A.    Install fabrications in accordance with manufacturer’s instructions and approved shop drawings.

 

B.    Additional installation services:

Manufacturer has approved, experienced turn-key installation services available for First Class-Stone™ through our third party network of installers.

 

Installer must have a minimum of 10 years of experience installing architectural exterior products with a proven track record of success and references for installing projects with similar scope and materials. 

 

C.    The installer will contract with the owner and/or contractor directly. 

 

D.    Installation services may not be available in all areas.  Please consult with First Class Building Products regarding this value added service.

 

E.     A second option for installation assistance is available through our architectural consulting service.

 

F.     Installation consultants must have a minimum of 10 years experience installing architectural exterior products with a proven track record of success and references for installing projects with similar scope and materials.  Scale and scope of installation consulting services will be determined between the project owner and/or contractor and the consultant directly.

 

G.    Comply with the manufacturer’s written storage, handling, installation, and patching/finishing instructions as well as the approved shop drawings.

H.    Finish the indicated joints at piece intersections such that joints are neither visible nor perceptible.

I.       Priming

1.     All GRG material should be primed with a primer recommended for gypsum board or gypsum plaster.

2.     More than one coat of primer may be required.

3.     Sanding after each coat of primer may be required.

4.     If the GRG material is to be installed in an area subject to “critical lighting”, the entire surface of the material may need to be skim coated.

5.     If the GRG material is to receive a semi-gloss paint, the entire surface of the material may need to be skim coated.

 END OF SECTION

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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

 

 

 


 

FIRST CLASS BUILDING PRODUCTS, INC.
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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