GBI offers the only American Made Glass Block that is ISO 9001:2000 certified. Pittsburg corning offers a comprehensize variety of styles, patterns, and sizes seen in many of Americas biggest projects. 
*Pictures of Blocks Below Chart
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Patterns & Shapes	3 3/4 x 7 3/4	5 3/4 x 5 3/4	5 3/4 x 7 3/4	7 3/4 x 7 3/4	11 3/4 x 11 3/4
ARGUS (3 7/8) THICK		X		X	X
ARGUS PARALLEL FLUTED (3 7/8) THICK				X
DECORA	X	X	X	X	X
DECORA LX FILTER (3 7/8) THICK		X		X	X
ESSEX AA (3 7/8) THICK				X
ICE SCAPES ( 3 7/8) THICK	X		X	X
SPYRA (3 7/8) THICK				X
VUE (3 7/8) THICK	X	X	X	X	X
THICKSET 60 BLOCK DECORA & VUE (3 7/8) THICK				X
DECORA & ICESCAPES *ARQUE BLOCK UNIT  (3 7/8) THICK			X
DECORA & ICE SCAPES *ENDCURVE FINISHING UNIT  (3 7/8) THICK				X
DECORA & ICE SCAPES * ENDBLOCK FINISHING UNIT  (3 7/8) THICK			X	X
DECORA & ICESCAPES * HENDRON CORNER BLOCK (3 7/8) THICK				X
DECORA & ICESCAPES * TRIDON 45 DEGREE BOCK UNIT (3 7/8) THICK	8" HIGH
DECORA (3 1/8) THICK	X	X	X	X
DELPHI (3 1/8) THICK	X	X	X	X
ICESCAPES (3 1/8) THICK		X	X	X
DECORA * END BLOCK FINISH UNIT (3 1/8) THICK	X

            ARQUS                                            ARQUS PARALLEL FLUTTED                              DECORA
                                                                                    
       
       
    DECORA PATTERN LX FILTER                         ESSEX AA                                                  ICESCAPES
                                                                                


                SPYRA                                                            VUE                                                      THICKSET
                                                                               


                ARQUE                                                        ENDCURVE                                                ENDBLOCK
                                                                                    


           HENDRON                                                           TRIDON                                                   DELPHI
                                                                                   

                                                                                                           Available in Clear or Wavy Pattern
                                                                                                                     7 3/4 x 7 3/4 x 3 1/2
                                                                                                        Features a metal oxide coating on the
                                                                                                      inside surface of the block which greatly
                                                                                                       reflects solar energy while reducing the
                                                                                                                    passage of sunlight.