Assemble your own glass block windows at home. Eliminate the need to use mortar, no masonry experience required. Quicker and easier than ever before. This method requires less materials then the standard mortar installation.


Designed to create an “all glass” look and allow more light come through.


Installs horizontally between each course of Basic Line (metric) or Imperial 3″ glass blocks to create smaller, even joints when using a silicone installation method.


Available in two lengths: 31.5″ or 72″.


Not for use in constructing curved glass block walls.