How to: Build a Glass Block Wall
For a striking addition to a room use glass block. Here's what you need to know and the step-by-step directions of how to build a wall with glass block.
Glass block kit
Mortar or plaster mix
Drill and bits
Before You Begin
These are general instructions to install a glass block shower door. The process is similar for any type of glass block wall.
Follow the instructions to lay out the blocks and become familiar with the materials in the kit and how they're used.
How To: Step by Step
Step 1: Begin with the first layer
While the primer is still sticky, apply a bed of glass-block mortar to the curb with a small trowel. The metal panel anchors hold the glass block to the wall and floor.
Step 2: Install the expansion strip and blocks
Place the foam expansion strip between the first block and the shower wall. Then put the smaller block against the shower wall and use the trowel handle to tap it down into the mortar. Next to the block against the wall begin laying the larger blocks, placing the panel anchors between the vertical mortar joints. This combination of blocks gives the proper spacing so the end of the wall aligns wit the end of the curb molded in the shower pan. Check that each block is plumb with the level. Use spacers between the blocks to ensure consistent, evenly spaced mortar joints.
Step 3: For a curved section use reinforcing
Install reinforcing in the last vertical joint of a straight section just before starting a curved section. Form the curved section of the shower by laying four consecutive curved glass blocks using spacers. For a finished look put an end block which has a rounded corner at the end of the walls.
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