Lay a glass block wall quickly and easily with these Pittsburgh Corning White Glass Block Mortar Spacers (48-Pack) for use with Premier or Thinline series blocks. The spacers help ensure consistent joint thicknesses.
- Facilitates glass block installation
- For use with the Premier series or Thinline series of glass block
- Helps provide a consistent mortar joint thickness
- Made in USA
- Includes 48 spacers