GL 520

Polymer-modified adhesive for glass blocks

Polymer-modified cementitious adhesive for building and jointing glass blocks, enhanced with polymer resins with hydrophobic technology for greater protection of the joint.
It exhibits strong adhesive strength and resistance to abrasion and moisture.
Classified as Μ20-A1 type mortar according to European standard EN 998-2.


For building and jointing glass blocks.
Applied with trowel as usual.
Suitable for indoor and outdoor areas.


Approximately 15 kg/m2 masonry with glass blocks of usual dimensions.


Available in:

  • 5kg plastic bags
  • 25kg paper bags

Shelf life: At least 12 months from production date in sealed bags, protected from moisture and direct sun exposure.