Glass Block Mortar (White)

GLASS BLOCK MORTAR is a high-strength, polymer-modified, waterproof mortar designed for setting a variety of decorative glass block. After fully curing, Glass Block Mortar provides a flexible, mildew resistant, waterproof joint surface.

USES and ADVANTAGES
• High strength mortar used to set glass block.
• Polymer-modified.
• Easy to use…just add water.
• Easily spread.
• Uniform color, brilliant white.
• Water-tight joints.
• Mildew resistant.
• Interior or exterior use.

MIXING
In a clean container or mixer, add a 50 pound bag of Glass Block Mortar to approximately three quarts of water and mix to a stiff, lump-free consistency.
Since glass block have no absorption, add as little water as possible to obtain a consistency that is stiffer than an ordinary mortar mix. Allow mixture to soak for 5-10 minutes, remix then use. As with any Portland cement based material, mixing liquid should be kept to a minimum to avoid decreasing strength and adhesive properties.

APPLICATION
Set glass block in a full bed of Glass Block Mortar as per the glass block manufacture’s recommendations.
Joints may be tooled after initial set. Glass blocks may then be washed using a sponge and clean water to remove any excess mortar and film.

COVERAGE
A 50 lb bag of Glass Block Mortar will lay approximately:
6”x6” glass block………….…..36 pieces
8”x 8” glass block………..……32 pieces
12”x12” glass block……………18 pieces