Repair Glass Block Window Mortar

This type of glass block window is held together with plastic spacers and a silicone based sealant.

Repair glass block window mortar.

Over time the staining becomes unsightly and ruins the look of the glass block wall or window. Sometimes an individual glass block cracks gets scratched or breaks. Cover both sides of the glass block with duct tape leaving the grout line uncovered. Any suggestions on how to repair the mortar and make it waterproof again.

Take a chisel and a rubber mallet to clear any broken or cracked mortar from the joints to prepare it for the needed repairs. Mortar less glass block window. Glass block mortar to achieve waterproof mortar joints that serve to complement your glass block wall with a decorative look suitable for both interior and exterior use. It can be used in both interior and exterior applications.

Periodically applying a sealant to the mortar fills voids in the material to combat the mortar s porous nature. Glass block mortar is a specially formulated product that is designed for glass block applications requiring white mortar joints. Use this quikrete 25 lb. High strength white mortar comprised of white portland cement selected aggregates and lime to achieve maximum strength installation instructions to read pdf files you need the adobe acrobat reader 6 0 or higher.

Glass block windows are composed of a number of single modular glass blocks set with mortar in the opening of a wood or masonry wall. I have a 2 story glass block window. Glass block mortar consists of a uniformly blended mixture of white sand cement lime and chemical additives. Here is a list of what you will need to complete the project.

This is the area where the blocks come together or even join to your foundation. If just one glass block in a window grouping is damaged it affects the look of the entire window. Glass block installation video. It has started to leak when the rain comes in from the side.

Glass block mortar can also be used in laying brick block and tile where white mortar is desired.