Repair Glass Block Window Mortar

Glass block installation video.

Repair glass block window mortar.

Any suggestions on how to repair the mortar and make it waterproof again. 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. Please see our website www glassblocksdirect co uk where you can purchase glass blocks and fixing materials too.

Glass block mortar is a specially formulated product that is designed for glass block applications requiring white mortar joints. Use this quikrete 25 lb. Sometimes an individual glass block cracks gets scratched or breaks. This type of glass block window is held together with plastic spacers and a silicone based sealant.

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. Cover both sides of the glass block with duct tape leaving the grout line uncovered. Here is a list of what you will need to complete the project. It has started to leak when the rain comes in from the side.

Over time the staining becomes unsightly and ruins the look of the glass block wall or window. This is the area where the blocks come together or even join to your foundation. Periodically applying a sealant to the mortar fills voids in the material to combat the mortar s porous nature. 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.

Take a chisel and a rubber mallet to clear any broken or cracked mortar from the joints to prepare it for the needed repairs. Stains and mold are common on the porous mortar that holds glass blocks in place. If just one glass block in a window grouping is damaged it affects the look of the entire window. Mortar less glass block window.

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