Repair Glass Block Window Mortar

Over time the staining becomes unsightly and ruins the look of the glass block wall or window.

Repair glass block window mortar.

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 is a specially formulated product that is designed for glass block applications requiring white mortar joints. When repairing glass block window mortar the first step is to try and clean up the actual joint.

Take a chisel and a rubber mallet to clear any broken or cracked mortar from the joints to prepare it for the needed repairs. I have a 2 story glass block window. Glass block mortar can also be used in laying brick block and tile where white mortar is desired. It has started to leak when the rain comes in from the side.

Glass block mortar consists of a uniformly blended mixture of white sand cement lime and chemical additives. 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. Glass block installation video. Please see our website www glassblocksdirect co uk where you can purchase glass blocks and fixing materials too.

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. 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. 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.

Use this quikrete 25 lb. Periodically applying a sealant to the mortar fills voids in the material to combat the mortar s porous nature. This type of glass block window is held together with plastic spacers and a silicone based sealant. Any suggestions on how to repair the mortar and make it waterproof again.

Stains and mold are common on the porous mortar that holds glass blocks in place.