Repair Glass Block Window Mortar

It has started to leak when the rain comes in from the side.

Repair glass block window mortar. 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. If just one glass block in a window grouping is damaged it affects the look of the entire window. Cover both sides of the glass block with duct tape leaving the grout line uncovered.

Use this quikrete 25 lb. This type of glass block window is held together with plastic spacers and a silicone based sealant. Glass block installation video. 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.

Glass block mortar can also be used in laying brick block and tile where white mortar is desired. Please see our website www glassblocksdirect co uk where you can purchase glass blocks and fixing materials too. I have a 2 story glass block window. 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. This is the area where the blocks come together or even join to your foundation. When repairing glass block window mortar the first step is to try and clean up the actual joint. 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.

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. Stains and mold are common on the porous mortar that holds glass blocks in place. Glass block mortar consists of a uniformly blended mixture of white sand cement lime and chemical additives. Mortar less glass block window.

Here is a list of what you will need to complete the project.