Repair Glass Block Window Mortar

Sometimes an individual glass block cracks gets scratched or breaks.

Repair glass block window mortar.

Glass block installation video. Periodically applying a sealant to the mortar fills voids in the material to combat the mortar s porous nature. Please see our website www glassblocksdirect co uk where you can purchase glass blocks and fixing materials too. 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. This is the area where the blocks come together or even join to your foundation. 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 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.

Here is a list of what you will need to complete the project. When repairing glass block window mortar the first step is to try and clean up the actual joint. Over time the staining becomes unsightly and ruins the look of the glass block wall or window. This type of glass block window is held together with plastic spacers and a silicone based sealant.

Stains and mold are common on the porous mortar that holds glass blocks in place. 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. Use this quikrete 25 lb.

I have a 2 story glass block window. 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 consists of a uniformly blended mixture of white sand cement lime and chemical additives. If just one glass block in a window grouping is damaged it affects the look of the entire window.

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