How To Repair A Glass Block Window

Sometimes an individual glass block cracks gets scratched or breaks.

How to repair a glass block window.

When doing glass block window repairs you ll want to keep in mind that blocks may have to be replaced during the process depending on the severity of the situation. These blocks are generally mortared into place and to get them out of their mounting will usually involve having to break them. Use proper eye face ear hand. Stains and mold are common on the porous mortar that holds glass blocks in place.

When it comes to glass block windows they are generally composed of a certain number of modular single blocks made out of glass that are set with mortar in the opening of a masonry or maybe a wood wall. Mortar less glass block window. This type of glass block window is held together with plastic spacers and a silicone based sealant. Over time the staining becomes unsightly and ruins the look of the glass block wall or window.

Periodically applying a sealant to the mortar fills voids in the material to combat the mortar s porous nature. However simple issues with mortar can be done easily and without causing damages to the glass. 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.

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. Never done this before so it s an experiment try at your own risk.