How To Repair A Glass Block Window

Mortar less glass block window.

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. 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. Never done this before so it s an experiment try at your own risk. Cover both sides of the glass block with duct tape leaving the grout line uncovered.

This type of glass block window is held together with plastic spacers and a silicone based sealant. 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. Removing a cracked glass block for replacement.

Over time the staining becomes unsightly and ruins the look of the glass block wall or window. However simple issues with mortar can be done easily and without causing damages to the glass. The following steps will teach you some basics on how to replace broken glass block window. These blocks are generally mortared into place and to get them out of their mounting will usually involve having to break them.

Periodically applying a sealant to the mortar fills voids in the material to combat the mortar s porous nature. Stains and mold are common on the porous mortar that holds glass blocks in place.