Glass repair techniques can vary, but in general, proper repairs should not weaken the glass significantly if done correctly. Repairs typically involve filling in cracks or chips with a resin that bonds with the surrounding glass. When done properly, this restores some of the structural integrity lost due to damage. However, it’s essential to note that repaired glass may not be as strong as it was before the damage occurred. Factors such as the type and severity of damage, the quality of repair materials and techniques, and the skill of the technician can all influence the effectiveness and durability of the repair. Regular inspections may be necessary to ensure continued safety and integrity.