Repairing Concrete Window Sills Exterior -

Mix your polymer-modified repair mortar according to the package directions. It should have the consistency of peanut butter—thick enough to stay on your trowel but pliable enough to work.

Signals trapped moisture or mold growth. Step-by-Step Repair Process 1. Surface Preparation repairing concrete window sills exterior

Repair is wonderful, but it has limits. You need a full replacement if: Mix your polymer-modified repair mortar according to the