How do you remove dried mortar from glass blocks?
How do you remove dried mortar from glass blocks? Keep spraying the soapy water to saturate the cement. The porous nature of the cement absorbs to soapy water, making it easier to remove. After saturating the cement for a few minutes, use a plastic putty knife to scrape it from the glass. Rinse the glass with your hose, and sponge away any remaining residue.