How To: Fix A Crack In Plexiglass Exclusive

: If the crack goes all the way through, place clear packing tape on the back side to prevent the adhesive from leaking out. YouTube +2 3. Apply Adhesive Standard household glues often fail on Plexiglass. Use specialized acrylic cements that "solvent weld" the plastic back together. YouTube 11 sites Repairing a Crack in Plexiglass Mar 18, 2009 —