Wikipedia Plasterwork

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Saturday, August 23, 2008

Grout at a Ceiling Edge

This is a common situation with plaster crack repair. A 1/4" drywall covering of ruined ceiling plaster was dressed at edges with paper tape. The walls were good enough, where several layers of wallpaper concealed cracks. Several more layers of wallpaper were applied through the years after the ceiling improvement. Now, I have the job of fixing the cracked plaster walls. The tape up onto the ceiling is simply razored into the corner, to retain texture.

Mud would NOT last here. Retaping the corner would be painful, with spread of texture damage on the ceiling from troweling and wetness. Fix-All might survive if pushed into the gap, but application would be aggravating, with short pot life, and with difficulties of cleanup.

I wet the gap by spray bottle as I progress, and push flexible grout into the gaps, by fingertips. The application will be easier yet, dispensing grout with caulking tubes. Going around again if necessary, I can spot-apply a matching texture pattern with flexible grout.

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