plaster ring

plaster ring

plaster ring
A cylindrical metal ring, set in a plaster ceiling, which serves as a guide for plastering to a given thickness; also serves as a fastener for trim.
References in periodicals archive ?
They are made from three black iron arms that support a 7ft diameter ivory plaster ring.
Each fixture is supplied with a perforated plaster ring that gets mounted to the aperture for the application of drywall compound.
A trimless fixture is also available with a perforated plaster ring that mounts to the aperture for the application of drywall compound which is applied directly to the plaster ring and feathered away for a clean installation look in the ceiling.
A trimless fixture is also available with a perforated plaster ring that mounts to the aperture for the application of drywall compound, which is applied directly to the plaster ring and feathered away for an even cleaner installation and look.