Determine the exact height at which the suspended ceiling will be installed.
Acoustic ceiling installation.
Acoustic ceiling installation and most commercial suspended ceiling constructions consist of metal channels in the shape of an upside down t.
To install mineral fiber tiles directly to existing drywall or plaster ceilings with adhesive use a recommended tile adhesive such as henry 237 acoustigum acoustical ceiling tile adhesive.
Follow the adhesive manufacturer s instructions for application and usage.
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These upside down t s are commonly referred to as mains runners or cross runners cross tees and are suspended on wires from the overhead structure creating a space between the buildings structure and the finished ceiling called a plenum.
Allow a minimum of 3 to 4 inches for clearance between the old ceiling and the new ceiling.
The speed of installation depends on the experience of the installer with experts being able to install 30 to 40 square feet in only an hour which would mean.