Batt Insulation Over Suspended Ceiling

The batt insulation should be unfaced and can be of various thicknesses varying on the stc required.

Batt insulation over suspended ceiling.

Dropped ceiling grids are typically 2 foot by 2 foot or 2 foot by 4 foot so they accommodate standard 24 inch fiberglass insulation batts. The air will pass right through the batt. The best way to insulate a drop ceiling is to install batt insulation between the ceiling joists before installing the hanging grid. Includes planning equipment and material acquisition area preparation and protection setup and cleanup.

The insulation contractors association of america s technical bulletin 27. If you are seeking to add insulation to a suspended ceiling that is already in place however you will have to rest the batt insulation on top of. It is available in thicknesses to 12 inches and r values up to r 38. Batt ceiling insulation installation labor basic basic labor to install batt ceiling insulation with favorable site conditions.

My thoughts are that putting sonobatt directly over the t bar will not work aside from poor service access there will be no air barrier between the conditioned office space below and the non conditioned air above the t bar. Also improves ceiling stc acoustical performance by 4 10 points. The national electrical code prohibits installation of any insulation over or within 3 76 mm of recessed light fixtures unless approved insulated ceiling ic lighting fixtures are used. Fit and secure batt insulation between open ceiling joists.

This installation would proceed as any insulation installation. Then laying 8 batt insulation above it and stapling 6 mil poly below. Sonobatts insulation is designed for use over ceiling panels in a suspended ceiling system. For the best results use batts that have paper facing.

Acoustical ceiling batts are available unfaced and kraft faced without stapling tabs for installation on suspended ceilings.