Batt Insulation Over Suspended Ceiling

Rigid insulation temlock 1 thick 1 2psf cord 1 thick 0 7psf gold bond 1 thick 1 5psf styrofoam 1 thick 0 2psf foam glass 1 thick 0 8psf rigid fiberglass 1 thick 1 5psf roll or batt insulation rock wool 1 thick 0 2psf glass wool 1 thick 0 06psf alpol 0 1psf.

Batt insulation over suspended ceiling.

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. The batt insulation should be unfaced and can be of various thicknesses varying on the stc required. Includes planning equipment and material acquisition area preparation and protection setup and cleanup. The insulation contractors association of america s technical bulletin 27.

Applying batt insulation above suspended ceilings to meet code addresses and recommends practices known to conform to the requirements of the international building code and to all three model building codes. Fit and secure batt insulation between open ceiling joists. For the best results use batts that have paper facing. The air will pass right through the batt.

This installation would proceed as any insulation installation. 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. The best way to insulate a drop ceiling is to install batt insulation between the ceiling joists before installing the hanging grid.

Batt insulation above suspended ceilings have been used for years for sound control and is being used a little less in todays economy due to the improved stc ratings of drop in tiles that are available. Then laying 8 batt insulation above it and stapling 6 mil poly below. 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.

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.