Insulation, Radiant and Vapor Barriers - Insulating Pop-Up Tile Ceiling

From what I understand this grid is different than an ordinary suspended ceiling in that the grid screws directly to the joists. The tiles pop up like a suspended ceiling. This was advertised at Home Depot. But how would I insulate this room according to this ceiling type. I have an attic above (a shallow one).

A grid type ceiling really isn't designed to be insulated. These are normally

used in finished basements, where insul. is not normally used. The zero

clearance designs are meant for older basements with 8' ceilings, or less.

What if I stapled roll out insulation at the very top of the attic (underneath the plywood that the roof shingles sit on), leaving the actual ceiling joists free for the ceiling?

Some of the reasons why insulated rafters are not the best way to go, are:

Stapling to rafters leaves the paper barrier exposed to the attic, fire safety

concern. Paper barrier on bottom side of insul. causes moisture to break down

the fiberglass material. Most rafters are not adequately sized to accommodate

thickness of enough insul. to provide adequate R - value. Maximizing the use

of the rafter space to install the most insul. leaves very little space above

the insul. for adequate ventilation. Also, the grid tiles, while not exactly

combustible, do not provide the firewall protection that 1/2'' ceiling drywall

does. This means a possible fire would jump into the attic really fast.

Sorry for taking so long to get back to you. I hope this is helpful.

Thanks, actually, I've decided to go with the plain drywall ceiling as it is the most practical solution to this room. Thanks guys!

Have a look at the multi ceramic insulation coating. This can be applied over your drywall at about 10 dry mils. It will control heat transfer and it is Class A fire rated.