Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and to prevent thermal bridging the heat loss that occurs through the wood framing.
Putting insulation in ceiling.
Rushed installation of insulation materials can block grills and vents that move air throughout your house.
The best way to insulate a drop ceiling is to install batt insulation between the ceiling joists before installing the hanging grid.
Work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just put in.
Department of energy shows that there s not much to be gained by insulating a basement ceiling.
When installing any type of insulation make sure that your contractor and his team don t cover up access points to your home s ventilation system.
So i suggest you put your time and money into improvements that have a bigger payback such as adding more insulation in the attic weatherstripping your windows and doors sealing cracks insulating the rim.
How to put insulation in a ceiling before drywall.
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.
This installation would proceed as any insulation installation.
If you don t have an attic however there is.