Instead most builders prefer a foam spray insulation either cellulose or urethane which can be placed into the ceiling using a spray can and left to dry.
Insulate a ceiling without attic.
Adequate ventilation is necessary to prevent too much heat and.
Cut and insert 1 or thicker high r foam insulation sheets r 8 per inch against the furring giving a 1 or greater air path between the insulation and the roof deck under the cathedral ceiling.
Always fix leaks before installing.
Your home needs at least some type of insulation to keep the interior temperature of your home regulated regardless of the specific climate you live in.
Typical ceiling insulation involves spreading either loose fill or batt the term commonly used for blanket insulation within the attic or airspace of a home.
Wear long sleeves and pants work gloves safety glasses.
A vent baffle should be installed between the insulation and the roof decking to maintain the ventilation channel.
Make sure that your house is properly ventilated.
Nail 1 furring along every rafter side against the roof deck.
Things needed stepladder tape measure utility knife staple gun and staples polyester twine drywall screws roofing nails.
In an attic without soffit vents you can add insulation in the corners and the wedges between the slope of the roof and the floor of the attic which serves as the ceiling for the room below.
This density prevents air from carrying damp into the insulation.