This can be achieved through the use of truss joists scissor truss framing or sufficiently large rafters.
Insulation between roof and ceiling.
Measure the depth of your current insulation.
Roof insulation refers to the practice of installing insulation on the roof slope both above and below the rafters.
If your current insulation is only five inches deep you will need to add seven inches of insulation to achieve the 12 inch r 38 rating.
Spray foam either closed or open cell insulation or dense pack cellulose insulation.
Whether it s thermal insulation or acoustic insulation you are after we can help you with product choice and installation advice.
Measure the area needing insulation.
Cathedral ceilings must provide space between the roof deck and home s ceiling for adequate insulation and ventilation.
The reason is because it is very difficult to properly ventilate a flat space because air does not generally move in a straight line.
Insulation between ceiling rafters.
There are only 2 types of insulation that should be used for this method.
Furthermore most ceiling and roof insulation have good sound insulation qualities.
Ceiling insulation refers to any type of insulation installed within the floor nearest to the roof structure of the home.
Insulate above a dropped ceiling or in an attic with loose fill fiberglass or cellulose or fiberglass batt insulation.
For example cathedral ceilings built with 2x12 rafters have space for standard 10 inch batts r 30 and ventilation.
Install rigid insulation between the roof decking and the upper membrane.
These include autex bradford knauf and air cell to name a few.