Thick above the roof sheathing supplemented by a layer of air permeable insulation such as blown in fiberglass or cellulose below and in direct contact with the roof sheathing.
Soliad batt insulator slope roof.
Install solid foam spray in insulation under the roof a hot roof design.
Eric dymond lives in a 1920s baltimore row house that needs a new roof.
Keep in mind that this is the roll and not the loose fill.
Install a more moderate layer of rigid foam insulation 2 in.
Rockwool comfortbatt is a stone wool insulation that provides reliable thermal resistance over time.
A good 8 feet is not accessible.
Sloped roof insulation providing high quality insulation between cathedral ceiling roof joists is an easy method of improving the overall energy performance of a building.
A ridge vent running the length 2 gable vents and fascia vents i e.
Where the roof meets the fascia board there is a gap in some of the bays.
Batt insulation relatively cheap in bulk quantities such as is the case with this owens corning r 38 fiberglass batt insulation roll designed to fit up to 341 36 square feet of attic space.
He plans on replacing the low slope built up roof with an epdm membrane and the question is how to insulate it correctly.
This eliminates the entire plan of ventilation gives maximum r value for the space probably costs the most and risks shorter shingle life hotter roof and future hidden damage if leaks occur into the roof cavity works not a solution we like.