Below is 1x decking and 2x4 rafters.
Insulate cathedral ceiling without ridge vent.
In this situation it s much like a cathedral ceiling.
Today most experts feel that unvented cathedral ceilings are the best.
Our plan is to put rigid board up between the 2x4 s caulk the edges and then hang sheetrock.
A cathedral ceiling is a sloping and pointed ceiling which is usually high and open.
I would insulate the entire ceiling roof without any vents.
16 gap at the peak 6 gap down near the wall top plate intersection.
Ted what is the best way to insulate a cathedral ceiling with 6 16 of space between the drywall and roof sheathing.
Cold climate michigan note.
Rigid foam board installation in the case of a cathedral ceiling involves installing three different layers that are each 1 5 inches thick according to the.
Cathedral ceilings are a feature in many homes that add to value to the house because the high ceiling tends to make rooms look larger.
The right way to insulate attics and cathedral ceilings with batts using certain t.
Soffit vents and ridge vent are available.
Having said that i think you can exactly what i did in my shop but you can skip any ventilation issues and just be sure it s all sealed well.
How to avoid condensation leaks attic mold insulation mold structural damage to roof framing when roof venting is not possible cathedral roof and knee wall insulation venting air path options in older homes hot roof designs.
Cathedral ceilings that are properly designed to addresses the source of water vapor dissipate the movement of water vapor through the assembly and ventilate collected moisture will help to ensure long term roof system performance and enjoyment of the ceiling for years to come.
Insulating an unvented cathedral ceiling.
Suggestions for un vented or hard to vent building roof cavities.
Monitor the condition of the roof from above with an annual inspection unattended leaks on any roof structure can lead to costly rot insect or mold damage but on a well insulated sealed cathedral ceiling roof leaks from above can go for quite a while without notice from inside the building.
Existing is a fourteen year old roof with 2 of closed cell roofing foam with an acrylic elastomeric coating.
If you decided to use a rigid foam board to help insulate your cathedral ceiling you would install the board on top of the roof sheathing and underneath the plywood at the top of the roof.
It provides an open airy look and feel to the room and they are often in demand among home buyers.