Insulate Cathedral Ceiling Without Ridge Vent

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.

Insulate cathedral ceiling without ridge vent.

Insulating an unvented cathedral ceiling. 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. Existing is a fourteen year old roof with 2 of closed cell roofing foam with an acrylic elastomeric coating. Flat roof cathedral ceiling we re going to give it a try.

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. 16 gap at the peak 6 gap down near the wall top plate intersection. Cold climate michigan note. It provides an open airy look and feel to the room and they are often in demand among home buyers.

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. Soffit vents and ridge vent are available. In this situation it s much like a cathedral ceiling. Today most experts feel that unvented cathedral ceilings are the best.

Our summers in northern california can be pretty hot amp i am looking to add more insulation to my attic the attic floor is insulated already there is a ridge vent there are 2 gable vents 1 has a fan there are 2 between rafter vents there are no soffits or eaves so no vents there. 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. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open. Ted what is the best way to insulate a cathedral ceiling with 6 16 of space between the drywall and roof sheathing.

The right way to insulate attics and cathedral ceilings with batts using certain t. Below is 1x decking and 2x4 rafters. Suggestions for un vented or hard to vent building roof cavities. 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.

I would insulate the entire ceiling roof without any vents.