Insulate Cathedral Ceiling Without Ridge Vent

Cold climate michigan note.

Insulate cathedral ceiling without ridge vent.

I would insulate the entire ceiling roof without any vents. Ted what is the best way to insulate a cathedral ceiling with 6 16 of space between the drywall and roof sheathing. 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. In this situation it s much like a cathedral ceiling.

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

Insulating an unvented cathedral ceiling. Today most experts feel that unvented cathedral ceilings are the best. Flat roof cathedral ceiling we re going to give it a try. Below is 1x decking and 2x4 rafters.

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. 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. 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. Soffit vents and ridge vent are available.

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. Worries about the hot roof un vented cathedral ceiling designs how to. Our plan is to put rigid board up between the 2x4 s caulk the edges and then hang sheetrock. 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.

Existing is a fourteen year old roof with 2 of closed cell roofing foam with an acrylic elastomeric coating.