Insulating A Cathedral Ceiling Spray Foam

If you re concerned about how you should be insulating cathedral ceilings icynene spray foam insulation is the ideal choice since it can aid in early detection of situations such as roof leaks and wind driven moisture intrusion icynene spray foam ca be applied to insulate any space or unique angle.

Insulating a cathedral ceiling spray foam.

Foam it green spray foam bonds overhead. Cathedral ceilings spray foam insulation. Insulating a cathedral ceiling with foam it green. My goal is simply to make it a.

From my research i thought i needed at least an r40 of insulation in a cathedral ceiling in my zone. I m in the early stages of building an amazing workshop to showcase tools over at tool box buzz and shop projects here at hci. Cathedral ceilings insulating with spray foam cathedral ceilings unvented how to seal. First closed cell foam has a 60 percent higher r value per inch than open cell 6 3 vs.

The new workshop will be located over my garage in an area that was framed using attic trusses when we built the new house. I want to properly insulate my cathedral ceilings and was thinking to spray 2 inches of closed cell foam to sheathing then fill with dense packed cellulose. Closed cell foam ceiling insulation in a vaulted ceiling offers substantial advantages over open cell. The spray foam contractor says i m wasting my money since the closed cell foam is 97 efficient.

Hi steve i very much appreciate the quick and detailed reply. I am wondering if i can attach craft paper and pine paneling to the 2x8 rafters and then fill the bays with cellulose. A cathedral ceiling is often difficult to insulate as they leave very little room for ventilation which is needed to keep the insulation dry. May 30 2020 at 9 57 am.

Insulating cathedral ceilings can be quite challenging. One of the best options would be spray foam insulation here s why. I just had 3 inches of closed cell foam r21 installed on inside of my cathedral ceiling new const and was planning on adding r19 batt fiberglass over the spray foam. However if you are determined to build an unvented roof then i think that closed cell foam insulation is a better choice.

Using foam it green spray foam insulation in your cathedral ceiling can give you much. Treat your cathedral ceiling just like a wall with a different angle. The higher r value reduces condensation when moist interior air hits the now less cold ceiling vice versa in summer with humid outside air. Attic trusses typically have a sloping ceiling.