Insulating A 2x6 Vaulted Ceiling

Insulating a vaulted ceiling is similar to insulating exterior walls with one notable difference.

Insulating a 2x6 vaulted ceiling.

Vaulted ceilings require venting as well as insulation. 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. R value insulation receives a rating. 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.

Thus each bay needs to have more. Insulating cathedral ceilings can be quite challenging. I m looking for some suggestions in terms of insulating. Cellulose offers much greater insulating power per inch and compared to fiberglass provides more insulating room because ventilation space is not required.

Attic trusses typically have a sloping ceiling. There is no insulation in the ceiling and i suspect little to no effective insulation in the 2x4 walls. Old cottage cathedral ceiling i have a 50 year old seasonal cottage in a northern climate. If i retain the vaulted ceiling i ll need to furr out the 2x6 s to achieve the recommended r value.

Here s how to use 3 layers of 2 inch polyiso foam board to meet code and keep your ne. This means that in a limited space such as a cathedral ceiling cellulose offers a much higher stated r value. When renovating an older home whose roof rafters are only 2x6 really 5 1 2 x 1 5 in dimension the available space for insulation and ventilation is limited therefore limiting the options for a combination of good under roof ventilation and high insulation r values in the cathedral ceiling. It provides an open airy look and feel to the room and they are often in demand among home buyers.

The new workshop will be located over my garage in an area that was framed using attic trusses when we built the new house. Given that many homes survive with far less including those skimpy. Better than spray foam thermal break and relatively consistent r 30. Best insulation technique for 2x6 cathedral ceiling.

The garage is 12x20 and has about a 27 degree pitch in the roof with 2x6s as rafters. I live in vermont so it s recommended to have around r50 insulation in the ceiling.