What Insulation For Vaulted Ceiling

Foam insulation is an excellent although expensive solution.

What insulation for vaulted ceiling.

Bernice from midland ontario wants to know how to get more insulation into her vaulted or cathedral ceiling the common problem with structures like this that we call compact roofs is that there is not usually enough space for a lot of insulation and a lot of ventilation. There are a few different options for installing insulation in a vaulted ceiling. The drywall becomes stained the insulation becomes damp and the roof wood can even begin to rot. Check the joists and wall plates for any holes or openings.

If space allows the easiest is to install firm insulation batts over the rafters. To keep fiberglass batts from blocking airflow rafter baffles should be. But it s not a diy project. If you are looking for the best way to install your cathedral ceiling then there are some mistakes you ll have to avoid in order to prevent heat or.

Inexplicably some well built vaulted ceilings complete with vents and fiberglass insulation have moisture problems. Install vaulted ceiling insulation with batts. A vaulted ceiling does not necessarily require roof insulation because there is an air cavity separating the interior of the home or conditioned space from the roofline. Cathedral ceilings were once popular due to their grandiose height and appearance but these days many people avoid it because it is difficult to get proper cathedral ceiling insulation installed.

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. Foil faced iso board can be cost effective insulation for finished attics and cathedral ceilings. Spray foam is a very expensive option however. The new workshop will be located over my garage in an area that was framed using attic trusses when we built the new house.

In most cases however insulation will not help prevent moisture. Ceiling insulation typical ceiling insulation involves spreading either loose fill or batt the term commonly used for blanket insulation within the attic or airspace of a home. In fact when the only space you have is that left by a 2x8 or even a 2x10 you really can t do a perfect job of both. Remember that a two inch breathing space between the insulation and the roof sheathing must be included to allow for ventilation.

In a vaulted ceiling however the only fresh air route lies between the insulation and the underside of the roof deck. Attic trusses typically have a sloping ceiling. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. Insulating cathedral ceilings can be quite challenging.

Foam board insulation would be a more economical especially if you are supplying the labor see photo. Utilizing cellulose insulation contractors blow the cathedral ceiling cavity completely full and do away with the need for outside ventilation.