Attach the baffles to the interior of the joists using a staple hammer and cover the wall plate area completely.
Easiest way to insulate cathedral ceiling.
In a correctly insulated cathedral ceiling using the tight fill moisture elimination method the high density of cellulose reduces moisture penetration to the point that no vapor retarder barrier is needed.
As mentioned earlier cellulose has a natural density that is usually two to four times that of fiberglass.
The foam can then expand into tiny cracks and holes that traditional insulation might not fit into thereby effectively air sealing your cathedral ceiling.
Compare wood and vinyl options and choose the one that best suits your budget and diy aspirations.
The reason spray foam like icynene makes the most sense for your home s cathedral ceilings is that spray foam is able to expand up to 100 times its original size within second of application.
Icynene spray foam insulation and cathedral ceilings are the ideal combination.
Insulating an unvented cathedral ceiling.
Cut and insert 1 or thicker high r foam insulation sheets r 8 per inch against the furring giving a 1 or greater air path between the insulation and the roof deck under the cathedral ceiling.
Place the insulation between the rafters or below them.
A cathedral ceiling is often difficult to insulate as they leave very little room for ventilation which is needed to keep the insulation dry.
Seal the insulation or the ceiling surface below against air leakage.
Nail 1 furring along every rafter side against the roof deck.
Although the gba website already contains many articles on the topic we continue to receive frequent questions about the best way to insulate a cathedral ceiling.
One of our favorite ideas for this material is covering popcorn ceiling with beadboard.
When fitting your cathedral ceiling insulation many people don t realize that you have to install a moisture control system.
One of the best options would be spray foam insulation here s why.
Put the baffle between the joists starting where they join at the exterior wall plate.
Beadboard panels are an efficient economical way to get that popular tongue and groove porchy look to cover up an unattractive ceiling.