Could i build a second ceiling directly below the exiting cold deck flat roof dormer ceiling and instal more insulation using.
Vaulted roof extension.
There are several options for installing insulation in a vaulted ceiling.
3m depth from original rear wall 8 5m width along the rear of the property.
The design is quite standard the extension is an l shape single storey rear and side with a few small velux windows in the roof.
It is more expensive though.
A vaulted ceiling in new construction is no more complicated than standard framing although it does require special roof trusses which are usually built off site.
Exposing elements of the roof structure including the trusses and or rafters can add character to a home.
These types of trusses are often used to create multilevel roof lines or construct additions to an existing building.
Changing flat ceiling to vaulted ceiling.
Please have a look at the other construction videos on our channel.
The basic framing construction cost can increase by 5 to 20 percent in a home with a large 20 x 20 foot great room with a vaulted ceiling.
I have a kitchen extention to the rear of my house 5mtrs long x 2 75 with about a 30degree pitch it is a conventional.
In a two storey extension this may result in a split level on the first floor which can add interest.
Vaulted ceilings can be constructed by either stick framing which means attaching each joist and rafter individually or by setting roof trusses that come engineered from a truss manufacturer with.
Instead of building a conventional flat ceiling with a void above fit insulation within the pitched roof structure to create this feature.
2nd ceiling under original flat roof ceiling.
Where an extension is beneath a pitched roof there may be the option to create a vaulted ceiling open to the ridge.
Mono and vaulted mono trusses are only sloped in one direction.
Among the easiest options is to install rigid insulation sheets over the rafters which not only provides insulation but also the structural function of enclosing the roof.