Open up a ceiling with a steel sandwich an angled steel flitch plate bolted between rafters eliminates the need for rafter ties in this.
Cathedral ceiling support.
Designed for appliances that are tested and listed for use with a 2100 degree f ht chimney system such as woodstoves fireplaces furnaces boilers stoves ranges water heaters or other appliances fueled by wood.
Vaulting depends on balancing the lateral roof pressure against counter pressure created by the angle of the vault and the support of the walls.
Here are some techniques for making these spaces more attractive and more comfortable.
Steeper roof pitches are necessary for higher vaults.
The engineer can assist you with advice about how to safely support the roof as you proceed with the work.
Cathedral ceiling support kit this convenient kit includes the parts common to all straight up chimney installations through a cathedral a frame ceiling.
Once the new cathedral ceiling supports are in place and the flat ceilings have been removed you need to think about how you are going to insulate the ceiling.
Just add chimney lengths and a roof flashing to complete most installations.