Vaulted Roof Insulation Detail

Flat roof cathedral ceiling we re going to give it a try.

Vaulted roof insulation detail.

The insulation is not affected by water. There are several options for installing insulation in a vaulted ceiling. 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. After it sets spray foam insulation forms a rigid durable barrier to prevent the warm air that s inside your living area from exiting through the vaulted ceiling where it no longer has chance to create damp or mould.

As it expands the foam seeks out the gaps cracks and crevices and fills them in. Insulating a vaulted ceiling is similar to insulating exterior walls with. Nail 1 furring along every rafter side against the roof deck. Our plan is to put rigid board up between the 2x4 s caulk the edges and then hang sheetrock.

In the knee wall area the insulation is in the floor and on the back of the knee wall. 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. Below is 1x decking and 2x4 rafters.