Existing is a fourteen year old roof with 2 of closed cell roofing foam with an acrylic elastomeric coating.
Metal roof cathedral ceiling insulation.
I m concerned about possible condensation on the underside of the steel roofing and i would like to know the best way to insulate this ceiling from the underside.
Below is 1x decking and 2x4 rafters.
Foil backed bulk insulation has a high risk of condensation if there is less than 2 3 of the total.
3 regarding roof insulation vs.
There is no plywood roof sheathing.
Unvented roof assemblies should be insulated either with air impermeable insulation rigid foam or spray polyurethane foam or with a combination of foam and air permeable insulation.
The right way to insulate attics and cathedral ceilings with batts using certain t.
Our plan is to put rigid board up between the 2x4 s caulk the edges and then hang sheetrock.
It provides an open airy look and feel to the room and they are often in demand among home buyers.
Cathedral ceilings are a feature in many homes that add to value to the house because the high ceiling tends to make rooms look larger.
Flat roof cathedral ceiling we re going to give it a try.
So the heat loss from conduction is about the same.
Australia recommend a condensation risk analysis is undertaken to determine if a vapour barrier is required at the ceiling.
If i have a 9 5 inch rafter for a vaulted ceiling in a very cold climate could i put 2 inch solid insulation on top of the 2x4 purlins and seal with foam the the roofing paper on top then the metal roofing with pink batts under with the poly.
I need to insulate a cathedral ceiling that will be finished with tongue and groove pine paneling.
It is a common misunderstanding that roof insulation is more important than wall insulation because heat rises hot air does rise but the temperature at your ceiling is at most a couple of degrees warmer than at the floor or walls.
Metal roof with cathedral ceiling below rafters cr004a products enviroseal proctorwrap high tensile roof htr.
The house has steel roofing installed over 1x3 purlins.
Can i insulate with foam board.