Insulating A Cathedral Ceiling With A Metal Roof
Sketch above left is courtesy of carson dunlop associates shows the two basic strategies for insulating cathedral ceilings and flat roofs.
Insulating a cathedral ceiling with a metal roof. While many people think they look nice providing insulation can sometimes. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open. If you are looking for the best way to install your cathedral ceiling then there are some mistakes you ll have to avoid in order to prevent heat or air conditioning lost from all the areas of the. There is no plywood roof sheathing.
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. The house has steel roofing installed over 1x3 purlins. My concern is that the metal roof may also conduct heat downward in the area of the cathedral ceiling and thus nullify its benefit as a radiant barrier. Insulating attics and cathedral ceilings.
I need to insulate a cathedral ceiling that will be finished with tongue and groove pine paneling. In the first article of this series i discussed a lot of the theory behind attic insulation that you should know before taking on your insulation project. I am in the design phase of building a new home and having difficulty determining how to construct a cathedral ceiling roof with stand seam metal roof. Can i insulate with foam board.
Posted on december 21 2016 by t d. I know from experience that metal conducts heat downward since we have metal awnings aluminum that are not insulated and when the sun hits the awnings you can feel the heat below. Cathedral ceilings were once popular due to their grandiose height and appearance but these days many people avoid it because it is difficult to get proper cathedral ceiling insulation installed. As explain in our hot roof discussion cited just below we don t have full confidence in the long term durability of hot roof designs because any future roof leak into this cavity.
The architect designed the roof with 2x12 rafters ply wood roof sheathing non vented with a standing seam metal. I have read all the articles on this website for different techniques available but none of the completely address my concerns. Watch this 3 1 2 minute q a about a real situation in southern quebec. If you haven t read it please click the link and do your best to understand the basics before proceeding.
This info applies to any homes with cathedral ceilings in cold climates. Worries about the hot roof un vented cathedral ceiling designs. 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. Condensation killing houses slowly but.
Currently it has three layers of composition. I just purchased a house inear the beach on the washington coast.