Is It Better To Insulate Ceiling Or Roof

The technically correct approach depends on a number of factors.

Is it better to insulate ceiling or roof.

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. The general consensus is if in doubt attic insulation takes priority over direct roof insulation. This is then covered with a further weatherproofing layer. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.

Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be. Cold roof a very bad idea. Cold roof systems are highly inadvisable as insulation from the inside will inevitably lead to the formation of condensation. To produce a hot roof rigid insulation is fitted outside above the weatherproofing.

The final word ceiling insulation is the most important. Ceiling insulation is an excellent way to retain heat between the floors of a house prevent heat loss through the roof and keep your home cool in the summer. Water is insulation s enemy. There s a difference between insulating the ceiling and the actual roof slope.

Box out light fixtures. Earlier in this article we referenced this contractor who said that homeowners commonly insulate their ceilings but not necessarily their roof. Whether or not there is an inner roof lining and the total thickness of the roof structure. Without high levels of attic or roof assembly insulation warm air will flow through the ceiling and roof to the outdoors in the winter.

If you are deciding between insulating the roof deck or insulating the ceiling it is most important that you insulate the ceiling. Unvented hot roof design cathedral ceilings are also an option. If your attic is usable space but not lived in then you won t need to insulate the roof rafters as long as the ceiling floor that separates the roof from your living area below is insulated. Home ceilings are usually insulated in order to seal off the extreme temperatures in your attic.

For example cathedral ceilings built with 2x12 rafters have space for standard 10 inch batts r 30 and ventilation. Similarly in hot weather conditions warm air will infiltrate into the living are attic temperatures may reach 140ºf 60ºc and more. It provides an open airy look and feel to the room and they are often in demand among home buyers. A cathedral ceiling is a sloping and pointed ceiling which is usually high and open.

Bulk insulation comprises of blanket insulation which covers the ceiling joists and. Insulating the pitched roof if your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof.