Insulating A Cold Roof

Ventilated roofs remove moisture from roof cavities structural members sheathing and insulation.

Insulating a cold roof.

A cold roof assembly can also be created using other types of insulation. Box out light fixtures. However cold roof insulation on an existing flat roof system is anything but simple. Typically a gap will have to be left for ventilation because this is a cold area.

With two strategies employed the airtight vapor impermeable foam plus the ventilation as a safety valve you might call this a belt and suspenders approach to building. Cold deck or cold roof is where the insulation is below the roof deck and the associated joists. Cold roof insulation is most commonly used when a flat roof is first being created because it s a relatively easy process. The term cold roof refers to traditional roofs in which insulation is placed in the ceiling of the home so it is underneath the attic space which is not conditioned.

These roofs include a. Water is insulation s enemy. It requires the existing roof surface to be ripped up so that the insulation can be laid in between before a new roof surface is then. A properly insulated ventilated roof can.

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.