Pros And Cons Of Unvented Attic

In a hot humid climate there is no advantage to inviting outdoor air into your attic.

Pros and cons of unvented attic.

No roof venting to install complex roof are inherently difficult to vent sealing may be the solution may increase the usable area of a house. Making the attic a conditioned space means the space will be the same temperature as the rest of your home. These roofs can lower your heating costs in the winter. Adding unvented attic insulation like spray foam seals the building envelope and stops airflow.

This could actually penalize a house under leed h air sealing the ceiling is not necessary attic hatches do not need to be insulated and gasketed. This air seal will help to make your home more energy efficient. A fundamental requirement of an unvented attic assembly is the use of air impermeable insulation on the underside of the unvented roof to prevent air infiltration and exclude airborne moisture from the attic. Pros of building the sealed attic.

This reduces latent air conditioning loads and provides further reductions in energy consumption. Poorly insulated ducting can cause heat loss in colder months and the loss of conditioned air in the summer in vented attics. The pros unventilated attics are common where roof assemblies are complex and it s difficult to create a sealed ceiling plane. The hot humid air belongs outdoors and you need an air barrier between the hot humid air and the interior of your house as well as your attic.