Vented Or Non Vented Attic

Those vents in the attic allow for airflow and that airflow moves the hot air and moisture out of the attic.

Vented or non vented attic. Either of these systems comes with a premium cost typically two to three times the price of a blown fiberglass or cellulose vented attic assembly. For example in the summer months your attic is likely going to be very hot. An insulation contractor advises me to eliminate the planned roof soffit vents and seal the attic with foam. While both vented and unventilated attics are permitted in both the ibc ibc 1203 3 2 and irc r806 4 a should the wood panels get wet they may not be able to dry out and buckling or loss of structural integrity may result.

Protecting roofing panels from moisture damage requires proper planning and storage during the construction phase. Calvin smith posted in energy efficiency and durability on september 1 2015 06 36am i m building a new home in miami fla. My question is how should the eave space be treated. A vented attic system refers specifically to having working vents in the attic.

The eaves will extend 12 from the rough framed walls. Fill with spray foam after installing non vented lp smartside soffits fascia etc. A sealed non vented airtight attic. Our new home design will have a non vented attic space with the underside of the roof deck between rafters insulated with r 50 closed cell foam.