Insulation Attic Vents

Traditionally insulation materials that are placed inside of an attic will require air circulation within the attic space to assist in drying excess moisture in this indoor space.

Insulation attic vents. The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top plate. The ado products durovent 23 1 2 in. Attic insulation rafter baffle proper vents 70 pieces model 70rm view the owens corning attic insulation 179 00 179 00. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.

In other words the entire vent opening doesn t count as vented space. For the same reason insulation shouldn t touch the roof s underside. Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation. Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no.

Owens corning raft r mate 22 1 2 in. Insulation is used in an attic for cross ventilation to minimize potential for moisture accumulation and condensation to help energy savings and moisture control. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. That said air resistance and interference such as vent grates reduces the area of true ventilation.