7 Best Of Do You Need Roof Vents With Spray Foam Insulation HD Image Size. Actually you should probably get rid of power attic ventilators whether or not youre sealing the attic but thats another article. A spray foam insulated attic.
Nov 01 2015 To add to what Brian said closed cell spray foam ccSPF applied directly to the underside of the roof sheathing would seal a ridge vent shut. Spray foam insulation can even be applied with roof vents. Installing closed-cell spray polyurethane foam on the top side of the ceiling finish is acceptable.
May 25 2014 Foam insulation does not make damages more difficult to detect.
Sep 03 2019 The home is protected and the ventilation doesnt interfere with any necessary ventilation vents that are required. There is no need for a ridge vent in this application since the ccSPF seals the roof. One of the biggest benefits of using spray foam is to get greater airtightness. Mar 23 2020 One of the most common reasons to put spray foam on the roofline is to avoid having to air-seal the attic floor because the attic is connected with the air in the house and indoor air is more humid than outdoor air which can cause moisture problems.