Choosing the correct type of spray foam for your attic
When you go to pick out or decide on which type of foam you want to use, you need to keep a couple of different factors in mind for the best results. What kind of temperatures are you experiencing? Is cost efficiency a big factor for you? Are you in need of vapor retarding protection from the spray foam? Then finally, do you have hard-to-reach areas you need to handle with the foam?
Both of the options we have available are great choices. If you need extreme insulation it may be best to go with a closed-cell spray. If you need to insulate any hard-to-reach places, then open-cell would be a great option for your project. Open and closed-cell variations differ in their cell or (bubble) structure. This is what creates the insulating properties of the foam after the two chemicals are mixed together.