Spray Foam Roof Insulation Vs Radiant Barrier

All manufacturers of radiant barrier sheathing say not to spray against their product it will render it useless.

Spray foam roof insulation vs radiant barrier.

Positioning a radiant barrier in the. If you are more concerned with energy efficiency spray foam. The question arises with the use of spray foam. Radiant barrier sheathing is inexpensive and reflects thermal radiation to keep attic spaces cool.

And that means quite simply radiant barrier foil is a far more efficient option than spray on coatings. Radiant barrier sheathing radiant barrier sheathing can reflect back up to 95 of the heat absorbed and can consequently reduce attic temperatures by up to 20 degrees f. This is because foil insulation reduces radiant heat gain rather than slowing conductive and convective heat flow. It has increased r values that make your attic space cooler in the hotter months.

Has minimum emissivity properties of 05. Spray foam is a great way to keep heat in your home in the winter and often sparks the spray foam roof insulation vs. It works differently than other types of insulation. I typically spray enough foam 5 lb open cell to achieve r 38 in our roofs.

That means more than 95 of radiant heat is reflected. A radiant barrier insulation system can reduce your attic temperature by as much as 30 f providing cooler attic spaces and more beneficially more comfortable living spaces within your home without the extra load on your cooling system. Spray foam may be a good option in small homes where space is essential or in areas that are difficult to insulate. Installed right under the roof radiant barrier insulation isn t meant for soundproofing or keeping warm air from leaking up into the attic and out of the house.

Benefits of installing spray foam insulation. For summer cooling the radiant barrier may be better than the spray foam most of the attic s heat gain is through radiation in our sunny climate in denver colorado a well vented attic with a radiant barrier helps our clients keep their cool prolong their shingle life while reducing their conditioned space. A number of factors should be taken into consideration when choosing between these two especially the climate zone that you re building in. When installing attic insulation a case can be made for both radiant barrier sheathing with typical types of insulation as well as spray foam insulation.

This means that radiant barrier sheathing keeps your home comfortably insulated against outside heat and saves energy your power utility bills up to 17.