They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Is foam insulation good for attics.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
May 5 2020 homeowners on the eastern shore that are dealing with rising heating and cooling costs and poor home comfort are looking for insulation solutions and many of them suspect that their attic is one of the first places to focus on.
Insulating an attic usually means you have a lot of room for insulation and you will need high r value so that is why the cheaper options are more popular blown cellulose or blown fiberglass.
One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic.
Choose from two types.
A lot of people look at the extra volume in an encapsulated attic but the heating and cooling loads on a house are based mostly on the surface areas.
However in a traditionally insulated attic insulation on the ceiling the attic is vented.
Contractors really have to know what they re doing.
Spray foam offers the best attic insulation performance available.
I ve been in plenty of these homes and can tell you that when spray foam is installed properly they outperform 99 of fiberglass batt insulated stick built homes.
That styrofoam insulation will work but it is not cheap per r value however it gives you a great r value per inch.
Homes insulated with it can be some of the most efficient and comfortable homes built.
Spray foam insulation is a great product.
It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.
Foam board insulation is easy to use and is a great diy way to add some insulation.
Some types of thicker foam board insulation are available but they may need to be special ordered.
Spray foam can work well but you re right.
Open cell spray foam insulation is roughly 1 to 1 25 per square foot and closed.
Closed cell and open cell aka 2 pound and pound respectively.
When we seal the attic with spray foam it s as tight as a butter tub.