Spray foam offers the best attic insulation performance available.
Is foam insulation good for attics.
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.
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.
Open cell spray foam insulation is roughly 1 to 1 25 per square foot and closed.
Spray foam attic insulation.
It s good to have a building science pro involved too.
Choose from two types.
However in a traditionally insulated attic insulation on the ceiling the attic is vented.
Closed cell and open cell aka 2 pound and pound respectively.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
That styrofoam insulation will work but it is not cheap per r value however it gives you a great r value per inch.
Contractors really have to know what they re doing.
Spray foam insulation is a great product.
When we seal the attic with spray foam it s as tight as a butter tub.
Some types of thicker foam board insulation are available but they may need to be special ordered.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
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.
It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.
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.
Foam board insulation is easy to use and is a great diy way to add some insulation.
Homes insulated with it can be some of the most efficient and comfortable homes built.