We mean that literally by the way.
Should i use spray foam insulation in my attic.
A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents.
No that is done correctly.
Problems with spray foam insulation in attics.
Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any gaps around plumbing pipes ceiling perforations and holes where electrical wires snake through.
Spray foam insulation is a great product.
However in a traditionally insulated attic insulation on the ceiling the attic is vented.
Earlier this year i got a question about a home that had spray foam insulation in the attic.
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.
Sealing the top of the house keeps the air you paid to heat and cool inside your home.
Make sure to seal all the way around the pipe says olson.
And the benefits range from much lower utility bills to fewer pests to reduced sound transfer.
When we seal the attic with spray foam it s as tight as a butter tub.
But with spray foam ventilation is not an issue.
Homes insulated with it can be some of the most efficient and comfortable homes built.
Yes using spray foam we have added your attic to the conditioned space.
For gaps 1 4 in.
Or less use caulk the fire blocking type rather than expanding foam.
Use canned minimally expanding spray foam daptex plus window door foam sealant 7 for 16 ounces.
It s quick and easy to do.
Spray foam installers may miss some of the air leakage sites in the attic which can lead to problems in the insulation of the attic.
Here s the answer to the question posed in my article title.
The use of spray foam attic can present many potential problems especially when it comes to the improper installation of this material within this area of your home.
When you insulate the top of your attic with spray foam you re bringing your attic into your home s envelope as a result you can reduce the temperature in your attic by a lot anywhere from 120 degrees to around 95 during peak summer.
That is now a conditioned part of your house just like any room in your house.
Using spray foam insulation in an attic is a popular energy saving project.
I can also tell you that 73 of all statistics are made up on the spot so please don t ask for.
And we have to start thinking differently.