Earlier this year i got a question about a home that had spray foam insulation in the attic.
Is it okay not to insulate your attic.
Some types of insulation are found in older homes and some of them may no longer be used.
In our doormer there are two small doors going into the attic area from a finished dormer area and the.
You could see your energy bills go down by as much as 15 to 25 percent depending on your climate and existing levels of insulation.
The long term payoff of insulating an attic is impressive too.
There are a few things to note when insulating an attic.
And you may also qualify for a tax credit on the blown in attic insulation cost check with the irs or at energystar gov.
According to the department of energy properly insulating the attic can save 10 to 50 percent on a typical heating bill.
Degraded or chewed by.
There is a similar fire risk with older houses that have knob and tube wiring.
Nothing unusual about that.
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.
There are better ways to spend your money on garage improvements that may help lower your energy bills.
However building codes only require an r 38.
I think the thing i ve learned is that if your not going to finish the attic area and the walls to the finished room are insulated you don t have to insulate the roof joist but you do need to insulate in between the floor joist and the finished walls.
It isn t important to insulate the ceiling between the attic and the garage because those areas are not affected by a home s heating and cooling system.
Plan to pull up the flooring and layer new insulation on top of the old.
Replace or supplement your attic insulation if it is.
There are three common attic insulation types used today.
Thanks everyone for your insight.
In the washington area there are many styles of homes and roofs but.
There are different types of attic insulation and they each have their pros and cons.
Department of energy recommends r 49 attic insulation.
Attic insulation is measured by an r value which indicates how insulation controls the flow of heat and cold through your home.
Batt spray and blown.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
If these walls are not insulated the temperature of the garage can affect the rooms and make the house.
Here s a good rule of thumb.
The danger is that the can light could overheat and cause a fire.
It is important to insulate any walls that separate the garage from air conditioned rooms in the house.
If you have fiberglass insulation batts rolled out between joists and blown in fluffy insulation piled on top of that you have enough insulation.
If you can see your attic joists you do not have enough attic insulation.