Department of energy recommends r 49 attic insulation.
Is it okay not to insulate your attic.
In our doormer there are two small doors going into the attic area from a finished dormer area and the.
But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.
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.
The long term payoff of insulating an attic is impressive too.
In the washington area there are many styles of homes and roofs but.
There is a similar fire risk with older houses that have knob and tube wiring.
Thanks everyone for your insight.
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.
It is important to insulate any walls that separate the garage from air conditioned rooms in the house.
There are different types of attic insulation and they each have their pros and cons.
Attic insulation is measured by an r value which indicates how insulation controls the flow of heat and cold through your home.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
However building codes only require an r 38.
If you can see your attic joists you do not have enough attic insulation.
Here s a good rule of thumb.
Replace or supplement your attic insulation if it is.
If you have fiberglass insulation batts rolled out between joists and blown in fluffy insulation piled on top of that you have enough insulation.
Earlier this year i got a question about a home that had spray foam insulation in the attic.
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.
There are a few things to note when insulating an attic.
Some types of insulation are found in older homes and some of them may no longer be used.
Degraded or chewed by.
You must not cover up any recessed can light fixtures unless they are ic rated ic stands for insulation contact.
Nothing unusual about that.
Batt spray and blown.
If these walls are not insulated the temperature of the garage can affect the rooms and make the house.
There are three common attic insulation types used today.
Plan to pull up the flooring and layer new insulation on top of the old.
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.
According to the department of energy properly insulating the attic can save 10 to 50 percent on a typical heating bill.
The danger is that the can light could overheat and cause a fire.
