We recommend fiberglass for this as well primarily for safety reasons.
Re insulating attic.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
With a finished attic insulation must help keep the attic areas comfortable.
Type and material of your insulation.
According to home advisor insulating your attic can cost between 1700 to 2100.
That means insulating the attic floor only not the walls and having vents in the roof.
Once joists are level.
Expect to pay an additional 85 per hour for this service.
If you re adding on to existing insulation use this rule of thumb to guide your work.
Contractor or insulation installer s fee.
See professionally prepared estimates for attic insulation work.
There s a third option but it falls on the less recommended side.
Blowing attic insulation isn t hard but it s dusty sweaty work.
Department of energy estimates that attic insulation can substantially decrease by anywhere from 10 to 15 percent the amount of money you devote each month to keeping your house at a.
How to insulate a finished attic.
The higher the r value the better the thermal performance of the insulation.
R value is a measure of insulation s ability to resist heat flow.
One for attic prep and the second to actually blow the insulation.
See typical tasks and time to insulate an attic along with per unit costs and material requirements.
The structural elements are usually exposed in these areas which makes it easy to see what type of insulation you have and to measure its depth or thickness inches.
To make insulating an attic easier grab a helper and set aside two days.
Expect to pay an attic insulation installer about 70 per hour.
Square footage of your attic.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
It s usually recommended that existing homes have their attics insulated to a rating of r 38 us which will typically require a layer of insulation 10 14 inches 25 4 35 6 cm thick depending on what type of insulation you use.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
Insulation levels are specified by r value.
Check the attic walls and floors adjacent to an unheated space like a garage or basement.
Add the right kind of insulation.
But saving 1 000 or more with blown in ceiling insulation will make up.
Second you can remove the current insulation air seal the attic floor and then re install loose fill.
The main factors that impact the cost are.
Both of these options are guaranteed to do their job of re insulating your attic.