For a correct approach an inner roof lining is required.
Should i insulate my attic roof.
Materials commonly used for the insulation of the roof deck include.
With a finished attic insulation must help keep the attic areas comfortable.
Insulating between rafters will do no good because the attic should be ventilated and the rafter insulation would be between two unheated spaces.
If it is located in a conditioned part of the house also remember to insulate and air seal your attic access.
If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job.
Insulating the roof insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings.
That means insulating the attic floor only not the walls and having vents in the roof.
You may also insulate your roof to help regulate the temperature in an attic that is a part of your living space.
Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well.
Insulation roofing there are various factors that affect how often a home s attic insulation should be replaced.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
Home ceilings are usually insulated in order to seal off the extreme temperatures in your attic.
A good rule of thumb is that standard insulation should be inspected to see if it needs to be replaced at least every fifteen years.
Plan to pull up the flooring and layer new insulation on top of the old.
The technically correct approach depends on a number of factors.
Whether or not there is an inner roof lining and the total thickness of the roof structure.
If your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof.
If your attic is usable space but not lived in then you won t need to insulate the roof rafters as long as the ceiling floor that separates the roof from your living area below is insulated.
If you decide to insulate at the roof level then that is a decision to bring the attic into the conditioned space of the house so you re correct the gables would be sealed up and you keep a clear channel for air between the insulation and the roof deck.
After this amount of time insulation begins to peel away from the walls and degrade.
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.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Before insulating seal any air leaks and make roof and other necessary repairs.