For diy attic insulation you ve got two choices.
Attic insulation condensation.
And the same factors that cause attic condensation problems also cause ice build up on roof edges which can lead to ice damming.
Attic condensation during the winter can decrease the effectiveness of insulation and over time can cause significant damage to structural elements in the attic such as rafters or trusses.
Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation.
Traditionally insulation materials that are placed inside of an attic will require air circulation within the attic space to assist in drying excess moisture in this indoor space.
If left untreated it can damage critical structural elements of the home such as the trusses and rafters ruin insulation damage any stored belongings and lead to the formation of potentially toxic black mold.
To prevent moisture from seeping into insulation.
You can prevent these problems from occurring by maintaining a dry attic with a low relative.
Insulation is used in an attic for cross ventilation to minimize potential for moisture accumulation and condensation to help energy savings and moisture control.
You need to ensure that warm air passing through into the attic space is minimized.
To save time and better pinpoint the problem you can hire a professional to inspect your insulation and fill any gaps that might be letting warm air into the space.
A moist attic means moist insulation and moist insulation is less effective.
So if you have condensation in the attic i d suggest.
In order to prevent attic condensation adequate attic insulation is required.
Both can be added to uninsulated attics or layered over existing material.
But it will mean the loft area is warmer and should reduce condensation in the attic significantly.
This type of insulation is more common on chalet style properties where there are habitable rooms in the roof area and it is fairly unusual in traditional houses with a full roof space.
Without proper insulation and ventilation problems with moisture can cause havoc in your attic and you might not even know it.
Insulation is responsible for keeping warm air inside your living space and out of the attic where it can lead to condensation.
If the problem is the result of water or moisture penetrating the foundation or floor slab there are many remedial actions which may help.
The best solution for controlling moisture is at its source.
Condensation on your ceiling can cause water damage and promote the growth of mold or mildew.