Many older homes have less insulation than homes built today but even adding insulation to a newer home can pay for itself within a few years.
Add attic insulation existing home.
For diy attic insulation you ve got two choices.
Wear a long sleeve shirt gloves eye protection and a dust mask.
Well when you have an existing home and you already have attic insulation in there for you to use a spray insulation would require you to remove all of that and i think that you re probably going to be better off and just as cost effective to add additional insulation to the existing insulation that you have rather than completely remove and replace.
Remove any wet insulation.
Both can be added to uninsulated attics or layered over existing material.
Wet insulation can lead to mold mildew or even the rotting of your ceiling or roof rafters in fact you can add new insulation over the existing installation in other areas of your home not just the attic.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
And you don t even have to choose the same material used in your existing insulation.
Loose fill or batt the common term for blanket insulation.
Cost effective way to save energy with this old house general contractor tom silva.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.
How to install attic insulation over existing insulation you can install fiberglass batts yourself right over existing insulation but follow these precautions.
Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.
See below for a shopping list and tools subscribe to this old house.
2 block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the.
It needs to be unfaced.
Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.
Rent a loose fill insulation blower from a home improvement or hardware store.