Why can t you add to the insulation that s already there.
Removing and replacing kickers in an attic.
How to remove bats from attic.
How to replace the blown attic insulation with closed cell foam.
Believe it or not there are situations in a home when you should remove the old attic insulation before adding more over the existing and in this short video.
The contractor can then cleanup any animal droppings and remove all insulation to prevent further contamination.
The first step to making sure it is safe to remove insulation from your attic is to clear the area of all contaminants look out for the following.
Killing them is both inhumane and will create an unlivable environment due to the smell of a colony of decaying bats.
To get them out identify their entry and exit points making sure not to seal them while the bats are inside.
Why remove blown in insulation.
Consumer product protection agency this is very important if your home contains insulation manufactured between 1930 and 1950.
Remove any trim or hardware around the existing attic opening verify that the opening is in good repair and double check your measurements to ensure you ve purchased the correct ladder size.
Birds squirrels rodents bats and any other wildlife should be removed and excluded before the attic is fully restored.
Blown in insulation is satisfactory for many unfinished attics as long as it doesn t get wet or compressed.
According to the u s.
Install the support boards with the deck screws to each header end of the opening according to the manufacturer s instructions.
You ve noticed that your insulation isn t doing its job anymore and realize it s time for a change.