There are many ways that you can trap animals but live catch and release traps are the best because they re humane and they re available in a wide range of sizes.
How to seal you attic space.
Air seal your attic for energy savings.
Long piece from a batt of fiberglass insulation and place it at the bottom of a 13 gallon plastic garbage bag.
As a result you can reduce the temperature in your attic by a lot anywhere from 120 degrees to around 95 during peak summer.
If you want you can even transform a spray foamed attic into a finished space.
If it gets colder than that the bats in the attic will migrate out allowing you to seal up cracks and other entry points once they leave for the season.
Set up traps for the animals in your attic.
Use spray foam to air seal these openings if they exist.
Fold the bag over and stuff it into the joist space under the wall.
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.
Most people just add insulation to their attic this will not stop the escaping warm air.
In this case find the entry points which are often marked with an accumulation of guano or.
If you live in an area with mild temperatures throughout the year the bats will stay year round.
From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area.
Plug all open joist spaces under insulated side walls.
When you insulate the top of your attic with spray foam you re bringing your attic into your home s envelope.
Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money.
Better yet there are high quality products such as the attic gator designed to both seal and insulate attic access doors and scuttle holes.
Apply weather stripping to the door to create a seal.
Plan to pull up the flooring and layer new insulation on top of the old.
Once you have the materials you can begin to seal and insulate the knee wall access door through these steps.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Heated rooms built into attics often have open cavities in the floor framing under the walls.