Animals love attics and usually damage the loft insulation. To prevent additional damage to the insulation, it is wise that you eliminate the animals once you identify they're there. That is where Animal Trapping services come into the role. To get more detail about the Animal Trapping services you may head to https://www.allstaranimaltrapping.com/.
To direct you here are ways on how to remove the animals from the loft.
Raccoons are extremely smart; thus, it's very tricky to catch and eliminate them from the loft. To easily capture them you will need to understand the holes they use to enter the space. After identifying the hole you need to place a cage trap close to the hole and trap the Raccoon
Rats are the most common creatures in attics. This is because they enjoy the loft space as it provides them with security and quiet. To know whether your loft has rats you just need to have a look at the fecal waste. Rats use feces to mark their territories; thus, if there are rats in the attic, you'll most definitely find the rats.
The easiest means of eliminating the squirrels from the loft is finding the holes they use to get in and out of the loft. You then need to set a trap close to the hole.