Insulating the floor on this Sprinter van that I am converting into a campervan.
I have used 25mm thick polystyrene sheets for the floor, and 50mm on the walls. I will also use 50mm on the roof of the van
Sound deadening mats: https://amzn.to/3tHPVx5
62mm SelfAdhesive Stick Pin https://amzn.to/3qMU69h
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