For electric powered box locations, just set up the MLV more than them but mark the areas so that you can return to them. For most effective benefits, use Putty Pads within the back with the boxes prior to the appliance on the MLV. Hello, I'm Liam, the founder of https://mass-loaded-vinyl-product40410.designertoblog.com/69940440/top-mass-loaded-vinyl-product-for-soundproofing-secrets