A local government unit may not adopt less stringent standards for the installation of a manufactured home than those promulgated by the division. A local government unit may not, without express consent by the division, adopt different standards than the standards for the installation of a manufactured home promulgated by the division. Nothing in this section shall preclude a local government unit from enacting standards for manufactured homes concerning unique public safety requirements, such as weight restrictions for snow loads or wind shear factors, as otherwise permitted by law.