Special films with holes or slits and fleeces are suitable for protecting young plants from the cold they allow them to breathe The cold protection is fixed to the edges of the beds using stones or boards and is removed during the day or for watering

What is the correctly punctuated version of this sentence?
Special films with holes or slits and fleeces are suitable for protecting young plants from the cold; they allow them to breathe. The cold protection is fixed to the edges of the beds using stones or boards and is removed during the day or for watering.