moisture in the rockwool roof heat insulation and it will Fungal and drastic deterioration of insulation factors, because water conducts heat 25 times better than air
unyevu katika joto ya rockwool paa na itakuwa vimelea na kuzorota kwa kasi ya sababu insulation, sababu maji inafanya joto mara 25 zaidi kuliko hewa .