Mining or Mineral Processing Foams are used in the mining industry as insulators for conveyor ways or to insulate and seal shafts to prevent water ingress. Coatings are commonly used in conjunction with medium density foams. Need professional Spray Foam Insulation services in Winnipeg? Penta Protective Coatings is Western Canada’s largest Spray Foam Contractor. Call us today! We look forward to hearing from you!