Add an optional Metals USA™ INSULATE-R™ Roof Insulation System to your Patio Cover or Carport as an efficient and cost-effective way to improve the insulation properties of your existing roof. This combination of polystyrene foam sheeting and aluminum panels will all but eliminate condensation and keep your covered area cooler and more comfortable. It even provides sound insulation while discouraging water infiltration. INSULATE-R™ is available in ribbed or smooth finishes.