5 Best Of How To Insulate The Roof Of A Metal Building Best Resolution Image. In this case simply lay the insulation between the purlins. The roof system is then installed over the metal building roof insulation.
The first lay of faced insulation is installed perpendicular and over top of the roof purlins. Use Prodex 48 Inch Fast Action 72 Inch 10M White Rustic Reflective Bubble Reflective or Foil Fiberglass Vinyl. The panel attachment in combination with the purlin or truss structure will secure the insulation.
Insulation hangers keep the batt insulation firmly in place.
Ensure good air circulation. Insulating a New Metal Roof Step 1 Install plywood or oriented-strand board OSB to act as structural roof sheathing. Use fans to increase evaporation if necessary. The roof will then be insulated and ready for the installation of the metal roofing.