How To Properly Insulate Old Porch Roof Metal Roof

Insulating with spray foam insulation.

How to properly insulate old porch roof metal roof.

Avoids nails or screws which could penetrate the metal roof and cause leaks. This is often accomplished using vinyl backed fiberglass insulation to prevent humid air from coming into contact with the cooler metal roof which may be at or below the dew point. What s the best approach to insulating this. Large foam insulation sheets can be nailed directly against the floor above or held in place by chicken wire or other metal elements with the facing against the underfloor.

It would go hand in hand with applying some sort of paneling to the interior side of the roof to hide the insulation and provide a bit more of a finished look. If you experience extensive condensation in the future chances are the insulation has detached from the top plate. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. Ya the new pressure treated wood they took out arsnic and added more copper will eat through any metal.

Thats why people use the ceramic deck screws. Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement. Use rigid foam insulation to cover wider spans of roof sheathing between joists. Polyurethane spray foam metal roof insulation in order to add moisture barrier under metal roof you can spray the undersides of the roof by using a thick layer of polyurethane spray foam.

For the same reason insulation shouldn t touch the roof s underside. If you re willing to invest some more consider an insulated porch roof. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away.

A pair of ceiling fans is also being considered. It will help you to eliminate problems that may come when the house becomes extremely cold in the winter and terribly hot in the summer. This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements. Traditionally condensation is managed by insulating the metal roof so that the panel temperature never reaches the dew point.

The foil will reflect the heat from the roof and the foam will keep any cool air down you will also be able to keep the airspace which is absolutely essential with the steel roofing. Cut panels on roof. But for insulation i would tack up some 1 foil faced rigid foam sheeting and then cover it with wafer board or plywood which you could paint or whatever. Before doing any work with the metal roof insulation you should have it brought up onto the roof.