Metal Roof Over Rigid Insulation

Avoids nails or screws which could penetrate the metal roof and cause leaks.

Metal roof over rigid insulation.

Install roofing over a wind barrier like spun olefin. Rigid insulation is one of the best tools to reduce your energy costs. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. Adding the metal roof insulation can be done easily when you renovate your house.

Rigid foam insulation installation prepare roof deck. They keep your home at a comfortable temperature without the need to crank your heat. You can even place it under the foundation slab. Make a grid frame work of 2 dimensional to make space for the insulation.

I like rock all because of its higher r value fire and moisture resistance and good cost per r value 6. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. The energy argument is argumentative. The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants.

Fill this space completely with insulation. Payback is not the way to do it at least not in my. Rigid board can easily be over torqued and mess with panel alignment. You will need to hire some well trained roofing insulation experts to make a more energy efficient home.

The rigid insulation over roof would have controlled the temperature of the condensing surface the underside of the roof deck so that i would not have had to use the spray foam except at the perimeter to provide the air seal to the tops of the walls. Rigid foam insulation also known as insulating boards provide high r values. Place the sheets close together but don t let them overlap. Use rigid foam insulation to cover wider spans of roof sheathing between joists.

Use duct tape to seal the seams and further protect against moisture air leaks. I agree to that extent and always recommend a solid deck or some sort of strapping to prevent this. Install it anywhere from the roof to the foundation. The roof deck can be plywood metal concrete or wood planks.

Or you may also consider metal roofing over rigid insulation details even though it might be a bit pricier. According to the manufacturer s instructions install the metal roofing panels over the insulation. Install rigid foam insulation over the entire surface of the roof.