Metal Roof Over Rigid Insulation

They keep your home at a comfortable temperature without the need to crank your heat.

Metal roof over rigid insulation.

Use duct tape to seal the seams and further protect against moisture air leaks. Rigid insulation is one of the best tools to reduce your energy costs. Avoids nails or screws which could penetrate the metal roof and cause leaks. You will need to hire some well trained roofing insulation experts to make a more energy efficient home.

I like rock all because of its higher r value fire and moisture resistance and good cost per r value 6. Jd i don t recall todd saying that he didn t like insulation just that metal directly over insulation i e. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. Use rigid foam insulation to cover wider spans of roof sheathing between joists.

Rigid foam insulation installation prepare roof deck. Payback is not the way to do it at least not in my. Place the sheets close together but don t let them overlap. The roof deck can be plywood metal concrete or wood planks.

The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants. The energy argument is argumentative. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. You can even place it under the foundation slab.

Adding the metal roof insulation can be done easily when you renovate your house. Rigid foam insulation also known as insulating boards provide high r values. Rigid board can easily be over torqued and mess with panel alignment. I agree to that extent and always recommend a solid deck or some sort of strapping to prevent this.

Vincent i live in a 100 year old adobe in northern utah and i installed a system of exactly what you describe except i put the roofing felt over the poly iso insulation and the metal roof is a modified standing seam from metal sales that has small corrugations that let a small amount of air to flow under the panel. Install rigid foam insulation over the entire surface of the roof. Install roofing over a wind barrier like spun olefin. According to the manufacturer s instructions install the metal roofing panels over the insulation.

Make a grid frame work of 2 dimensional to make space for the insulation. 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. Or you may also consider metal roofing over rigid insulation details even though it might be a bit pricier.