Metal Roof Installation Over Rigid Insulation

Install rigid foam insulation over the entire surface of the roof.

Metal roof installation over rigid insulation.

Roof edge detail overhang extended to hide the thickness of the over roofing rigid insulation. Insulating with spray foam insulation. You also need to add. No matter it is an office or a home a layer of metal roof insulation will give you a lot of benefits.

These boards are placed right under a metal roof panel and have to be fitted together. Space the screws about 12 in 30 cm apart. When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing. Rigid board rigid board insulation can be used anywhere within a dwelling including the foundation.

Place the sheets close together but don t let them overlap. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Installing metal roof insulation is not a difficult project. According to the manufacturer s instructions install the metal roofing panels over the insulation.

Use duct tape to seal the seams and further protect against moisture air leaks. Gable end detail overhang cut and then rebuilt to hide the thickness of the over roofing rigid insulation. The metal roof has been a very popular roofing material for some time but people have just started using insulation within the roofing system as a means to block out sound and keep heat in. For exposed fasteners avoid over tightening the fastener.

To help with energy conservation and noise pollution many office buildings and homes use metal roof insulation as a way to cut down on these issues. The rigid boards are made from panels of polyurethane and polystyrene the thicker the material is the higher the r value. Use rigid foam insulation to cover wider spans of roof sheathing between joists. Installed a new fully adhered membrane to the top of the old board sheathing prior to adding all that rigid insulation.

Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. Start at the bottom of the roof and place the first piece of rigid foam insulation against the metal flashing starting at the center line. Nail it around the edges with roofing nails. Use your neoprene washer head screws to secure the metal to the sheathing.