Position the fastening plates over the insulation board.
Install metal roof over foam board.
It is not the normal insulation type that can be rolled up.
Foil insulation is a radiant barrier and it works by.
Insert a plate every 2 square feet of insulation board.
Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement.
This is by far the most common way to install a metal roof.
It can be touted that foam batting material is the best one to pair with metal roof insulation.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Always begin working at the point with the longest peak to eave distance.
This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements.
Use a drill to drive.
Add the metal panels.
There are two ways to do this put in firring nailing though nails are not used any more for this strips or purlins in steel frame construction on the roof to support it or place the metal roofing directly on a flat surface like foam insulation board or the roof sheathing with roof water barrier in the correct position in the layer.
It can lie down perfectly under the metal roofing without having to deal with the hassle.
Take care the first piece is aligned precisely perpendicular square to the edge.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Leave gaps between panels.
Cut panels on roof.
Before doing any work with the metal roof insulation you should have it brought up onto the roof.
The installation of metal roofing is often easier and faster than other roof types and because of its simple design and generally large size can actually be installed directly on top of existing roofing materials like asphalt shingles and foam roofing.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
Insert 3 inch galvanized screws through the fastening plates.
Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch.
You can always install this foam on the inside and outside of the sheath.