According to the manufacturer s instructions install the metal roofing panels over the insulation.
Steel roof with insulation.
You can insulate a new or existing metal roof using a variety of different techniques.
Both materials make a great physical barrier between the interior building and the metal roof.
The best material for use with metal roof insulation is in the form of foam batting.
Lay the plywood perpendicular to the roof joists and fasten it in place using galvanised or stainless steel roofing nails.
The levels of insulation can vary depending on what you opt for with more expensive products offering even more refinement and a greater insulative effect.
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Install plywood or oriented strand board osb to act as structural roof sheathing.
This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass.
Lay the plywood perpendicular to the roof joists and fasten it in place using galvanized or stainless steel roofing nails.
Fiberglass batts or glass mineral wool metal roof insulation the most common material used for an insulating metal roof is fiberglass batts or glass mineral wool.
Use duct tape to seal the seams and further protect against moisture air leaks.
Install rigid foam insulation over the entire surface of the roof.
Insulation directly under your metal roof is one of the most effective ways of controlling condensation temperature and reducing unwanted noise.
The batts are located side to side on the rafter of the roof.
Insulating a new metal roof step 1 install plywood or oriented strand board osb to act as structural roof sheathing.