The foil insulation goes on top of the moisture barrier followed by the roof covering.
Foil roofing felt.
New air permeable aluminum foil roof insulation underlayment roofing felt water vapour permeable breather membrane used for pitched roofing underlayment or steel construction.
If you take radiant barrier foil and sandwich it between the shingles and roof felt you have now created one solid assembly.
Aluminum is a unique element it is both reflective and very conductive.
This is one example why we cook with aluminum cookware.
This is followed by a moisture barrier which is typically 30 or heavier roofing felt or tar paper.
It conducts heat very well which is good for cooking but not so good for living spaces.
Uv resistant others as buyers requirements roof insulation underlayment breathable roofing membrane used under tiles and sheeted roofs over open rafters or on to fully boarded substrates.
This distinct feature along with its solid safety features makes it the best roofing underlayment for older homes.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
When we talk old homes we are talking about structures before the 90 s.
You may want to keep that in mind if your buying the orgill roofing felt.