After cleaning the existing roof the spf roof can be applied directly over asphalt shingles concrete metal and wood.
Spray foam metal roof.
With building code compliance and sustainable building envelopes at the forefront in today s marketplace spray polyurethane foam insulation spf applied to single skin metal roof and wall panels is an alternative to insulated metal panels with a manufacture applied polyurethane foam core.
It will help you to eliminate problems that may come when the house becomes extremely cold in the winter and terribly hot in the summer.
Http www tigerfoam ca using tiger foam spray foam for a metal roof overhead application.
Polyurethane spray foam metal roof insulation in order to add moisture barrier under metal roof you can spray the undersides of the roof by using a thick layer of polyurethane spray foam.
This construction approach was first used in the 1970s and it has been implemented much more widely since it was first included in the international code council s icc model building code in 2007 irc section 806 4.
We ll add a vapor barrier so the moist air does not flow up through the insulation and condense on the roof.
The problem with using.
In retrofit or re roof applications the foam can be applied directly to the existing roof in many cases.
But a preinstalled membrane may be even more effective at removing condensation.
Spray foam is a great fit for both new construction and retrofit applications.
Traditionally we ve insulated the roof panel to try and keep the temperature on the panel from reaching the dew point.
Spf roofs are installed by spraying a liquid on the existing roof and allowing it to expand into a foam.