Of course there are several other aspects that are more of a concern when deciding the correct insulation such as.
Non flammable foam insulation.
In addition to that it is non combustible meaning it is inherently fireproof and does not need to be treated with a fire retardant.
Handi foam astm e84 class 1 spray foam insulation is free of brominated.
Touch n foam 2 component spray foam expands and touch n foam 2 component spray foam expands and cures quickly to fill cavities gaps cracks expansion joints and other sources of air leakage in a building envelope.
Its ability to revoke air leakage.
Its ability as soundproofing spray foam.
Faced insulation is insulation that has a paper vapor retardant used for moisture control.
When insulating above a ceiling with non ic rated recessed lighting the least flammable material to use is rock wool also called mineral wool or slag wool.
When deciding whether spray foam insulation is right for you you need to consider whether it is flammable.
That being said some fiberglass facings such as kraft paper and foil are combustible.
About product and suppliers.
Conjunction with an astm e84 class 1 foam handi foam e84 class 1 spray foam insulation utilizes a non flammable non ozone depleting blowing agent for better safety for the user and the environment.