In the past we have installed systems for vinyl storage and been met
with very mixed assessments of the criteria it should fall under by
members of this forum and various Engineers of Record. Recently we posed
an RFI to an Arch and Eng design team that stated that at least one
vinyl siding product had a flame spread of 25 or less and therefore
would not create a need for protection under an exterior canopy. I have
never heard this before now.
So the question is that if there is an exterior walkway covered with
typical everyday plain old vinyl siding at the ceiling: would sprinklers
be required if this were the only questionable component?
There are a myriad of existing such situations in which we happen to
find ourselves at the present time and determining the manufacturer and
exact material would be virtually impossible.
Thanks for the help as always!
--
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