- Fire retardent cedar roof

Dear Shell,

Do you know of a fire retardant that can be applied to an existing Cedar roof?

Thanks, Norman

Dear Norman,

There have been products sent to my office for testing such as applied after building fire retardants. In all cases I send them to my lab support to be tested. My information has always come back that the only way to apply fire retardant to cedar roofs is before roof application.

It's just that easy.

Article courtesy of: Shell Busey

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