Crib 5, Crib 3 FR treatment – is it OK to mix these? inter liner fabric

Sonny's Crib
Image via Wikipedia and not too much to do with Crib 5!

“Is it OK to mix Crib 5 and Crib 3?” was the question. The client further explained that they planned to use a Crib 5 inter-liner and a Crib 3 fabric and was this OK in a restaurant?

I think the uncertainty existed as sometimes with domestic usage interlining can help with meeting FR needs.

However for non-residential spaces that is NOT the case.

The Crib5/Crib 3 mix would have been OK in an office type environment where Crib 3 was required however in a public space this is certainly not acceptable and so a different fabric is needed that is inherently Crib 5 or can be treated to Crib 5.

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Related Information:

Crib 7

Crib 5

UK and European FR

USA FR

 

 

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