Many of people do believe, that polyuretahne foam is flammable material.
We can assure, that it is not so!
Typically foams having fire behaviour class E according EN standart and by DIN it has class B.
We have great certified solution which is giving according EN standart Bs3 d0.
You just simply spray water based firecoating type A on to the pu- foam surface or hand apply with roller or brush in
2 layers and you have solution which do not afraid opened fire and can endure more than 30 minutes.
Such solution is budget friendly and it´s easy to install.