No Nonsense Champagne Expanding foam 300 ml. This 300ml expanding foam from No Nonsense has been specially designed for filling fixing & insulating wood metal plastic & masonry. It comes in an easily storable & transportable aerosol & expands to the exact size of the cavity you need filling. If you're using it during redecoration projects it's sandable & paintable making it perfect for giving a smooth professional finish once dried.