In April 2016, a team from the University of Surrey conducted experiments on Barrier-Plus materials at the ISIS pulsed neutron source at the Rutherford Appleton Laboratory. They used small angle neutron scattering (SANS) to understand the film formation of surfactant-free latex. These materials were labelled with deuterium, a heavy isotope of hydrogen, by the team at the Université Claude Bernard Lyon 1 and CNRS so that the molecular structure inside the barrier coatings could be revealed. At the left, we have the team working at ISIS at the Rutherford Appleton Laboratory. From left to right: Phil Richardson, Nacho Martin-Fabiani, David Makepeace, and Joe Keddie.