%0 Journal Article %T Investigation of vapour permeability of films based on mastics of different composition %A Dobrokhotov, V.B. %A Egorov, E.S. %K mastic composites, compositions, curing, vapour permeability of films, layer thickness, cement-sand mixture %J Smart composite in construction %D 2025 %N 6 %P 12 %I Yaroslavl State Technical University