Sealing coating for roofs

摘要

Sealing coating for roofs comprises a mixt. based on polyisocyanate resins (I) crosslinked with polyamines (II) and a reinforcement consisting of a fine mesh net together with a complex reinforcement comprising a glass mat with a surfacing layer of glass net, the mixt. opt. also contg. 25-40 wt.% w.r.t. (I + II) of plasticisers (III) and/or 5-20 wt.% w.r.t. (I+II+III) of mineral pigments and/or 25-55 wt.% w.r.t. (I+II+III) of mineral flours, and also contg. 0.05-1.0 wt.% w.r.t. (I+II+III) of one or more deflocculating wetting agents comprising salts of polyaminamides with acid esters.