key coat is a ready mixed mortar based on mineral bonding agent used for preparing cement based surfaces before rendering. It improves the adhesion of the new plaster, cement & gypsum based. It is applied on internal or external walls and ceilings, fair faced concrete, masonry blocks, and old cement based plasterhttps://www.sodamco-weber.com/plastering-mortars/products/pr...
Про теплую штукатурку:
http://tutknow.ru/building/uteplenie/7381-uteplenie-sten-izn...
Процесс нанесения слоев при штукатурных работах
https://books.google.it/books?id=L28IAwAAQBAJ&pg=PA865&lpg=P...