Trvanlivost dřeva a materiálů na bázi dřeva - Stanovení účinnosti fungicidů na zdivo k zabránění růstu Serpula lacrymans (Schumacher ex Fries) S.F. Gray do dřeva - Laboratorní metoda (Norma k přímému použití jako ČSN).
NORMA vydána dne 1.1.2021
Designation standards: ČSN EN 12404
Classification mark: 490678
Catalog number: 511094
Publication date standards: 1.1.2021
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN
This document specifies a method for determining the performance of a preservative, applied to the upper surface of the mortar test specimens, in preventing the growth of dry rot through the treated mortar when exposed to the test fungus. This method is only applicable to masonry fungicides applied as a true solution of the preservative in water or dilute oil in water emulsion. It is not applicable to rods, pastes and other similar preservative types. This method is applicable to preservatives applied to masonry by brushing, spraying and/or injection techniques or mixed into rendering and plastering mortar for masonry