Abstract: The present invention relates to a composition for use as an agent or concentrate for the preservation of wood and wood materials, which comprises 0.05 to 25% by weight of a 1-aryl-3-hydroxy -3-alkyl-4-(1,2,4-triazol-1-yl)-butane derivative and 0.002-5% by weight of a pyrethroid insecticide comprising cyano-(4-fluoro-3-phenoxyphenyl) -methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate, (.+-.).alpha.-cyano-3-phenoxybenzyl (.+-.)-cis,trans-3-(2,2-dichlorovinyl)-2,2 -dimethylcyclopropanecarboxylate, (S).alpha.-cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate or 3-phenoxybenzyl (.+-.)-cis,trans-3-(2,2-di-chlorovinyl)-2,2-dimethylcyclopropanecarboxylat e or enantiomeric compounds thereof and more than 40% by weight of a solvent and/or diluent as well as, if appropriate, an organic chemical binder and/or fixing agent, processing aids, dye, pigment, dye mixture or pigment mixture.

Abstract: An aqueous composition for preserving wood and wood materials comprising a fungicide selected from the group consisting of 1-[[2-(,4dichlorophenyl-4-propyl-1,3-dioxolan-2-yl]methyl]-1H-1,2,4- triazole, (common name propiconazol) and .alpha.-[[2-(4-chlorophenyl)ethyl]-.alpha.-(1,1-dimethylethyl)-1H-1,2,4-tr iazol-1-ethanol; a fungicidal carbamate; namely 3-iodo-2-propynylbutyl carbamate or methyl benzimidazol-2-ylcarbamate; a stabilizer, 2,2,4-trimethyl-1,3-pentadiol monoisobutyrate, and a diluent. The composition can optionally comprise an insecticide, an emulsifier, a wetting agent and an organic-chemical binder or fixing agent.