Provided is a multi-layered reinforced wood material which is excellent in fire resistance, has extremely small damages on a support wood material part, and is also excellent in strength. The present invention is directed to a multi-layered reinforced wood material A for use as a building material, the multi-layered reinforced wood material A including a support wood material part 1 for supporting load, a sheet part 3 attached to the periphery of the support wood material part 1, an inflammable wood material part 2 attached outside the sheet part 3 so as not to expose the sheet part 3, wherein the inflammable wood material part 1 is made of a wood material containing therein an inflammable agent, and the sheet part 3 is made of a fiber reinforced plastic.

The present invention relates to a composition for increasing the retention of a biocide in a glueline-treated glued-wood product, a method for increasing the retention of a biocide in a glueline-treated glued-wood product, a glueline-treated glued-wood product, a glue for producing a glueline-treated glued-wood product, and the use of a composition for increasing the retention of a biocide in a glued-wood product.

The invention relates to the use of penflufen for protecting wood and wood-comprising materials against wood-destroying basidiomycetes.

The invention relates to the use of penflufen for protecting wood and wood-comprising materials against wood-destroying basidiomycetes.

Disclosed is a modification solution comprising -furfuryl alcohol; -a diluent; -a fire retardant, and -optionally a stabiliser, wherein the fire retardant comprises: -one or more nitrogen resins; and -phosphoric acid; a method of preparation thereof and wood modified therewith to achieve improve fire retardant and decay properties.

Disclosed is a modification solution comprising -furfuryl alcohol; -a diluent; -a fire retardant, and -optionally a stabiliser, wherein the fire retardant comprises: -one or more nitrogen resins; and -phosphoric acid; a method of preparation thereof and wood modified therewith to achieve improve fire retardant and decay properties.

A filler material is applied to a plurality of wood elements. The plurality of wood elements is bonded into a composite wood product, where the bonding includes delivering ultrasound energy to the plurality of wood elements. The ultrasound energy has a frequency within a frequency range of 10 kHz-20 MHz.

Stable wood preservative formulations comprising an amine copper complex, an azole compound, a cationic surfactant, and optionally, an organic solvent, are disclosed. The wood preservative formulations exhibit long-term stability and remain homogeneous, without the need for agitation.

Stable wood preservative formulations comprising an amine copper complex, an azole compound, a cationic surfactant, and optionally, an organic solvent, are disclosed. The wood preservative formulations exhibit long-term stability and remain homogeneous, without the need for agitation.

A synergistic aqueous wood preservative composition comprising a copper compound and penflufen. The copper compounds of the compositions of the invention may be soluble, partially solubilized or micronized particles. The penflufen of the compositions of the invention may be solubilized, emulsified or particulate. The wood preservative compositions of the present invention are surprisingly provided as stable dispersions and confer surprising and unexpected resistance to treated wood and wood products.