Bochemit QB Hobby

Bochemit QB Hobby - long-term protection of timber against mildew and both ligniperdous fungi and insects

Water dilutable wood preservative providing long term protection of wood and masonry in both interior and exterior applications. The product is designed for handymen and crafts enthusiasts. The agent can also be applied as a preventive protection of masonry against mould.


For surface impregnation of timber, roof trusses and other building wood for the construction and reconstruction for both indoor and outdoor purposes. It protects the wood against wood decaying fungi (including Serpula Lacrymans), mildew and wood decaying insects. The agent is suitable for the preventive protection of masonry against moulds and for the treatment of wood affected by dry rot.


  • coat
  • spray
  • immersion

The dry rot infested masonry shall be renewed by grouting.

Indication colour:

  • colourless
  • brown
  • green 


  • 1 kg of the concentrate = 12,5 m2  

Active substances:

Alkybenzyldimethylamonium chloride 
Boric acid 

Life span of performed protection: 

  • use class 1 and 2 (interior) – time unlimited
  • use class 3 (exterior) – no less than 10 years, followed by inspection of protection conditions in 2-year intervals

Type classification as per standard + EN 49 0600 – 1:

FB, P, IP, 1, 2, 3, D, S


1 kg, 5kg

Shelf life:

36 months 

Recommended concentrations of working solutions and minimum consumption of Bochemit QB Hobby

Use class 
according to ČSN 335
Concentrate dilution  
Application method
Interior (1-2)    33 % 1:2 80 g/m2 coating, spraying (1-2x)
20 % 1:4 80 g/m2  immersion (8h)
Exterior (3)*    33 % 1:2 160 g/m2 coating, spraying (2x)
20 % 1:4 160 g/m2  immersion (8h)

* only with the suitable top coat

Use biocides safely. Always read the label and product information before use.
Materials for download: 

Material Safety Data Sheet in English available upon request, please contact our Customer Service.

Are you interested in our product, or would like more information?

Please get in touch with us and we will be happy to help.

By phone or e-mail: 
Ing. Magda Macháňová
Customer service
Phone: +420 596 091 299

I need more information

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Wood impregnation and its use

Examples of objects treated with Bochemit.


Impregnation of wood and possibilities of its use

Find answers to questions about the effectiveness of wood preservation and its application.

We are proud members of the following institutions:

obrázek eurochlorAsociace českých a slovenských zinkoven    nanoprogres  Nickel REACH Consortia  nano asociace  Svaz Chemického Průmyslu ČR  Zinc Reach  Cadmium reach consortium  The European Chemical Industry Council