Bochemit QB
A concentrated with water dilutable wood and masonry preservative. The product has been designed for impregnation of construction timber for interior and exterior applications. When used in the exterior, it is recommend apply the product using the method of long term soaking or apply a finishing coat. The product provides the timber with long term protection against wood decaying insects, wood decaying fungi and mildew. It provides also preventive protection of masonry against mould.
Use
For surface, semi-deep and deep impregnation of timber, roof trusses and other building wood for construction and reconstruction works both indoors and outdoors. It provides long-term protection of wood against wood decaying fungi (including Serpula Lacrymans), mildew and wood decaying insects. For preventive protection of wall against moulds and maintenance of masonry affected by Serpula Lacrymans. Additional coats may be applied after drying up.
Type specification according to ČSN 49 0600 - 1
FB, P, IP, 1, 2, 3, D, SP
Application
Apply using a brush, spray, immersion and pressure impregnation. Dry rot infested masonry shall be grouted when renewing.
Active substances, appearance
Alkylbenzyldimethyl ammonium chloride ......................... min. 18 %
Boric acid .................................................................. min. 18 %
concentrated low-viscosity aqueous solution clear liquid or coloured versions of liquid (green, brown and yellow indication colour).
Expiracy
36 months
Packaging
5 kg, 15 kg, 50 kg, 500 kg
Recommended concentrations of working solutions and minimum consumption of Bochemit QB
Hazard class EN 335-1 | Dilution Bochemit : water | Min. concentrate absorption (g/m2) | Application method |
Interior (1-2) | 1:6-9 | 20 | paint, spray (1-2x) / dipping |
1:99 | 5 kg/m3 | vacuum-pressure |
Exterior (3) | 1:6-9 | 40* | paint, spray (2x) |
1:19 | 50 | dipping |
1:49 | 15 kg/m3 | |
Masonry protection | 1:9 | 40 | paint, spray (2x) |
Treatment (Serpula lacrymans) | 1:9 | 50 | grouting |
* only with suitable top coat