Testing Holz Prof. The left board is treated with our fire retardant, the right one is clean.

Nurgakivi saates 2018

Advertising on tv (rus) Holzprof – fireretardant
 
Nurgakivi saates 2013 Test on spruse
   
Test, Finland 2007 Fireretardant

Introduction in Finnish Holzprof Anti Rust 
 
 The fence processed by our product Holz Oil