Raw materials for the manufacture of wooden supports:                     

pine ordinary 1 and 2 grades according to GOST 9463-2016, harvested in the northern regions of Russia.                     

Impregnation process:                     

in the high pressure autoclave by the method (vacuum-pressure-vacuum).                     

Impregnating composition:                     

water-soluble antiseptic of the SSA family                                      

Antiseptic penetration depth:                     

85% - 100% of the width of the layer of sapwood according to GOST 20022.0-2016                                                                

Amount of antiseptic contained in wood:                                                       

not less than 11 kg per m³. wood                     

Marking:                                                       

supports are marked with tags indicating the manufacturer, length, class of support, type of antiseptic, year of manufacture and batch numbers.                     

Service life in contact with soil:                     

at least 50 years from the date of installation.                     

Factory warranty:                     

10 years from the date of delivery