Pirilax®-Classic fire and bio-protection for timber
Bio-fire retardant impregnation for timber: fire protection performance groups I and II, exterior and interior work, treatment down to −30 °C.

The Pirilax-K45 + Krasula kit is rated not by fire protection performance group but by the performance of the structure itself: fire hazard classes K0(15), K0(30), K0(45) and fire resistance of up to 15, 30 or 45 minutes. It is used for internal and concealed timber structures, including long-span ones; the service life is up to 25 years. The finish can be matt or glossy, and tinting is done only at the factory. In addition, the kit acts as a medium-efficiency antiseptic.
| Manufacturer | NORT (Pirilax) — OOO NORT |
|---|---|
| Fire protection performance | fire hazard classes of structures K0(15), K0(30), K0(45); fire resistance up to 15, 30, 45 minutes |
| Application | timber |
| Service conditions | internal and concealed timber structures, including long-span ones; service life up to 25 years |
| Colour | matt or glossy finish; tinting only at the factory |
Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.
Bio-fire retardant impregnation for timber: fire protection performance groups I and II, exterior and interior work, treatment down to −30 °C.
Pirilax-Special fire and bio-protection over varnishes and paints with Krasula Aqua Top protective varnish: groups I and II, wood colour unchanged.
Ready-to-use fire and bio-protection solution for timber, glulam, LVL, OSB and plywood: fire protection performance groups I and II.
Fire and bio-protective impregnation for carpets with polyamide and polyacrylonitrile pile: ratings V2, RP1, D2, T2.
Fire and bio-protection of timber in baths and saunas: fire protection performance groups I and II, softwood service up to +110 °C.
Impregnation for timber with fire protection performance groups I and II and an enhanced antiseptic, for exterior and interior work.