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.

For woollen and wool-blend fabrics, the Nortex range has a separate impregnation, Nortex-Sh; the permissible share of synthetics is up to 60%. The fabric is dipped in the compound or treated by mechanical spraying, and the appearance of the material does not change. The result is a hard-to-ignite fabric under GOST R 50810 with ratings D2, T2; the compound was certified in 2025. The work is interior, with service up to +50 °C; fire protection lasts 5 years, and re-treatment is needed after washing.
| Manufacturer | NORT (Pirilax) — OOO NORT |
|---|---|
| Fire protection performance | hard-to-ignite fabrics (GOST R 50810-95, except clause 5.3); not classed as easily ignitable (GOST R 53294-2009); D2, T2 (GOST 12.1.044-89) |
| Application | fabrics, roofing and other materials |
| Service conditions | interior work; up to +50 °C, without direct contact with water; re-treatment after washing; fire protection 5 years |
| Base | fire and bio-protective impregnation compound for woollen and wool-blend fabrics (synthetics up to 60%) |
| Colour | does not change colour, pattern, texture |
| Packaging | 23 and 48 kg |
| Application method | dipping or mechanical spraying |
| Shelf life | 5 years |
| Standards | GOST R 50810; GOST R 53294; GOST 12.1.044; GOST 9.802 |
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.
Acrylic water-dispersion interior paint with fire hazard ratings G1, V1, D1, T1 on a non-combustible substrate.
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Impregnation for timber with fire protection performance groups I and II and an enhanced antiseptic, for exterior and interior work.
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