Be certain what you sell and fix - choose elements which possess certificates – collect your installation without any problems.
- Hygienic certificate on rectangular ducts and fittings
It does not depend whether it is hospital, swimming pool, dairy, house or office – galvanized, acid-resistant and aluminum ducts always alike clean and safe.
- The fire classification for flex ducts
Use for ventilation and fire-places - you can be sure non- flammable installation
- Swedish technical approval SITAC on tightness class D
Save machinery power and improve building’s energy-savingness thanks to more leakproof connection of round ducts
- ITB technical recommendation for assembly system
Save money and be sure of the assembly system. The certificate includes - T-roads, clamps, suspensions of type L, V and Z, mounting profile, assembly clamping rings and other elements of assembly system.
All certificates are available on our web page www.alnor.com.pl/certyfikaty.html - and are valid only with copy of invoice.
