Ventilation productsSteel supplies
Standards this line is built to
The designations below are cited by the products on this page. A specification is written in these, not in product names, so each one is set out with what it governs. Progress Horizon Trading supplies this line as an authorized distributor across Saudi Arabia.
ASTM A653
Hot-dip zinc-coated (galvanized) steel sheet, with the coating designations that set corrosion life.
EN 10346
The European standard for continuously hot-dip coated steel flat products, the counterpart to ASTM A653.
SMACNA HVAC Duct Construction Standards
The North American reference for how ductwork is built: gauge, reinforcement and sealing against pressure class. What a duct submittal is checked against.
ASTM A240
Chromium and chromium-nickel stainless steel plate, sheet and strip: the grade designations behind 304 and 316.
NFPA 96
Ventilation and fire protection for commercial cooking operations: the standard behind kitchen extract design.
AAMA 2605
The highest-performance class of organic coating for aluminium extrusions, specified where colour and gloss have to survive years of sun.
ASTM E84
Surface burning characteristics: the flame spread index and smoke developed index a material is classified by. Class A is the usual requirement in an occupied building.
UL 181
Factory-made air ducts and air connectors: the listing a flexible or fabricated duct carries.



