Tawreed fabricates galvanized steel ductwork (GI duct) at its factory in Birkat Al Awamer, Qatar, for HVAC contractors and engineering projects. The range covers rectangular, circular and oval ductwork, with quotations prepared from your bill of quantities and technical specifications — request a GI duct quotation.
Our GI duct technical submittal, available on request, includes a compliance statement against QCS 2024, Section 22, Part 06 (Ductwork and Air-Side Equipment) — request the technical submittal.
Frequently asked questions
Which standards is your GI duct made to?
Our galvanized duct is fabricated to SMACNA and QCS 2024 Section 22, from galvanized steel with a minimum zinc coating of 275 g/m² (BS EN 10346), with TDF flanges and Pittsburgh lock seams.
Which pressure classes do you fabricate?
We fabricate rectangular GI duct to the SMACNA gauge and joint tables for 500 Pa, 750 Pa and 1000 Pa pressure classes. The tables are in the GI duct datasheet on the product page.
Standard GI and pre-insulated (PI) duct orders are usually ready within 2 working days of order confirmation. Large or special orders are scheduled with you when we quote.
Is there a minimum order quantity?
No. We supply any quantity, from a single fitting to a full project.
Do you deliver for free?
Delivery is free within Doha for duct orders above 100 m² and for accessory orders above QAR 6,000. Delivery to other areas of Qatar is available; ask for the cost with your quote.
Do you only supply, or also install?
We offer both supply only and supply and installation.
How fast will I get a quotation?
Send your BOQ or product list through the quote form or WhatsApp (+974 7097 0111) and our technical team replies with a formal quotation within 4 business hours.
Need this category priced for your project?
Send your BOQ or product list — formal quotation within 4 business hours.