Frequently Asked Questions

Delivery time depends on order volume and product type. Standard products are typically 7-14 working days. Custom products or large orders take 14-30 working days. We commit to the agreed delivery date with each client.

We comply with SMACNA (American) and DW144 (British) standards for ductwork construction. We hold ISO 9001:2015, ISO 14001:2015 and ISO 45001 certifications. We also comply with Egyptian building code and fire requirements.

We are manufacturers and suppliers — we do not provide direct installation services. However, we provide full technical support to the site installation team including detailed shop drawings and technical guidance.

We use extruded aluminium (6063-T5) for air outlets, galvanized steel (G-90 Z275) for ductwork and dampers. Stainless steel 304/316 is also available for special applications. All materials comply with ASTM standards.

Yes — we export to Gulf countries and Africa. We have participated in Big 5 Saudi and Big 5 Nigeria exhibitions. For export inquiries, contact our export team at +201210022956 or export@castle-ei.com.

You can request a quote via: 1) The quote request form on our website 2) WhatsApp Sales +201288012995 3) Email sales@castle-ei.com. We respond within 24 hours with details and pricing.

Yes — all our products are warranted against manufacturing defects. We maintain ISO 9001:2015 quality standards throughout all production stages with leakage and pressure testing before delivery.

There is no fixed minimum order — we handle both small and large project orders. For the best pricing, ordering full project quantities is recommended. Contact us and we will provide a custom quotation.