Frequently asked questions

For industrial and commercial buildings, we offer turnkey projects, industrial buildings, steel construction, reinforced concrete structures, space frame roof systems and engineering services. We can take on this work as a single package or separately.

We produce structural steel elements in our own fabrication workshop, which has 1,200 m² of covered area, on a ‘zero defects’ principle. Our own crew also carries out the erection on site.

For our steel fabrication, we hold EN 1090 and EN ISO 3834 certificates issued by DEKRA. You will find the full list of standards we apply on the Quality and certificates page.

It means we take on every stage of the building, from concept to completion, as a single company. You receive one quote, work with one point of contact and know the budget from the start.

Yes. Once the project is complete and payment has been made, our workmanship is covered by our lifetime guarantee under reasonable and normal conditions of use. Equipment, parts and elements used other than as intended are not covered by the guarantee.

We undertake to complete the work as set out in the signed quote or order, within the period agreed in advance. Changes to the specification extend the timeline; we agree any additional time together.

You can fill in the form on the Contact page, email teklif@prokoyapi.com.tr or call us on 0216 383 42 00.

Most of our projects are in Istanbul. We have also completed projects in Sakarya and Muğla, and abroad we have a project in Turkmenistan.

Yes. We also provide engineering services such as structural design, roof calculations, strengthening projects and financial analysis on their own.

You can send your CV to ik@prokoyapi.com.tr or choose ‘Job application’ as the subject in the contact form. All applications are reviewed carefully and kept confidential.