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Company profile
Founded in 1948, Sif, is a company with a solid track record. From a purely manufacturing company of large, thick tubular steel structures, the company has transitioned towards a total solution provid...
Production Process
Our core competence is the serial rolling, automated welding and coating of extremely thick plates to create unique tubular offshore foundations, such as monopiles and other foundation components. In ...
Quality
As the product designs are more critical, the acceptance levels are driven to the most stringent product requirements, therefore Sif has extensive quality processes in place for every step of the prod...
People at Sif
Our people – dedicated, competent and solution-oriented – are our most valuable asset. The older and younger generations at our company share a drive to consistently deliver the best results and remai...
Media
Because Sif is a listed company and has contractual agreements with clients, we must be careful with information that we share with third parties.
Therefore, we apply strict guidelines for taking phot...
Capacity & Competences
Sif currently has two manufacturing facilities in the Netherlands equipped with 47 Sif-designed welding machines and 8 plate rollers. The Roermond plant, which covers more than 100,000 square metres...
Monopiles & Transition Pieces
There are several types of foundations for offshore wind energy projects. The type that is used depends on a number of factors, including water depth and the soil composition of the seabed. Monopiles ...