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Marine Repair Boatyard


GRP Moulding Workshop


GRP Work Shop Production 


Osmosis Treatment Centre

  Established for over 40 years, we have a lot of design and production experience in all aspects of boat repair, GRP marine work, mouldings design and production.

  Trade Enquiries: We welcome trade enquiries from all contractors in all fields and are pleased to supply materials and technical advice.


  Some of our key staff have over 25 years experience within the industry, we see this expertise as our greatest asset.



Marine Repair and Glass Fibre Mouldings Specialists




  Fibreglass (or GRP) lends itself to a wide range of designs from building super-yachts, dormer windows and flat roofs, to swimming pools, fish tanks and architectural columns.


  GRP offers stability, lightness, strength and many different finishes & colours.

  At Rosden's, we have over 40 years experience in GRP fabrication and the design and construction of custom-made moulds, shapes & architectural components