Don’t be kept at the marina when it’s time to be at sea.

Simweld – Marine Services

For boat repairs, plastic tank fabrication, fiberglass repairs, alterations, servicing and general marine servies.


Quality Marine Repair

Marine Services

SIMWELD contracting services is where you are assured of high quality workmanship and time efficiency.

Keeping the inconvenience of repairs to a minimum is my goal.

Robert Baron Knudsen (Rob) grew up around yachts and has been involved in boatbuilding, repairs and marine systems engineering for over three decades, working in South Africa, Norway and New Zealand.

Specialising in marine systems installations, boat repairs, modifications, maintenance, and customised ABS plastic tank fabrication services.

Rob Knudsen  call 021 459 540.

Comprehensive ABS Plastic Custom Fabrication

ABS plastics can be glued, filled, sanded and painted. ABS is also weather and saltwater resistant.

100% New Zealand custom fabrication of Kiwi patented ABS plastic articles designed and built according to customers’ specifications such as:

  • Marine, Motorhome and Tiny house – water, waste and fuel tanks.
  • Storage items such as: deck boxes, battery boxes, interior/exterior lockers and cabinets
  • Wet room lining.
  • Custom fabricated air-conditioning ducting, hatches, dinghies and much more
Plastic Welding at Home

OR …
Save a Fortune & Learn How to Fabricate it Yourself!

Simple ABS Plastic Fabrication

Learn how to make what you need from ABS plastic sheeting yourself, and save a fortune on labour costs.

“First time available to the public – Our unique, secret & simple to use Plastic Fabrication guide”.

 For a small fee, you can learn how to do-it-yourself. Learning my SIMWELD fabrication system will enable you to build articles from ABS plastic sheet.

Unique ABS fabrication method for the DIY & Marine Industry