Welcome to the catamaran design website of Derek Kelsall.
With over 40 years of specialising in Catamarans and composites, and developing the KSS (Kelsall Swiftbuild Sandwich) custom build process for professional and
home boat builders, Kelsall Catamarans is the world leader in this field.
Build with KSS and achieve an
Efficient
Practical
Logical
Stylish
No compromise
BUILD SOLUTION
Design Plans
Arrangements
Resin Infusion
Frames for Half Hull
Shaping and Lamination
Modular Assembly
Part One of Derek Kelsall's Story in Latest Issue of Australian Multihull World Magazine