Find and Fix leaks

A penetrating sealant for hairline cracks

Captain Tolley

Traces and fills hairline cracks

Most leaks are caused by tiny cracks, often hidden to the eye. Formulated to be thinner than water, Captain Tolley’s actively draws into them using capillary action. Once in place, it makes a strong waterproof seal

Use on land and sea

Captain Tolly Uses
  • Portholes
  • Hatch Seals
  • Deck Fittings
  • Read More
Captain Tolly Uses
  • Window Seals
  • Rivets
  • Seams & Trim
  • Read More
Captain Tolly Uses
  • Worktop Joints
  • Ceramics
  • Window Fittings
  • Read More
Captain Tolly Boat

Quick and Easy to use

Unlike normal glues and sealants there's no need to take anything apart. Just apply the sealant and it will travel to where it's needed

Captain Tolly Boat uses Captain Tolly Boat uses
Judge Me
  • "Gets into holes and cracks
    no other sealants can"

    Yachting World

  • "It works its way into
    invisible openings and sets
    - a holy grail"

    Griff Rhys Jones
    (comedian & serious sailor)

  • "Enables you to find your
    leak and fix it without having
    to tear things apart"

    Power & Motor Yacht

Our Story

Captain Tolley’s was developed by Peter ‘Tolley’ Jordan, an ex-ship’s captain with 30 years of experience at sea. Skippering boats in all conditions he discovered most leaks weren’t caused by large obvious gaps but by small, hard to fix hairline cracks…

Captain Tolly Together

Buy Now
dependable since 1986
Credits Captain Tolley 2017