International Watertite boat putty

International Watertite boat putty
International Watertite boat putty
  • Epoxy boat putty
  • Extremely water resistant
  • Fast drying and 1:1 ratio

International Watertite is a fast drying 2-component epoxy putty suitable for use on polyester, metal and stable wood constructions. This epoxy boat putty is extremely water resistant, making this product very suitable for osmosis repairs. In addition, Watertite Boat Putty has a simple 1:1 mixing ratio (volume) and fills up to 20 mm thick without sagging.

Apply the shrink-proof Watertite epoxy putty easily to various surfaces with a putty knife. After application, Watertite can be overcoated very quickly with among others: Gelshield 200Interprotect and Primocon.  For overcoating times, see the properties and technical documentation.

Benefits of Watertite boat putty

  • Fast drying epoxy putty.
  • Extremely water resistant (suitable for osmosis repairs).
  • For use above and below the waterline.
  • Very strong and good adhesive properties.
  • Easy to use (1:1 mixing ratio).


International Watertite is suitable for use above and below the waterline on the following surfaces:

  • Aluminium / Zinc galavized
  • Cast iron
  • Polyester (gelcoat)
  • Lead
  • Steel
  • Wood

Product properties

Contents: 250 ml, 1 litre
Gloss: Matt
Density: 1.14
Volume % solids: 100 %  
Mixing ratio: 1:1 in volume (as supplied) 
Shelf life: 2 years
Method of application: putty knife
Recommended number of layers: 1-2
Practical yield: 0.2 m2/L
Processing time: 25 minutes
Sandable after: 4.5 hours (at 23°C)
Can be painted over:

  • Minimum after: 4.5 hours (at 23°C)
  • Maximum after: unlimited
For more information on International Watertite please check the technical documentation or the safety sheets A & B.

We have a number of recommendations for working safely with polymers. At Polyestershoppen you will not only find the polymers themselves, but you can also purchase all the protective equipment you need from us. If you have any doubts or questions, please contact our customer service. We can give you advice on how to work safely with polymers.

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