HotVac Hull Cure Boat Hull Moisture Vacuum Drier Dries boat hulls in days The best way to treat osmosis blisters
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Hotvac is an agent for 3M products
Visit the Gelplane International Website, suppliers of the Gelplane Gelcoat Peeler for professional osmosis treatment
Visit the Craythorne & de Tessier Website, online retailers of stainless steel marine tools and boat accessories

HotVac treats boats by…

  • The thorough removal of absorbed water from affected hulls.
  • The removal of acids, glycols and other organic compounds that cause corrosion, glass to resin bond weakening, delamination and blistering.

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HotVac operates by....

The intimate application of controlled heat under high vacuum conditions directly to the surface of the boat's hull. This has the effect of significantly reducing the vaporisation temperatures of the moisture and other compounds that need to be removed from deep within the laminate of a GRP hull if a lasting cure is to be achieved. Residues resulting from the breakdown of the polyester resin and PVA binders in the hull are bound to the composite by free glycols. Under HotVac conditions, they move to the surface by a process of activated diffusion prior to their subsequent vaporisation. HotVac heaters are held intimately in place against the boat's hull and apply heat very uniformly to a tolerance of ±1°C. The high vacuum serves three functions.

  • It lowers the vaporisation temperature of moisture and impurities
  • It pumps away these materials as a vapour (so no surface contamination to clean)
  • It ensures that heat is uniformly and intimately applied to the hull.
HotVac Hull Cure - the solution for osmosis problems, boat pox and drying wet boat hulls
Hotvac UK HotVac (UK)
5 Sawmill Yard
Blair Atholl
PH18 5TL
Tel: +44 (0) 1796 482104
Fax: +44 (0) 1796 482111

HotVac USA HotVac (USA)
Boat Services Inc.
1866 Ottawa Beach Road
Holland, MI 49424

HotVac Spain HotVac (Spain)

Registered Address: PMW Enterprise Ltd, 59 Cowbridge Rd East, Cardiff, CF11 9AE
Registered In England And Wales No: 3574857 VAT No: 729063723
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