Marine Resin, Flowcoat, Gelcoat & Accessories

Composites Warehouse is Perth’s supplier of a comprehensive range of premium epoxy resin, clear casting resin, polyester resin, and vinylester resin. Along with a wide range of activators, gelcoat, flowcoat and fillers. We are conveniently located in O’Connor, south of the river, and close to Fremantle and Henderson. Our resins are suitable for most applications, and are available from small project packs, to 200kg drums for our trade clients working to a larger scale.

The majority of the resin and hardeners available are fibreglass resins, such as West System Epoxy Resin. Along with polyester resin for pool repairs, surfboards and more. Flowcoat, Gelcoats & vinylester resin are also stocked, along with specialist clear casting resin.

Epoxy Resin

Harder wearing and moisture resistant resin, with higher bonding capabilities suitable for projects and repairs that require epoxy versatility. Composites Warehouse prefer to stock the West System Resin, hardener & fillers range.

Used in the repair and manufacture of:

  • Composite Power Boats
  • Composite Yachts
  • High Performance Yachts
  • Fibreglass Boat Repairs
  • Timber Filling & Coating
  • Automotive Body Repairs

Available in Ltrs

Vinylester Resin

For use in applications where high chemical resistance, greater temperature tolerance. Vinylester Resins also have superior bonding properties making them an excellent choice for fibreglass repairs.

Typically used for:

  • Relining Fibreglass and Concrete Swimming Pools as part of the Restoration Process
  • Chemical resistant tanks
  • Protection and refurbishment of chemical plants
  • Manufacture of Fibreglass Swimming Pools
  • Avon Decent Boats
  • Kayaks and Surf Ski’s

Available in Ltrs.

Orthophthalic Polyester Resins (ORTHO)

General purpose fibreglass resins are an economic choice for simple repairs.

Used in the manufacture & repair of:

  • Fibreglass Automotive Body Panels
  • Sailing Dinghies and Tender Boats
  • Fibreglass Tractor Guards and Roofs
  • Pleasure Craft
  • Moulded Fibreglass Yachts
  • Fibreglass Water Tanks
  • Water Slides
  • Speedway Body Panels
  • Surfboards
  • SUP Boards

Available in Ltrs.


Gelcoat is a polyester coating applied to a mould as the initial layer of a fibreglass laminate. Used in the manufacture and repairs of:

  • Fibreglass boat hulls
  • Swimming pools
  • Spa pools
  • Automotive panels
  • Water tanks
  • Water Slides

Available in Ltrs.
Colours: A range of popular pigments are stocked, less popular colours available upon request.


Flowcoat is a polyester coating containing wax. It is used to finish a fibreglass laminate to create a non-tacky surface.

Used in the manufacture & repair of:

  • Boat hulls
  • Swimming pools
  • Spa pools
  • Furniture
  • Automotive panels
  • Fibreglass water tanks
  • Water Slides

Available in Ltrs.
Colours: A range of popular tints are stocked, less popular colours are available upon request.

Fillers & Modifiers

Fillers and Modifiers are used with resins and fibreglass to improve the working properties of the resin. Each provide a different purpose that assist in producing the desired finish.

A wide range of West System fillers and modifiers are stocked, suitable for use across the resin range:

  • West System Fillers
  • Q-Cell
  • Colloidal Silica
  • Flume Silica
  • Talc

Available in 1 Ltr – 4 Ltr packs.

Visit our Warehouse to see our full range of marine & industrial resin systems, gelcoats, flowcoats, fillers & modifiers. A selection of high-demand items can be ordered online.

Order Online

Shipping Rates: AUS ONLY. Dependant on Postcode