LWA Gelcoaters


Gelcoat Equipment for use in open or closed molding processes

GS Manufacturings’ line of LW Gelcoat systems accurately mixes polyester gelcoat and MEKP (methyl ethyl ketone peroxide) using heavy duty stainless steel gelcoat pumps combined with our 316 sst catalyst slave pump and our reliable gelcoat guns. Our systems deliver an even thickness for low and high volumes of gelcoat while maintaining a soft spray pattern ensuring you a high quality end product.

Examples of industries using our equipment are Automotive- after-market parts, truck canopies, large truck parts, camper shells,Marine -boats, personal watercraft, Tank manufacturing- corrosion, chemical, waste water, Amusement Parks- water slides, rides and rock walls, and Home building- bath tubs, hot tubs, jacuzzis, swimming pools.

  • Low emissions
  • Famous LWA1000 gun with air trigger
  • External mix
  • Soft spray pattern
  • No lead lag
  • Low maintenance
  • GS MEKP Slave System
  • Pail mounted units
  • Portable - 5 or 55
  • Multi color units with no solvent purge easy color change
  • Optional heaters



LWA97-55: Bracket mounted, 15:1 pump w/ siphon assembly for pails or drums

LWA97-C: Small cart mounted, 15:1 pump for 5 gallon pails

LWA-22: Mast mounted, 22:1 pump w/ siphon assembly

LWA-22-C: Cart mounted, 22:1 pump for 5 gallon pails

LWA-22-55: Cart mounted, 22:1 pump for 55 gallon drums

Standard Components:
  • Gelcoat pump assembly
  • LWA1000 external-mix gun
  • S1000-97 MEKP slave assembly
  • 25 foot hose set
  • All regulators/hardware
  • Gun rebuild kits
System Specifications:
  • Air - 100 psi @ 10 cfm
  • Pump - 15:1 ratio @ 1 gpm w/ siphon assem.
  • Hoses - 25 ft.
  • MEKP - .5 - 4% siphon from original bottle


  • Additional hose
  • Multi-color units available
LWA Gelcoaters


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LWA Gelcoaters Brochure
ARO System Schematics
IPM System Schematics

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