Interlux ACT Ablative Antifouling Bottom Paint

How to Apply Interlux ACT Bottom Paint

Interlux ACT is suitable for use on fiberglass, wood, and painted surfaces. Be sure to stir or shake contents thoroughly before use. Thin only if necessary, and no more than 10%. If roller or brush drags during application, use Interlux Brush-Ease 433.

• Application Methods: Airless Spray, Brush, Conventional Spray, Roller
• Number of Coats: 2 coats minimum
• Finish: Matte
• Coverage: 490.1 ft²/gal.
• Dry Film Thickness: 2 mils dry
• Application Temp: 50°F and above

Surface Preparation

• Previously Painted Surfaces in Good Condition
• Remove all traces of loose paint and contamination by sanding the entire surface well with 80 grit wet-dry sandpaper.
• Remove all sanding residue
• Previously Painted Surfaces in Poor Condition
• Completely remove all old antifouling paint using Interstrip 299E for fiberglass and wood.
• For steel, sandblast to near white metal.
• Bare Fiberglass
• Remove mold release wax using one of the following Interlux products: Fiberglass Surface Prep YMA601 or Fiberglass Solvent Wash 202.
• Fill any surface imperfections with Interlux Watertite.
• After the surface has been properly prepared, follow one of the application systems below.
• Bare Fiberglass - No Sanding System
• Clean the surface following the procedure above.
• Apply one coat of Interprotect 2000E or Fiberglass No-Sand Primer.
• Following overcoating guidelines for the primer, apply at least two coats of ACT allowing appropriate drying times.
• Bare Fiberglass - Sanding System
• Clean the surface using the Bare Fiberglass procedure above.
• Sand with 80 grit paper then remove sanding residue.
• Apply at least two coats of ACT allowing appropriate drying times.
• Bare Fiberglass - Blister Prevention System
• Clean the surface using the Bare Fiberglass procedure above.
• Sand with 80 grit paper then remove sanding residue.
• Apply Interprotect 2000E to a thickness of 10 mils.
• Apply at least two coats of ACT allowing appropriate drying times.
• Bare Wood
• Sand with 80 grit paper, then remove sanding residue.
• Apply the first coat of ACT thinned 10% with Special Thinner 216 or Brush-Ease 433.
• Fill seams, if necessary with Seam Compound Brown 30.
• Apply 2 or more coats of ACT unthinned.

Application Information

• Apply a minimum of 2 coats (3 on bare wood).
• For roller application, use a 3/8" nap solvent resistant roller.
• Product temperature should be a minimum of 50°F and maximum of 85°F.
• Do not apply over tin-based copolymer antifouling paints.