Description
Pettit EZ Prime High Build Topside Undercoater
Pettit EZ Prime is a high-build formula that dries quickly and is easy to sand. This undercoater should be used as a base coat whenever the surface beign painted is aged, cracked, checked, pitted, or in any way less than smooth. It can be applied to fiberglass, wood, and previously painted surfaces. EZ Prime has excellent filling properties which can be used for a full, one-coat application. When using on bare wood, seal with Pettit EZ Wood Sealer to provide water resistance and dry rot protection. Not for use below the waterline.
- Dries quickly and is easy to sand.
- High-build formula.
- Excellent filling properties.
- One-coat application.
Application Information
Temperatures should ranging between 50°F and 90°F. All painting should be done between 9:00 AM and 4:00 PM in order to avoid the possibility of dew or condensation spoiling the application. EX Prime can be applied with a brush, roller, or spray. EZ Prime has a coverage of 400 sq. ft. per gallon.
Surface Preparation & Application
- Bare Wood
- Sand surface smooth with 80-120 grit sandpaper, then solvent clean with Pettit 120 Thinner to remove residue.
- Fill all screw heads, nicks, gouges, and small holes with EZ-Fair Epoxy Fairing Compound. Sand flush and solvent clean with Pettit 120 Thinner.
- Apply a coat of 2018 Clear Sealer to penetrate and seal the porous grain.
- Follow with one or two coats of EZ Prime until an evenly smooth base condition is reached; sand each coat with 80-120 grit sandpaper and solvent clean with Pettit 120 Thinner.
- Painted Surfaces
- Clean and prep the painted areas using Pettit Bio-Blue Hull Surface Prep using a scotch-brite pad or stiff bristle brush.
- Thoroughly rinse the surface and allow to dry. Remove existing mildew with household bleach. Note: Never mix bleach and ammonia.
- If the old paint is an oil-based enamel or polyurethane, and is in good, sound condition, sand it thoroughly smooth with 150 grit sandpaper, solvent clean with Pettit 120 Thinner, then proceed with one or two coats of 6149 EZ Prime until an evenly smooth base condition is reached.
- Sand each coat with 80-120 grit sandpaper and solvent clean with Pettit 120 Thinner.
- If the old paint is latex or water-based, or is in poor condition, remove it with a paint remover or by sanding. Proceed with the instructions for the appropriate base surface system.
- Bare Aluminum
- Clean and prep the surface using Pettit Bio-Blue Hull Surface Prep and a Scotch-Brite pad. Thoroughly rinse the surface and allow to dry.
- Remove any remaining residue by wiping the surface with Pettit 120 Thinner.
- Remove oxidation and etch the surface with medium grit emery cloth; remove sanding residue/
- Apply on thin “wet” coat of 6455/044 Metal Primer. Allow to dry at least two hours.
- Proceed with one or two coats of EZ Prime to smooth the surface and provide a uniform base. Sand well and solvent clean with Pettit 120 Thinner, then proceed with the first coat of Pettit, Z-Spar or Shipendec topside paint.
- Bare Steel
- Surface must be cleaned to a bright finish by sandblasting or grinding; remove blast residue.
- Immediately apply one coat of 6980 Rustlok Primer. Allow to dry until tacky.
- If surface is rough, apply one coat of Tie-Coat Primer; sand well and solvent clean with Pettit 120 Thinner. Repeat application as needed until surface is no longer rough.
- Proceed with one or two coats of EZ Prime to smooth the surface and provide a uniform base. Sand well and solvent clean with Pettit 120 Thinner, then proceed with topside paint.
- Bare Fiberglass
- The entire surface to be painted regardless of age must be thoroughly washed with Bio-Blue Hull Surface Prep or wiping several times with Pettit 120 Thinner to remove all traces of mold release agents and wax.
- Thoroughly rinse the surface and allow to dry. Remove any remaining residue by wiping the surface with Pettit 120 Thinner.
- Sand the gel coat with 80 to 120 grit sandpaper to a dull, frosty appearance; solvent clean with Pettit 120 Thinner to remove residue.
- Proceed with one or two coats of EZ Prime until an evenly smooth base condition is reached; sand each coat with 80-120 grit sandpaper and solvent clean with Pettit 120 Thinner.
