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SharkGrip Bathtub Refinishing Coatings

High Solids High Build Epoxy Primer

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SKU:
SG1P
MPN:
SG1P
Availability:
Usually ships Same Day
Weight:
22.00 LBS
Width:
18.00 (in)
Height:
14.00 (in)
Depth:
19.00 (in)
  • High Build Epoxy Primer
  • High Solids High Build Epoxy Primer with Reducer VALUE PACK
Frequently bought together:

Description

SHARKGRIP EPOXY HIGH BUILD PRIMER
Modified Epoxy Primer — Flat-Drying, High-Solids, High-Fill

This is the primer version of our SharkGrip Modified Epoxy system — engineered to dry flat like a true primer while delivering serious build and a smooth, stable base for topcoats. Built for tubs, tile, counters, and commercial refinishing where you don’t get a second chance.

High Build / High Fill
Flat-Drying Primer Finish
24-Hour Pot Life
Tintable Any Color

Built for the Realities of Tub, Tile & Countertop Prep

The best finish starts with the best base. SharkGrip Epoxy High Build Primer is designed to fill, level, and stabilize surfaces so your topcoat looks cleaner, lays flatter, and lasts longer. It’s a workhorse primer for the bathtub, tile, and countertop refinishing industry where speed matters — but failure costs more.

The Great Attribute: BUILD

This primer is known for its high build. It helps mask minor imperfections that would otherwise require extra bodywork time. When you need a cleaner surface fast, build is the advantage.

Pro advantage: Less filler work. More consistent finish quality.

Flat-Drying Primer Surface

This is the same epoxy platform as our High Gloss Epoxy Topcoat, but the primer version includes a flattening package so it dries flat like a true primer and lays down as a stable base coat.

Part reference: Use EX215 for the flat/primer version to make Part A dry flat. Use EX216 when you need the standard Part A used in both systems.
Critical: Flat Primer Prevents Telegraphing
Extreme gloss amplifies everything underneath it.

In tub, tile, and countertop refinishing, telegraphing shows up as an orange peel, rippled, wavy look that gets amplified by high-gloss finishes. The primer needs to lay as flat as possible to create a smooth canvas because this isn’t automotive work.

Not Like Automotive: You Don’t Come Back to Sand

In the automotive world you can prime, let it sit, block sand, then topcoat later. In our industry, your primer needs to lay right because you often don’t get a full sanding stage before topcoating. That’s why proper laydown and solvent control matter.

Bottom line: Flat primer = cleaner gloss. Texture in primer = texture “advertised” by the topcoat.

Where Pros Use It

  • Bathtubs (steel, cast iron, fiberglass) — as a true build primer base
  • Tile walls, surrounds, and shower areas requiring a stable primed foundation
  • Countertops (laminate, cultured marble, composites) prior to epoxy/urethane topcoats
  • Any refinishing surface where a high-build primer is needed to smooth minor defects
Note: Performance depends on prep, film build, cure, and professional application practices.

A Perfect “Canvas Coat” for Multispec

This primer makes an excellent base coat canvas for Multispec. We can tint it any color, which helps you build the exact stone-tone foundation you want before applying your effect layers.

Pro move: Choose a base color that supports the Multispec look (warm stone, cool gray, off-white, etc.).
SharkGrip Epoxy High Build Primer — Mixing & Spray Instructions
Built for build. Tuned for laydown. Applied correctly, it prevents telegraphing under gloss.
1:1 Mix Ratio
  • 1 Part Part A (Resin)
  • 1 Part Part B (Catalyst)
  • Mix equal parts by volume until uniform and streak-free.
Pot Life: This primer version has a 24-hour pot life under normal conditions.
Induction (Recommended)
After mixing Part A + Part B, allow the material to induct before spraying. This helps the epoxy system stabilize and improves leveling and consistency.
(If your workflow requires speed, you can mix on arrival and set aside while you prep the surface.)
High Build Technique (Important for Imperfection Filling)
When you’re spraying heavier to help fill minor imperfections:
  1. Spray light to medium coats (do not flood it in one pass).
  2. Use your hot air turbine hose to flash solvents off a few minutes between coats.
  3. Repeat until you reach the build you need.
Why this matters: Flashing between coats helps prevent trapped solvent / off-gassing that can push up into the topcoat and cause inter-coat adhesion issues.
Reducer & Equipment Guidance (High-Solids Reality)
This is a high-solids system designed for build. Spraying with underpowered turbine equipment can force excessive reduction. Use the correct SharkGrip reducer strategy and always tune based on conditions and equipment.
  • Temperature, humidity, airflow, and sprayer stage power all affect reduction.
  • Small turbines often require more reduction — but over-reduction can reduce build and compromise performance.
  • Always spray a test panel when changing equipment or conditions.

Same Proven Epoxy Platform — Now as a Primer

The Part A backbone remains the same epoxy platform you already trust in SharkGrip High Gloss Epoxy. The primer version uses a flattening system so the film dries flat, builds better, and supports a cleaner topcoat result. It maintains the same immersion-service mindset and can be purchased in any color.

Build the Base. Prevent Telegraphing. Make Gloss Look Expensive.

SharkGrip Epoxy High Build Primer is the foundation coat that saves time, smooths minor defects, and helps your topcoat look flatter, deeper, and more professional — without relying on automotive-style sanding steps.

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Additional Information

Select COLOR and COMPONENT combination below:
IF ORDERING PART " B " ONLY - Select " NO COLOR
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SHARKGRIP EPOXY REDUCER
(Epoxy Thinner)

Premium reducer engineered for SharkGrip High Gloss Epoxy Topcoat and our High Solids High Build Epoxy Primer — two systems built in the ~82% solids class.

82% Solids Reality

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