WTR-PRIME
Fast Drying Water Based Epoxy Primer for Refinishing

A Faster Drying, Stronger Bond, Low VOC Water Based Primer You Can Afford
WTR-Prime is an advanced two-component (2K) wb primer engineered for refinishing professionals who require superior adhesion, durability, and regulatory compliance. While many water-based primers compromise performance to meet environmental standards, WTR-Prime sets a new benchmark by combining industrial-grade bonding strength with a low-VOC, odor-free formula.
WTR-Prime’s specialized chemistry ensures strong adhesion across porcelain, ceramic, fiberglass, acrylic, cast iron, and laminate surfaces, making it the ideal choice for demanding refinishing applications. Its superior substrate compatibility means consistent, long-lasting refinishing results, even on difficult surfaces where traditional primers fail.
Designed by Zen-Tek Coatings to increase efficiency without sacrificing quality, WTR-Prime features fast recoat times, allowing professionals to accelerate project turnaround without compromising durability. Whether used in bathroom refinishing, tile reglazing, or commercial applications, WTR-Prime ensures a seamless, high-performance base for topcoat adhesion, maximizing the lifespan of refinished surfaces

Why Professionals Choose WTR-Prime
Faster Turnaround = More Jobs, More Profit
Speed up your workflow with WTR-Prime™'s 30-minute recoat time and one-hour topcoat application. This wb epoxy primer allows you to finish jobs faster, reduce downtime, and take on more projects, increasing overall profitability.
No Callbacks—Built to Withstand Water, Cleaners & Wear
With water, chemical, and abrasion resistance, WTR-Prime™ is the ideal water-based bathtub primer for high-use areas. It prevents chipping, peeling, and premature failure, ensuring your refinishing work lasts longer and keeps customers satisfied.
Ready to Spray or Roll—No Mixing Headaches
Unlike other water-based tile primers, WTR-Prime™ requires no reducers or extra additives. Just mix at a simple 1:1 ratio and apply—it’s that easy, whether you're working on a wb tub primer, wb shower primer, or commercial refinishing project.
Not all wb epoxy primers are created equal. Many water-based alternatives fall short in adhesion, dry time, and durability, forcing professionals to compromise. WTR-Prime™ changes the game by offering:
No-Peel, No-Fail Adhesion That Lasts
WTR-Prime™ is a high-performance wb primer that creates a strong, lasting bond on bathtubs, tiles, and showers, ensuring the topcoat won’t peel or lift. Even in high-moisture areas, this water-based epoxy primer prevents failure, reducing costly callbacks and touch-ups.
No Harsh Smells, No Complaints from Clients
Unlike traditional primers, WTR-Prime™ is a low-VOC, odor-free epoxy primer water based, making it the perfect choice for hotels, hospitals, and apartment projects. Refinishers can work indoors without overwhelming clients or disrupting businesses, ensuring a smooth refinishing experience.

Download our Marketing Slick & Technical Data Sheets
Water-Based Tub, Tile & Shower Primer

Water-Based Bathtub Primer
Bathtub refinishing demands a primer that ensures long-term adhesion and moisture resistance. Zen-Tek Coatings’ WTR-Prime™ excels as a water-based tub primer, creating a sealed, stable foundation for topcoat application. Professionals rely on it when clients require a wb bathtub primer that meets strict odor and VOC regulations without compromising durability.

Cabinet Epoxy Primer & Laminate Refinishing
Refinish and repaint cabinets with confidence. Prime-X acts as a strong adhesion primer for wood, laminate, and composite surfaces, preventing peeling and lifting. Whether you’re tackling kitchen cabinet refinishing or furniture restoration, this cabinet refinishing primer provides a smooth, professional-grade base.

Water-Based Shower Primer
Shower refinishing requires a primer built to handle humidity and water exposure. WTR-Prime™ is the preferred wb shower primer for fiberglass, acrylic, and tile applications, delivering a strong foundation that won’t crack or peel over time.

Commercial Water-Based Bathroom Primer
Refinishers working on hotels, hospitals, and rental properties need a reliable, odor-free solution that meets regulatory requirements. WTR-Prime™ is the ideal water-based bathtub primer for projects where low VOCs and minimal disruption are critical.
Technical Specifications
WTR-Prime is a high-performance water based epoxy primer designed for exceptional bonding strength, durability, and environmental compliance. This wb epoxy primer is engineered for bathtub refinishing, tile reglazing, and commercial applications including hospitals and hotels. As a premium wb primer, it creates a strong foundation while producing virtually no odor. With its VOC-compliant formula (<100 grams/liter), this epoxy primer water based system meets the strictest environmental standards while delivering professional-grade performance. Below are the key technical details that make WTR-Prime the top choice for professionals seeking both high performance and environmental responsibility.
FORMULA TYPE
A two-component (2K) water based epoxy primer formulated for exceptional bonding strength with ultra-low odor and VOC compliance, making it the ideal water based bathtub primer and water based tile primer for sensitive environments.
MIXING RATIO
- 1:1 ratio – Combine WTR-Prime Resin (Part A) with Catalyst (Part B) for a balanced, high-strength application, perfect for wb shower primer applications.
APPLICATION METHODS
- HVLP Spray Gun: Recommended for even, professional-grade coverage of this wb tub primer.
- Airless & Air-Assisted Airless Sprayers: Suitable for higher output applications when using water based shower primer.
- Brush & Roller: Use 3/16", 1/4", or 3/8" NAP mohair rollers for smooth application of wb tile primer.
COVERAGE RATE
- 600-700 sq. ft. per gallon at 2 mil DFT, ensuring efficient, high-build performance while reducing water based epoxy primer waste.
DRY TIME & CURE PROCESS
- Fast Dry Times: As little as 30 minutes for this wb bathtub primer
- Full Cure: 4 hours, enabling rapid project turnaround when using this epoxy primer water based system.
VOC COMPLIANCE
- <100 grams/liter VOC content for this wb primer.
- Compliant with EPA, CARB, South Coast AQMD, and SCM standards.
- Ultra-low odor formula, making this water based tub primer ideal for occupied spaces.
SUBSTRATE COMPATIBILITY
- Exceptional adhesion to porcelain, metal, wood, fiberglass, acrylic, ceramic, and laminate surfaces.
- Maximum adhesion formula comparable to solvent-based epoxies, ideal for water based tile primer applications.
COMMERCIAL APPLICATIONS
- Ideal for healthcare facilities, hospitality environments, and MRO settings requiring wb shower primer.
- Perfect basecoat for multicolor applications with wet-on-wet compatibility.
- Available in custom colors for specialized wb bathtub primer project requirements.
- Bright white semi-gloss finish in standard water based epoxy primer formulation.
WTR-Prime is engineered for professionals who demand environmental compliance without sacrificing performance and durability in commercial and industrial refinishing projects requiring a premium wb primer solution.
How to use

Implementation Protocol
Achieving optimal wb primer performance requires meticulous surface preparation:
- Remove all contaminants, including silicone, soap residue, oils and release agents
- Create appropriate surface profile through mechanical or chemical preparation
- Neutralize any etching compounds and thoroughly rinse substrate
- Ensure complete drying before WTR-Prime™ application
Surface Preparation Excellence
To maximize WTR-Prime™ wb epoxy primer performance:
- Thoroughly agitate individual components before combining
- Mix at prescribed 1:1 ratio until completely homogeneous
- Apply using appropriate technique for project requirements
- Allow minimum 30-minute curing between primer coats
- Proceed with topcoat application after recommended one-hour curing period
Strategic Application Methodology
Experience the WTR-Prime™ Advantage
Join professional refinishers, restoration specialists, and contractors who trust WTR-Prime for superior adhesion, faster dry times, and long-lasting performance. Whether you're working on bathtubs, showers, or tile refinishing, WTR-Prime delivers the results your clients expect. For enhanced protection in high-moisture environments, pair WTR-Prime with Zen-Tek’s
Anti-Microbial Additive for refinishing paint.