Professional Tub and Shower Refinishing Kit & Shower Coating Systems
FOR TUBS, TILE, SHOWER, COUNTERTOPS, CABINETS & MORE

The Toughest Refinishing Kits in the Industry
Designed BY REFINISHERS FOR REFINISHERS
Transform bath and kitchen surfaces with Zen-Tek Coatings affordable and durable refinishing coatings. Our bathtub coating and bathtub paint are designed for long-lasting performance, offering exceptional results for any surface. Whether you're using our tub and shower refinishing kit or a bathroom refinishing kit, you can count on our resurfacing products to deliver high-quality results without compromising on durability or finish.
Tub and shower refinishing is the core of most bathroom refinishing businesses. It's recurring work, it's in demand across residential and commercial markets, and when the coating system holds, it's the kind of job that generates referrals. When it doesn't hold — when the finish peels, yellows, or fails early — it's the kind of job that generates callbacks, warranty work, and unhappy clients.
The difference, more often than not, comes down to the coating system. Not just the topcoat, but the complete sequence of products — surface prep, primer, topcoat, and any additives — that make a tub and shower refinishing kit either a reliable service offering or a liability.
Zen-Tek Coatings manufactures professional tub and shower refinishing systems built for contractors who do this work at volume. Every product in the lineup is designed to work within a complete, compatible coating system — so the finish that goes down on a fiberglass shower surround in a 200-unit apartment complex performs the same way as the one going down in a custom residential bathroom renovation.




What a Professional Tub and Shower Refinishing Kit Actually Includes
When contractors talk about a tub and shower refinishing kit, they're really talking about a complete coating system — not a single product. The kit concept matters because compatibility between components is what determines whether a finish holds or fails. A topcoat over a mismatched primer, or a primer over improperly stripped old coating, sets up adhesion problems that show up weeks or months down the line.
A professional shower refinishing system from Zen-Tek Coatings includes:
Surface preparation products to remove old coatings and contamination
Bonding primers to establish adhesion on the cleaned substrate
Topcoat coatings formulated for moisture-heavy shower environments
Additives for anti-slip protection and antimicrobial performance where needed
Each component plays a specific role. Together, they produce a tub and shower coating system that performs the way a professional result needs to perform.
Surface Prep Products

AdvanEtch
The safer, more effective sanding liquid and paint deglosser that doesn’t over etch.
Surface Prep Products

Zen-Strip
Our industrial strength, automotive-grade chemical paint remover and stripper built for stubborn finishes.
Refinishing Primers

Prime-X
Finish priming in half the time in a single coat without running or sagging with this cutting edge epoxy primer.
Refinishing Primers

WTR-Prime
The no-peel, fast drying, ultra durable water-based epoxy primer you’ve been waiting for.
Refinishing Primers

Cabinext
Skip the sanding! This low-gloss acrylic topcoat for cabinets and countertops delivers a hardness that exceeds automotive finishes.
Reglazing Topcoats

Synergy
A more durable, glossier and affordable polyurethane acrylic topcoat than the leading product.
Reglazing Topcoats

Zenix
Finally, no stain, no crack, no yellowing iso-free 2K topcoat that doesn’t compromise on quality.
Reglazing Topcoats

WTR-Tek
A breakthrough water based poly coating that puts other products to shame, with exceptional gloss, durability and dry time.
Resurfacing Additives

Anti Microbial Additive
Create a mold and mildew-resistant barrier on surfaces with our reliable anti-microbial coating additive.
Resurfacing Additives

Anti Slip Additive
A highly refined, medium grit particle additive for a subtle yet effective non-slip texture.
Zen-Tek Coatings Tub and Shower Refinishing Products

Zenix — Iso-Free 2K Shower and Tub Topcoat
Zenix is the cornerstone of Zen-Tek Coatings' shower refinishing lineup. It's a two-component, isocyanate-free topcoat system — meaning you get 2K film performance and durability without the isocyanate chemistry that makes working in an enclosed shower a genuine occupational health concern.
In a tub and shower environment, Zenix delivers where it counts. It bonds reliably to porcelain, fiberglass, acrylic, and ceramic tile surfaces. It cures to a hard, high-gloss finish that resists the standing moisture, soap exposure, and cleaning chemicals that a shower deals with every single day. And it doesn't yellow — which matters in white and off-white finishes that clients are going to look at for years.
For contractors asking about the best shower refinishing kit or the best epoxy paint for tub and shower applications, Zenix is the answer most Zen-Tek Coatings contractors land on for general tub and shower work.
Key benefits for tub and shower refinishing:
- Strong adhesion to fiberglass, porcelain, acrylic, and ceramic tile
- Durable, non-yellowing high-gloss finish
- Excellent moisture and chemical resistance in shower environments
- Iso-free chemistry for safer enclosed-space application
- Consistent performance across residential and commercial shower refinishing

WTR-Tek — Water-Based Shower Refinishing Topcoat
WTR-Tek is Zen-Tek Coatings' water-based tub and shower coating system, designed for contractors who need lower-odor application — particularly in occupied buildings, healthcare facilities, hotels, or anywhere ventilation is limited and fume management is a real constraint.
Lower odor doesn't mean lower performance. WTR-Tek delivers a smooth, high-gloss finish on tub and shower surfaces with the moisture resistance and durability the application demands. For contractors working in senior living communities, hospitals, schools, or occupied apartment buildings where solvent-based products create problems, WTR-Tek is the professional shower refinishing paint that makes the job possible.
Key benefits for tub and shower refinishing:
- Water-based technology for significantly reduced odor during application
- Suitable for occupied spaces with ventilation limitations
- Smooth, high-gloss finish on fiberglass, porcelain, and acrylic surfaces
- Professional-grade durability in shower environments

Synergy — Polyurethane Acrylic Topcoat
Synergy is a standalone polyurethane acrylic topcoat that delivers exceptional durability and chemical resistance on tub and shower surfaces. In high-traffic environments — hotel bathrooms, apartment complexes, commercial facilities where showers take constant daily use — Synergy's polyurethane acrylic chemistry provides the kind of long-term performance that reduces callbacks and holds up to aggressive cleaning product exposure.
Contractors running high-volume commercial shower refinishing work reach for Synergy when the job demands maximum durability from the topcoat. Paired with the right primer and proper surface prep, it's a complete shower coating system built for environments that punish lesser products.
Key benefits for tub and shower refinishing:
- Polyurethane acrylic chemistry for maximum film durability
- Excellent resistance to cleaning chemicals and daily shower use
- Ideal for high-traffic commercial tub and shower applications
- Strong long-term gloss retention

Prime-X — Bonding Primer for Tub and Shower Surfaces
Prime-X is Zen-Tek Coatings' professional bonding primer for hard, non-porous substrates — the surfaces that make up most tub and shower refinishing work. Porcelain, fiberglass, acrylic, ceramic tile — all of them present the same fundamental adhesion challenge, and Prime-X is what bridges the gap between a clean, prepped surface and a topcoat that actually holds.

WTR-Prime — Water-Based Bonding Primer
WTR-Prime is the water-based companion primer to WTR-Tek, designed for low-odor shower refinishing applications where a water-based topcoat is being used. For contractors running WTR-Tek as their shower paint system in occupied or ventilation-limited spaces, WTR-Prime completes the compatible, fully water-based tub and shower refinishing system.
Essential Additives for Professional Shower Refinishing

Anti-Slip — Traction Additive for Shower Floors
Shower floors are a safety issue, not just a refinishing issue. A smooth, freshly refinished shower floor can be more slippery than the worn surface it replaced, particularly when wet. Anti-Slip by Zen-Tek Coatings is mixed directly into the topcoat and provides the traction needed on shower floors and tub floors to meet safety requirements and protect both the end user and the contractor.
This isn't optional on horizontal wet surfaces. Incorporating Anti-Slip into every shower floor and tub floor application is the professional standard — and it's the detail that separates contractors who've thought through their system from those who haven't.

Anti-Microbial — Mold and Mildew Resistance
Showers are the highest-humidity environment in a home. Mold and mildew growth on a refinished shower surface isn't just an appearance problem — it's a performance complaint and a potential warranty issue. Zen-Tek Coatings' Anti-Microbial additive is incorporated into the topcoat to help resist mold and bacteria growth, extending the clean appearance of the refinished surface and reducing the likelihood of mildew-related callbacks.
For contractors refinishing showers in bathrooms with poor ventilation, commercial shower facilities, or any environment where moisture management is a challenge, Anti-Microbial is a worthwhile addition to the tub and shower coating system.
Building a Complete Tub and Shower Refinishing System
Professional shower refinishing is sequential. Every step matters, and each one sets up the next. Here's how a complete Zen-Tek Coatings tub and shower refinishing system comes together on the job:
01
Strip old coatings if present
If there's an existing refinishing coating on the tub or shower surface, Zen-Strip removes it before anything new goes down. Applying fresh coating over a failing or incompatible existing finish is one of the most common causes of early adhesion failure.
02
Clean and degrease thoroughly
Soap scum, body oil, silicone caulk residue, and cleaning product buildup all compromise adhesion. This step doesn't get rushed.
03
Address chips and surface damage
Chip repair and surface leveling before primer application gives the finished surface a clean, uniform appearance
04
Apply the bonding primer
05
Apply the topcoat
06
Incorporate additives where needed
Anti-Slip in the topcoat on every shower floor and tub floor application;
Anti-Microbial in high-moisture or ventilation-limited environments
That's the system. Every product in that sequence is manufactured by Zen-Tek Coatings and engineered to work with the others — no compatibility questions, no mixing brands, no hoping it holds.
Tub and Shower Surfaces Zen-Tek Coatings Systems Refinish
Fiberglass Shower Surrounds and Tub Surrounds
Fiberglass is one of the most common substrates in tub and shower refinishing — one-piece shower units, tub surrounds, and prefabricated shower panels are in millions of homes. A professional
fiberglass shower refinishing kit built around Zen-Tek Coatings products handles fiberglass reliably, with adhesion chemistry that bonds effectively to the surface and holds up in a wet environment.
Acrylic Tubs and Shower Pans
Acrylic surfaces require coatings with the right flexibility characteristics — acrylic expands and contracts with temperature changes, and a coating that can't move with the substrate will eventually crack or delaminate. Zen-Tek Coatings'
acrylic tub and shower refinishing systems are designed for acrylic substrates and maintain adhesion through the movement that's inherent to the material.
Porcelain Tubs and Shower Bases
Porcelain is the classic tub refinishing substrate — cast iron and steel tubs with a porcelain enamel surface. It refinishes well with Zen-Tek Coatings products, and the high-gloss finish that Zenix and Synergy deliver on porcelain is the kind of result that clients remember and talk about.
Ceramic Tile Shower Walls and Tub Surrounds
Ceramic tile shower walls are a natural extension of tub refinishing work. The same Zen-Tek Coatings system that handles the tub handles the tile surround — which makes
full tub and tile refinishing a streamlined, single-visit service. The adhesion challenges of glazed ceramic tile are addressed by Prime-X primer, and Zenix or Synergy topcoat delivers a consistent, durable finish across both surfaces.
Many professional refinishers choose advanced hybrid bathtub refinishing coatings because they combine the durability of traditional epoxy paint for bathtub refinishing with improved safety and finish performance.
Zen-Tek’s Zenix system is widely used by contractors seeking durable bathtub regalzing kits with non-yellowing finishes and iso-free chemistry.
Shower Refinishing vs. Shower Replacement
Shower replacement is a significant project. Demolition, waterproofing, new materials, installation, grout work, fixtures, potential plumbing adjustments — in an occupied home or apartment, it's days of work and thousands of dollars. In a commercial facility, it means taking the unit offline and managing the disruption across the property.
Professional shower resurfacing delivers a fresh, durable finish in a single visit at a fraction of the replacement cost. For property managers handling large residential portfolios, that math is extremely compelling. For homeowners who want an updated bathroom without a full renovation, it's often the most practical option on the table.
The pitch holds up — as long as the coating system does. A refinished shower that fails in the first two years doesn't just cost you that client. It undermines the entire value proposition for the service. Zen-Tek Coatings' shower coating systems are engineered to hold, which is what makes the sale credible and the referral inevitable.
Durable Products You Can Trust
Zen-Tek Coatings reglazing products are meticulously formulated to deliver superior results every time. Whether you’re working with bathtub coatings, bath and tile paint primer, cabinet acrylic paint or our other professional refinishing products, you’ll be shocked at the high-performance durability that exceeds industry standards. Our cabinet paint is more durable than a car finish!
Fast Dry Times for Quick Turnaround
In commercial projects, efficiency matters. With solutions like Synergy, offering a 4-hour water cure dry time, you can finish bathtub refinishing and tile refinishing faster, minimizing downtime in busy spaces without sacrificing quality.
Safe, Eco-Friendly Solutions
We prioritize safety for both your team and the environment. Our iso-free products, like Zenix and water-based products like WTR-Tek, ensure a safer refinishing experience while providing long-lasting, high-quality finishes that can withstand the test of time.
Affordable Pricing Without Compromise
Get the best value for your budget with our competitively priced bathroom refinishing kits and other refinishing coatings. You can rely on our resurfacing products to deliver exceptional quality at a price that makes sense for your project.
Versatility for Every Project
From bathtub refinishing kits to cabinet coatings, our refinishing products offer versatile solutions for a wide range of refinishing needs. Whether you’re tackling bath and tile paint projects, fiberglass shower surrounds or cabinet refinishing, our products ensure superior results on every surface.
Higher Gloss Rating
Our industrial-grade bath coating products deliver a gorgeous gloss finish every time. With a higher gloss rating than the leading competitors, you’ll find it hard to believe that resurfacing products this affordable look this fantastic too.
Bathtub Reglazing Kits & Tub Paint Kits
Professional bathtub refinishing kits combine compatible primers, topcoats, additives, and surface preparation products into complete coating systems designed for reliable results. Contractors searching for tub resurfacing kits, bathtub reglazing kits, or tub paint kits often prefer systems that simplify product selection while maintaining strong adhesion and durable finishes.
The best bathtub refinishing kit depends on the fixture material, job conditions, and coating preferences. Whether using a tub paint kit for porcelain, fiberglass, or acrylic tubs, professional refinishers benefit from bathtub refinishing products engineered to work together as complete bathtub coating systems.
Why Contractors Choose Zen-Tek Coatings for Shower Refinishing
A complete system from one manufacturer.
Surface strippers, bonding primers, topcoats, and additives — all from Zen-Tek Coatings, all engineered to work together. No compatibility questions, no sourcing from multiple suppliers, no guessing whether this primer works with that topcoat.
Options for every job condition.
Solvent-based or water-based. Standard ventilation or occupied buildings. Residential tub refinishing or high-traffic commercial shower work. Zen-Tek Coatings has a product configuration for each scenario, and the system logic is the same across all of them.
Safer chemistry where it matters.
Iso-free Zenix and water-based WTR-Tek both reduce the chemical exposure that comes with doing this work in small, enclosed bathrooms every day. That's better for technicians, better for clients, and increasingly important in markets with stricter VOC and isocyanate regulations.
Durability that protects margins.
Callbacks are expensive — in time, materials, and client relationships. Zen-Tek Coatings' shower refinishing systems are built to reduce them. A finish that holds for ten years is a finish that generates referrals instead of warranty calls.
Contractor-focused pricing.
Zen-Tek Coatings products are priced for refinishing businesses running real production volume — not hobbyists. Competitive product pricing helps contractors maintain strong margins while keeping shower refinishing services priced accessibly for clients.
See The Difference


Related Refinishing Solutions
Zen-Tek Coatings products are used across the full range of bathroom refinishing services:
- Bathtub Coating & Tub Refinishing Systems
- Tub and Tile Paint & Tile Refinishing Coatings
- Fiberglass Bathtub Paint & Refinishing Systems
- Acrylic Bathtub Paint & Refinishing Coatings
Tub and Shower Refinishing Kit FAQs
What is a professional tub and shower refinishing kit?
A professional tub and shower refinishing kit is a complete coating system — not a single product — that includes surface preparation products, bonding primer, topcoat, and any additives needed for the specific application. Zen-Tek Coatings manufactures each component of the system to work together, giving contractors a compatible, reliable tub and shower paint kit for professional refinishing work.
What is the best shower refinishing kit for professional use?
The best shower refinishing kit for professional use combines a compatible bonding primer, a durable topcoat with genuine moisture and chemical resistance, and the right additives for the application. Zen-Tek Coatings' systems built around Zenix or Synergy topcoat and Prime-X primer are widely used by refinishing contractors for exactly these reasons.
What paint works best for bathtubs and showers?
Professional shower and tub paint needs to do things standard paint can't — bond to non-porous surfaces, resist standing moisture and cleaning chemicals, and cure hard enough to handle daily use. Zen-Tek Coatings' Zenix iso-free coating and Synergy polyurethane acrylic topcoat are designed for exactly these conditions.
Can fiberglass showers be refinished?
Yes. Fiberglass is one of the most commonly refinished shower substrates in the trade. A professional fiberglass shower refinishing kit using Zen-Tek Coatings products — proper surface prep, Prime-X bonding primer, and Zenix or Synergy topcoat — delivers a durable, high-gloss finish that holds up on fiberglass surfaces.
How long does shower refinishing last?
With professional surface preparation, compatible products, and correct application, a professionally refinished shower can last 10 years or more. Most early failures trace back to prep shortcuts, incompatible products, or incorrect application rather than coating performance.
Is there a low-odor option for shower refinishing in occupied buildings?
Yes. Zen-Tek Coatings' WTR-Tek water-based shower coating system and WTR-Prime water-based primer are designed specifically for occupied spaces where fume management is a constraint. The system delivers professional-grade results with significantly reduced odor compared to solvent-based alternatives.
Do refinished shower floors need an anti-slip additive?
Every time. A freshly refinished shower floor can be slipperier than the worn surface it replaced, particularly when wet. Zen-Tek Coatings' Anti-Slip additive is mixed directly into the topcoat and provides the traction required on shower floors and tub floors. It's a professional standard, not an optional upgrade.
What primer should be used before shower refinishing paint?
For solvent-based shower refinishing systems, Prime-X bonding primer is the right choice. For water-based systems using WTR-Tek, WTR-Prime is the compatible primer. Using a matched primer and topcoat from the same manufacturer is the most reliable way to ensure adhesion performance in a shower environment.
Can shower tile walls be refinished at the same time as the tub?
Yes — and doing both in a single visit is a common and efficient practice. Zen-Tek Coatings' tub and tile coating system handles both the tub surface and the ceramic tile surround with the same compatible products, making full bathroom refinishing a streamlined single-day service.
What is epoxy paint for tub and shower, and is it the safest option?
Traditional epoxy paint for tub and shower applications uses isocyanate hardeners for film strength, which carry real health risks in enclosed spaces. Zen-Tek Coatings' Zenix delivers the same 2K film performance through iso-free chemistry — strong adhesion, hard cure, and durable finish without the isocyanate exposure that makes traditional tub and shower epoxy paint a health liability for technicians.
Zen-Tek Coatings manufactures professional acrylic bathtub paint, acrylic tub refinishing kits, and complete acrylic coating systems for professional refinishing contractors. Contact Zen-Tek Coatings to request samples or speak with a coating specialist about building an acrylic refinishing system for your business.
Learn More About Zen-Tek Bathtub Refinishing Systems
Zen-Tek Coatings manufactures professional tub and shower refinishing kits, shower coating systems, and complete shower resurfacing products for professional refinishing contractors. Contact Zen-Tek Coatings to request samples or speak with a coating specialist about building the right shower refinishing system for your business.

