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Adheseal Showerseal: A Product Overview
Adheseal Showerseal is a high-performance, clear penetrating sealer that gets the job done without the cost and hassle of demolition. Based on a deep-penetrating siloxane/silane technology, it works by soaking into porous materials like grout, concrete, and masonry to create a hydrophobic barrier deep inside the substrate. This stops water ingress at the source. It’s the go-to, economic solution for fixing leaking showers and sealing outdoor areas, all without changing the surface's appearance. Because it allows the substrate to 'breathe', it won't trap moisture, ensuring long-lasting, reliable protection.
250ml
Can be all it takes to treat a standard leaking shower recess, making it one of the most economical remedial solutions available.
Core Features & Specifications
- Deep Penetrating Action: Creates the hydrophobic barrier inside the material, not just on the surface, delivering robust and durable protection against water ingress.
- Invisible Protection: Dries to a clear, no-gloss or low-gloss finish, preserving the original look and feel of tiles, grout, and masonry. No plastic-looking film, just pure function.
- Breathable Water Barrier: While it stops liquid water getting in, it allows water vapour to escape. This prevents moisture from getting trapped, which can lead to larger structural issues.
- High pH Stability: Chemically designed to withstand the high pH conditions found in new concrete, mortar beds, and cement-based grouts, ensuring performance doesn't degrade over time.
The Adheseal Showerseal Advantage
- Avoid Major Demolition: The number one reason trades choose Showerseal. You can fix a common leak and save your client thousands by not having to rip up and re-tile an entire wet area.
- Deliver a Fast Solution: With a rapid-drying formula, you can complete the entire job in a single day. The shower is typically ready for use just 24 hours after the final coat, minimising disruption.
- Increase Your Profitability: Offers a highly economic solution to a common problem. It's a simple, high-value service you can offer your clients with minimal material cost and labour time.
- Versatile & Easy to Use: One product for showers, balconies, pavers, and retaining walls. Application is straightforward with a brush, roller, or sprayer, making it a no-fuss addition to your toolkit.
Proactive Troubleshooting
Scenario: Applying Over Cracked Grout or Voids
Potential Outcome: Showerseal is a deep-penetrating liquid sealer, not a filler. If applied over existing cracks, it will seal the porous material around the crack, but water will still track through the crack itself, and the leak will persist.
Adheseal Best Practice: Always inspect the area first. Rake out and replace any loose, cracked, or damaged grout and allow it to dry completely. Showerseal is the final step to waterproof the sound, repaired surface, not the first step to patch it.
Applications in Practice: Trade Scenarios
For Remedial Specialists: The Leaking Shower Fix
The Professional's Challenge
A client reports a leaking shower causing dampness in an adjacent wall. They fear a failed membrane and a full, expensive strip-out and re-tile, a job that could cost thousands and take over a week.
The Adheseal Solution
After confirming the leak is from porous grout and not a plumbing or structural issue, you can offer a fast, highly profitable solution. Ensure the shower is unused for 48 hours. Repair any damaged grout, then apply three soaking coats of Showerseal to the entire tiled area, focusing on the grout lines. The job is done in hours, and the shower is ready for use in 24-48 hours.
Best Practice Note
The drier the substrate, the deeper the penetration. Instruct the client not to use the shower for a full 48 hours beforehand. This ensures the grout and tile bed are as dry as possible for maximum absorption and a reliable water barrier.
For Outdoor Contractors: Protecting Porous Masonry
The Professional's Challenge
A client has invested in expensive, porous pavers or a sandstone feature wall and wants to protect it from water staining, mould, and efflorescence, but they hate the glossy, "wet look" of film-forming sealers.
The Adheseal Solution
Adheseal Showerseal provides the ideal solution. Applied with a sprayer or roller, it soaks into the substrate and makes it hydrophobic without altering the natural finish. Water will simply bead off the surface. It effectively reduces efflorescence and makes the surface far easier to clean, protecting the client's investment.
Best Practice Note
Do not apply if rain is imminent. The coating needs to penetrate and cure without being washed out. Protect the freshly coated area from rain and weather until it is fully cured to ensure performance.
Frequently Asked Questions
Will Showerseal change the appearance of my tiles or grout?
No. Adheseal Showerseal is specifically designed to provide a water barrier without changing the overall appearance of the surface. It dries clear with a no-gloss or very low-gloss finish, preserving the natural look of your materials.
How long after application can the shower be used?
To achieve a full cure and ensure maximum effectiveness, the treated area should not be used for 24 to 48 hours after the final coat has been applied. This allows the hydrophobic barrier to fully establish within the substrate.
Can I use Showerseal to fill a visible crack in the grout?
No, this is a critical limitation. Showerseal is a deep penetrating liquid sealer, not a filler, and it cannot bridge cracks or fill voids. Any damaged, cracked, or loose grout must be removed and replaced, then allowed to dry before applying Showerseal.
Applications & Benefits
| Application / Use Case | Key Benefit | Primary Trades |
|---|---|---|
| Leaking shower remediation | Stops leaks through porous grout without the high cost and time of removing tiles. | Tilers, Plumbers, Remedial Specialists |
| Sealing external tiled areas | Provides a quick and economic hydrophobic barrier for balconies, terraces, and decks. | Tilers, Landscapers, Remedial Specialists |
| Protecting masonry and pavers | Protects against water damage and efflorescence while maintaining the natural appearance. | Bricklayers, Concreters, Landscapers |
| Water repellency for walls | Makes external concrete, render, brick, and block walls hydrophobic to prevent moisture ingress. | Painters, Renderers, Remedial Contractors |
Applying Adheseal Showerseal: Enhanced Protocols & Best Practices
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Surface Preparation
Ensure the surface is completely clean, dry, and sound. For showers, stop use for 48 hours prior. Remove any loose grout, oils, or soap scum. Old sealants must be removed and the joint cleaned to ensure proper penetration.
Pro Tip: The drier the substrate, the deeper the penetration. Maximising the drying time before application is the key to achieving the most effective and long-lasting hydrophobic barrier. -
Application
Apply using a brush, roller, or low-pressure sprayer. It is essential to fully saturate the substrate.
For Shower Recesses
Apply 3 soaking coats, focusing on the grout lines. 250ml to 500ml is typically sufficient for a standard shower.
For Walls
Start at the top and work down, allowing the liquid to run evenly down the wall to ensure complete saturation.
Timing: Each coat should be touch dry in 2-4 hours at 25°C. Allow for proper drying between coats. -
Curing & Finishing
Allow the final coat to cure. The area can typically return to service after 24 to 48 hours. Any new sealant can be applied after the Showerseal has fully dried. Immediately wipe any liquid product off glass or glazed surfaces to prevent etching.
Pro Tip: When applying outdoors, do not apply if rain is imminent. Protect the freshly coated surface from all inclement weather until it has fully cured to guarantee performance.
Limitations & Safety
Product Limitations
Cannot bridge cracks or fill voids. This product is a liquid sealer, not a filler. All structural repairs to grout or masonry must be completed before application.
Not suitable for low-density or friable surfaces (e.g., crumbling sandstone), as an adequate build-up cannot be achieved to form a water barrier. Test areas are highly recommended.
Liquid Showerseal must be removed from glazed tiles and glass immediately to prevent the possibility of surface etching.
Safety & Handling Requirements
Personal Protective Equipment
Wear protective gloves and safety glasses. If there is a risk of inhalation (e.g., spraying in a confined space), wear an organic vapour/particulate respirator meeting AS/NZS 1715 & 1716 requirements.
Ventilation Requirements
Ensure the area is well-ventilated during application and curing. Use only outdoors or in areas with good airflow to prevent vapour concentration.
Fire & Handling Precautions
DANGEROUS GOODS CLASS 3: FLAMMABLE LIQUID. Keep away from all ignition sources including heat, sparks, open flames, and pilot lights. Do not smoke. Use non-sparking tools and ground all equipment to prevent static discharge.
Emergency First Aid
Eyes:
Hold eyes open and rinse cautiously with water for at least 15 minutes. Seek medical attention.
Skin:
Remove contaminated clothing and wash skin thoroughly with soap and water. If irritation occurs, seek medical advice.
Inhaled:
Remove person to fresh air. Apply artificial respiration if not breathing. Seek medical advice.
Swallowed:
DO NOT induce vomiting. Give a glass of water to rinse mouth. Seek medical advice immediately.
If poisoning occurs, contact a Doctor or Poisons Information Centre (Australia 131 126).
Adheseal Showerseal Application Guide
Tiled Areas (Grout Lines)
Surface Preparation
Shower must be unused for 48 hours prior to application. Surfaces must be clean, dry, and free of oils, soaps, and loose material. Rake out and replace any cracked or damaged grout and allow to dry. Remove old silicone and clean surfaces thoroughly.
Primer Requirements
No primer required
This product is a self-priming penetrative sealer. Do not apply any other primer before use.
Porous Masonry (Brick, Stone, Concrete, Pavers)
Surface Preparation
All surfaces must be structurally sound, stable, dry, and clean. Remove any dust, loose/friable material, oils, grease, and curing compounds. Concrete must be cured for a minimum of 28 days. Substrate must be free from surface water.
Primer Requirements
No primer required
This product is designed to penetrate deeply into porous substrates without the need for a separate primer.
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