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Adheseal S100 Designer Silicone: A Product Overview
Adheseal S100 Designer Silicone is built for wet-area joints where failure means callbacks. Its neutral-cure, anti-fungal formulation delivers predictable performance on tiled, glazed, and sanitary surfaces, flexing with movement instead of tearing or letting go.
With high elasticity and long-term waterproofing, S100 handles temperature swings and structural movement common on Australian sites. It tools cleanly, skins fast, and cures to a smooth, dust-resistant finish that holds up in humid bathrooms, kitchens, and balconies.
Load the tube, run the joint, tool it once—then move on knowing it’s first-time-right with no costly callbacks.
Key Features of Adheseal S100 Designer Silicone
- Neutral (oxime) cure – low odour and non-corrosive, safe on aluminium and galvanised steel without surface attack.
- Anti-fungal formulation – actively resists mould and mildew in hot, humid wet areas.
- ±25% movement capability – absorbs tile and substrate movement without splitting or de-bonding.
- UV stable and colour fast – maintains appearance indoors and outdoors over time.
- Low VOC (43 g/L) – meets Green Star expectations while staying job-site ready.
The Adheseal S100 Designer Silicone Advantage
- Reduces call-backs by maintaining a waterproof, flexible seal even under movement and temperature change.
- Fast skin time keeps work flowing—tool, clean up, and hand over without babysitting the joint.
- Trusted sanitary-grade performance that protects your reputation on visible finishes.
Adheseal tips for using Adheseal S100 Designer Silicone
Scenario: Applying to damp or uncured substrates
Potential Outcome: Poor adhesion and early mould growth leading to rework.
Adheseal Best Practice: Ensure surfaces are dry and concrete has cured at least 28 days before sealing. You’ll feel consistent drag when the surface is ready—no rework later.
Scenario: Overfilling deep joints
Potential Outcome: Reduced movement capability and premature joint failure.
Adheseal Best Practice: Use a backing rod to maintain a 2:1 width-to-depth ratio. The joint flexes properly and stays sealed.
Applications in Practice: Trade Scenarios
For Tilers (On-Site Applicators): Bathroom & Shower Joints
The Professional’s Challenge: Keeping joints clean, flexible, and mould-free in high-moisture environments.
The Adheseal Solution: S100 tools smoothly and cures fast, forming a flexible gasket between tiles and sanitary ware that won’t harden or crack.
Best Practice Note: Tool within 15 minutes using a damp spatula for a clean line. Success means a sharp finish and no return visits.
For Builders & Plumbers: Kitchen and Vanity Sealing
The Professional’s Challenge: Different materials moving at different rates around benchtops and sinks.
The Adheseal Solution: High elasticity absorbs movement between laminate, tile, and ceramic without losing adhesion.
Best Practice Note: Mask edges before gunning for a sharp finish that protects your margin and your name.
Frequently Asked Questions
Can Adheseal S100 be used in showers and bathrooms?
Yes. Adheseal S100 is a sanitary-grade silicone designed for wet areas, with built-in anti-fungal protection to resist mould and mildew.
Is Adheseal S100 paintable?
No. Like all sanitary silicones, Adheseal S100 is not paintable and should be colour-matched to the finished surface.
How much movement can Adheseal S100 handle?
Adheseal S100 accommodates joint movement up to ±25%, allowing tiles and substrates to move without joint failure.
Applications & Benefits
| Application | Key Benefit | Primary Trades |
|---|---|---|
| Bathroom joints | Mould-resistant waterproof seal | Tilers, Plumbers |
| Kitchen benchtops | Flexible movement absorption | Builders, Joiners |
| Glass partitions | Clean, colour-stable finish | Glaziers |
Applying Adheseal S100 Designer Silicone
- Ensure substrates are clean, dry, and free of contaminants.
- Cut nozzle at 45° to suit joint size and load cartridge into gun.
- Apply by pushing sealant firmly into the joint.
- Tool within 15 minutes using a damp spatula.
- Allow to cure at approx. 2mm per day.
Limitations & Safety
- Not suitable for aquariums or structural glazing
- Not paintable
- Do not apply underwater
- Requires atmospheric humidity to cure
Use standard PPE. Avoid eye contact and prolonged skin contact. Ensure adequate ventilation during application.
Substrate Adhesion & Preparation
Ceramic Tiles (Glazed/Unglazed) & Porcelain
Surface Preparation
Surfaces must be sound, dry, and thoroughly cleaned of all dust, grout haze, and soap scum. Use the two-wipe process with a suitable solvent for a guaranteed, contaminant-free bond.
Primer Requirements
No primer typically required
Adhesion to ceramic and porcelain surfaces is excellent. Ensure the surface is impeccably clean for best results.
Glass, Enamel & Laminated Surfaces
Surface Preparation
Surfaces must be perfectly clean and free from oils, grease, and cleaning agent residues. Use the two-wipe process with 100% White Spirits for a streak-free, high-adhesion surface.
Primer Requirements
No primer typically required
An adhesion test is always a good practice for critical applications, but primer is generally unnecessary on these substrates.
Aluminium & Coated Steel
Surface Preparation
Clean metal surfaces to remove any oils or protective coatings. The neutral cure formula is non-corrosive and will not damage galvanized, zinc-coated, or powder-coated steel finishes.
Primer Requirements
Primer optional for critical applications
For maximum adhesion on non-porous metals, Adheseal Primer 50A can be used if an adhesion test indicates it is necessary.
Sanitary Acrylics & Fibreglass
Surface Preparation
Ensure surfaces are clean, dry, and free of any mould release agents or polishing compounds. A light abrasion may be required on some hard plastics to promote adhesion.
Primer Requirements
No primer typically required
Adhesion to acrylics and fibreglass is typically excellent. If required after testing, use a suitable plastics primer.
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