Silicone Sealant - Bronze - 300ml - Everbuild
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Product Information
Full details
This Everbuild EVERFLEX® 700T Silicone Sealant in Bronze is designed for DIY enthusiasts and trade professionals seeking a reliable, neutral cure silicone for weatherproofing and sealing applications. Its key benefit is strong adhesion to a wide variety of surfaces and excellent resistance to mould, ensuring a durable, long-lasting finish. A potential caveat is its specific bronze colour, which may not suit all aesthetic requirements.
All features
| Colour | Bronze |
|---|---|
| Model Part Number | 486157 |
| Brand | Everbuild Sika |
Extended Product Information
FAQs
Can this silicone sealant be painted over?
No, this silicone sealant cannot be painted over once it has cured. It is recommended to use an appropriate paintable sealant if an over-paintable finish is required.
What is the shelf life of the sealant?
Unopened cartridges typically have a shelf life of 12 months when stored in cool, dry conditions below 25°C.
Is this silicone suitable for exterior use?
Yes, it is designed for weather sealing applications and provides a durable, weatherproof seal against the elements.
How do I remove old silicone sealant?
Scrape away as much cured sealant as possible with a blade or scraper, then use a commercial silicone sealant remover to dissolve the remaining residue. Clean the area thoroughly before applying new sealant.
What surfaces does this sealant not stick to?
While it adheres to a wide range, it may not provide optimal adhesion to certain plastics, untreated rubber, or oily surfaces. Always test on an inconspicuous area first.
What does 'neutral cure' mean?
A neutral cure silicone releases alcohol or an oxime compound during curing, making it less corrosive and suitable for use on sensitive materials like metals and alkaline substrates (e.g., concrete), unlike acetoxy cure silicones which release acetic acid.
How long does it take to cure?
The sealant typically becomes tack-free within 15-30 minutes and fully cures within 24-48 hours, depending on bead size, temperature, and humidity.
Troubleshooting
Sealant not dispensing
Ensure the cartridge is properly loaded into the sealant gun and the inner seal has been pierced.
Poor adhesion
Verify the surface is clean, dry, and free from dust, grease, or contaminants. Ensure the correct type of surface is being sealed.
Uneven bead application
Practice applying steady, even pressure on the sealant gun. Trim the nozzle to the appropriate size for the gap.
Mould growth after application
While resistant, extreme conditions may still allow growth. Ensure adequate ventilation and clean the affected area. Check that the product was applied correctly and the surface was properly prepared.
Pros and Cons
Pros
- Excellent adhesion to a wide range of materials.
- Resistant to mould and bacterial growth.
- Durable and weatherproof finish.
- Neutral cure is safe for sensitive materials.
- Fast curing speeds up project timelines.
Cons
- Bronze colour may not match all décors.
- Requires a sealant gun for application.
- Cannot be painted over once cured.
- Not suitable for structural glazing.
Setup, Compatibility & Care
Setup:
- Ensure the surface is clean, dry, and free from dust, grease, and old sealant.
- Cut the nozzle at an angle to achieve the desired bead size.
- Pierce the inner seal of the cartridge.
- Load the cartridge into a standard sealant gun.
- Apply a continuous bead of sealant using even pressure.
- Smooth the bead immediately with a wet finger or smoothing tool.
Compatibility:
This silicone adheres well to glass, aluminium, UPVC, painted surfaces, masonry, and most plastics. It is not recommended for use on asphalt, bitumen, or as a structural glazing sealant. Always test on an inconspicuous area if unsure about compatibility.
Care:
Clean up any excess uncured sealant immediately with a damp cloth. Once cured, the sealant can be removed mechanically or with a silicone remover. The cured sealant is generally resistant to household cleaners but avoid abrasive materials.