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B&Q£6.99Visit shop B&Q - Wp70 Neutral Cure Oxime Silicone SealantGrey285Ml Professional-Grade SiliconeSealant For HomeBuildings
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This professional-grade silicone sealant is designed for builders, contractors, and DIY enthusiasts seeking durable, high-gloss sealing for exterior and interior projects. Its key benefit is superior weatherproofing and mould resistance, ensuring long-lasting seals in demanding environments. A potential caveat is its specific application temperature range, requiring attention during installation.
| Colour | Grey |
|---|---|
| Brand | Bondit |
It adheres well to a variety of surfaces including glass, aluminum, painted surfaces, uPVC, and most common building materials. It is suitable for both interior and exterior use.
This product is not designed to be painted over. Its high-gloss finish is intended to be the final appearance.
Neutral cure silicones, like WP70, release a non-acidic vapor (oxime) as they cure, making them safer for use on sensitive materials like metals and concrete. Acetoxy cure silicones release acetic acid, which can be corrosive.
The cure rate is approximately 3mm per day at 23°C and 50% relative humidity. It skins over in less than 30 minutes.
The recommended application temperature range is +5°C to +40°C. Applying outside this range may affect adhesion and curing performance.
Yes, the Bondit WP70 has mould resistance due to an integrated fungicide, making it ideal for use in humid areas like bathrooms and kitchens.
Typically, unopened cartridges have a shelf life of 12-18 months when stored in cool, dry conditions. Always check the packaging for specific expiry dates.
Ensure surfaces are thoroughly cleaned, dry, and free from contaminants like dust, grease, or old sealant before application. Verify application temperature is within the recommended range (+5°C to +40°C).
Work in smaller sections if necessary. Ensure the sealant is applied steadily and tool it within the specified 5-10 minute tooling time. Avoid excessive disturbance of the applied bead.
Use a damp (not wet) tool or spatula for smoothing. Practice tooling on a scrap piece first. Ensure the tool is the correct shape for the desired bead profile.
While the sealant has mould resistance, persistent high humidity and poor ventilation can still encourage growth. Clean affected areas with a mild detergent. Ensure adequate ventilation in the area.
Setup:
Compatibility:
Bondit WP70 is compatible with a wide range of common building materials including glass, aluminum, painted surfaces, uPVC, and most plastics. It is suitable for use on both interior and exterior applications. Avoid contact with incompatible materials like certain porous stones or reactive metals if unsure.
Care:
Clean any uncured excess sealant immediately with a damp cloth. Once cured, the sealant can be cleaned with mild detergent and water. Avoid abrasive cleaners or solvents on the cured sealant.
