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The Everbuild 450 Builders Silicone in Buff is a premium, low-modulus, neutral cure silicone sealant designed for builders and tradespeople. Its key benefit is exceptional adhesion to a wide range of surfaces, providing a flexible, waterproof, and durable seal. A potential caveat is its specific color, which may not suit all aesthetic requirements. This sealant offers industry-standard performance, ideal for construction expansion joints and sealing around door and window frames, conforming to ISO 11600 class F 25LM. It features high viscosity for easy tooling, quick curing, and extremely low dirt pick-up, ensuring a professional finish.
| Colour | Beige |
|---|---|
| Model Part Number | 484831 |
| Brand | Everbuild |
Curing time varies depending on joint size, temperature, and humidity. A typical tack-free time is approximately 30-60 minutes, with full cure taking 24 hours or more for a 24-hour cure, it achieves a flexible, waterproof seal. Full hardness is achieved over several days.
No, silicone sealants cannot typically be painted over once cured due to their flexible and non-porous nature. Paint will not adhere properly.
Yes, it is designed for construction and weather sealing applications, making it suitable for exterior use where a durable, waterproof seal is required.
Low modulus silicone offers greater flexibility and movement capability, is generally non-corrosive, and has excellent adhesion. High modulus silicone is stiffer, often used for structural bonding where less movement is expected.
Store unused tubes upright in a cool, dry place, ensuring the nozzle is capped or sealed to prevent the contents from curing. This will help prolong the sealant's usability.
The Buff color is a neutral, earthy tone designed to blend with common building materials. However, slight variations in surrounding materials may occur. It is best to test on a small, inconspicuous area if color matching is critical.
This classification indicates the sealant is suitable for 'F' type joints (perimeter seals), has a movement capability of '25' (plus or minus 25% of the joint width), and is a 'LM' (Low Modulus) type sealant.
Ensure the tube's inner seal is pierced and that the sealant gun is properly engaged with the tube's plunger.
Verify that the surface was clean, dry, and free from dust, grease, or contaminants before application. Re-apply after thorough cleaning.
This can occur in very high humidity or low temperatures. Ensure application conditions are within the recommended temperature range and allow adequate curing time. Avoid disturbing the joint during curing.
Practice applying the sealant smoothly with consistent pressure on the gun. Use masking tape on either side of the joint for cleaner lines, removing it immediately after tooling.
Setup:
Compatibility:
The Everbuild 450 Builders Silicone adheres to a wide range of substrates including glass, aluminum, steel, most plastics, wood, brick, and concrete. It is particularly suitable for sealing around PVCu, wood, and other window frames. It is also safe for use on soft metals like lead, copper, and zinc.
Care:
