Everbuild Everflex(r) 145 Butyl Rubber Sealant is a traditional one component sealant based on pol...Everbuild Everflex(r) 145 Butyl Rubber Sealant is a traditional one component sealant based on polybutene that provides an effective weatherproof seal in a variety of exterior and interior applications. It forms a skin in 24 hours but remains permanently plastic underneath. The sealant accommodates joint movement of 5%, is overpaintable and exhibits good UV and chemical resistance. This sealant is suitable for frame/joint sealing. It comes in a 310ml volume.
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This guide is for users of Everbuild 145GY Butyl Rubber Sealant, providing a comprehensive understanding of its use and care. This sealant is ideal for creating weatherproof seals in various applications, offering flexibility and resistance to the elements. Please note that while it's overpaintable, ensure the paint is compatible for optimal results.
All features
Colour
Grey
Model Part Number
EVB145GY
Brand
Everbuild
Extended Product Information
FAQs
How long does it take for the sealant to skin over?
The sealant typically skins over within 24 hours under normal conditions.
Can I use this sealant outdoors?
Yes, it is designed for both interior and exterior use and offers good UV resistance.
Is this sealant suitable for all types of joints?
It's ideal for frame/joint sealing, accommodating up to 5% movement. For joints with higher movement, other sealant types might be more appropriate.
How do I clean up the sealant?
Uncured sealant can be cleaned with a solvent, such as white spirit. Once cured, removal is more difficult, and mechanical removal might be required.
Can I paint over this sealant?
Yes, it is overpaintable. However, ensure the paint is compatible with butyl rubber for best results.
What is the shelf life of the sealant?
Refer to the product packaging for the specific shelf life. Store in a cool, dry place.
What is the recommended application temperature?
Refer to the product packaging for the recommended application temperature range.
Is this sealant resistant to chemicals?
Yes, it exhibits good chemical resistance. Specific resistance details may vary, so refer to product specifications for details.
Troubleshooting
Sealant isn't adhering properly.
Ensure surfaces are clean and dry before application. Consider using a primer if the surface is particularly non-porous.
Sealant cracked after application.
Ensure that joint movement doesn't exceed 5%. If it does, consider a more flexible sealant.
Paint isn't adhering to the sealant.
Verify that the paint is compatible with butyl rubber. Some paints may not adhere well. Check the paint manufacturer's instructions.
Pros and Cons
Pros
Effective weatherproof sealing capabilities for diverse applications.
Overpaintable feature allows for seamless integration with different surfaces.
Good resistance to UV and chemicals extends the sealant's lifespan.
Easy to apply due to its one-component formulation.
Cons
Skin formation time of 24 hours, which might require careful planning.
Movement accommodation is limited to 5%.
Compatibility with certain paints should be verified.
Specific chemical resistance details not fully specified.
Setup, Compatibility & Care
Surface Preparation: Ensure surfaces are clean, dry, and free from loose materials, grease, or any contaminants.
Application: Apply the sealant using a sealant gun, ensuring complete filling of the joint or gap.
Tooling: Smooth the sealant with a spatula or appropriate tool to achieve a neat finish.
Compatibility: Test the sealant's compatibility with paints before applying it to the entire surface. Use paints that are compatible with butyl rubber sealants.
Cure Time: Allow the sealant to form a skin (approximately 24 hours) before exposing it to weather or applying paint.
Storage: Store in a cool, dry place. Avoid extreme temperatures.