Everflex Lead Mate Sealant is a low modulus, neutral cure sealant specifically designed to give ex...Everflex Lead Mate Sealant is a low modulus, neutral cure sealant specifically designed to give exceptional adhesion to soft metals such as lead, brass etc. It is specially formulated as an alternative to mortaring lead flashing and sheet into brick, stone and concrete, providing a fully waterproof joint that will not crack or shrink. With excellent adhesion to metals, it will not stain or corrode soft metals unlike most conventional sealants. Designed for a low dirt pick up rate, and excellent flexibility 50%. It also has excellent low and high (150 C) temperature resistance and is solvent free with low shrinkage during vulcanisation. Resistant to plasticiser migration and may be used over water based and solvent based paints for a professional finish. It has excellent external weathering properties and will withstand all weather conditions, giving a longer professional look. Areas for use include: as an alternative to mortaring in lead flashing and sheet into brick, stone and concrete; suitable as an expansion joint sealant; weather sealing and joint sealing to pre-formed panels; sealing soft metals such as lead, copper and zinc; and parapet and roof weather sealing applications. Specification: Size: 295ml, Colour: Grey.
This guide is for users of Everbuild Lead Mate Sealant in Grey, offering a reliable solution for sealing soft metals. The key benefit is its exceptional adhesion and waterproof properties, designed specifically for lead and other soft metals. A key consideration is that proper surface preparation is essential for optimal performance.
All features
Colour
Grey
Model Part Number
LEAD
Brand
Everbuild
Extended Product Information
FAQs
What surfaces can I use Everbuild Lead Mate Sealant on?
It is specifically designed for use on soft metals such as lead, copper, and zinc. It can also be used on brick, stone, and concrete.
Can I paint over the sealant?
Yes, it is paintable and can be over-painted with both water-based and solvent-based paints.
How long does it take for the sealant to cure?
It is touch dry in approximately 20 minutes, with full cure achieved within 24 hours, depending on environmental conditions.
Is the sealant flexible?
Yes, it has excellent flexibility, accommodating up to 50% movement.
What is the shelf life of the sealant?
The shelf life is typically 12 months when stored properly.
What is the best way to apply the sealant?
Apply with a sealant gun and tool to create a smooth finish, ideally with a tooling stick or wet finger.
How should I store the sealant?
Store in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the container is tightly sealed when not in use.
Is the sealant suitable for all weather conditions?
Yes, it has excellent external weathering properties and will withstand all weather conditions.
Troubleshooting
Sealant isn't adhering properly.
Ensure the surface is clean, dry, and free of contaminants. Roughen smooth surfaces for better adhesion.
Sealant is cracking after application.
Check the movement in the joint. Ensure the sealant is appropriate for the expansion and contraction expected.
Sealant isn't curing.
Verify the expiration date. Ensure that the storage conditions are correct, and the sealant hasn't been exposed to extreme temperatures or moisture before application.
Pros and Cons
Pros
Excellent adhesion to soft metals.
Provides a waterproof and durable seal.
Flexible and weather-resistant.
Easy to apply as an alternative to mortar.
Does not stain or corrode metals.
Suitable for use with paints
Cons
Requires proper surface preparation for optimal results.
May require multiple applications for certain uses.
Limited color options.
Not suitable for all types of expansion joints.
Specific to soft metals; not a general-purpose sealant.
Can be affected by extreme temperatures outside the specified range
Setup, Compatibility & Care
Surface Preparation: Ensure surfaces are clean, dry, and free from loose materials, dust, and grease. Use a suitable cleaner if needed.
Application: Apply the sealant using a sealant gun. Cut the nozzle to the desired bead size.
Tooling: Tool the sealant to create a smooth finish. This is best done immediately after application using a tooling stick or a wet finger.
Compatibility: Compatible with a wide range of materials, especially soft metals like lead and copper. It can also be used with various paints.
Curing: The sealant cures through a neutral cure, ensuring minimal shrinkage. Allow sufficient time for full cure based on the specific conditions. Typically the sealant is touch dry in 20 minutes, and fully cured in 24 hours.
Storage: Store in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the container is tightly sealed when not in use.
Cleaning: Clean tools and excess sealant with a solvent suitable for the application. Avoid prolonged skin contact.