Description
Neutral Cure Sealant for Lead Flashing, Metal Roofing & Construction Joints
Soudalead PB is a low modulus neutral cure silicone sealant and filler specifically developed for use with lead flashing, metal roofing systems and construction joints. Compatible with all types of lead, including milled, cast and rolled lead, it provides a durable, weatherproof seal while remaining permanently flexible after curing.
Designed for professional roofing and building applications, Soudalead PB offers excellent adhesion to lead, metals, treated timber, PVC profiles and glass. Its low modulus formulation allows it to accommodate joint movement, making it suitable for sealing dissimilar building materials and high-movement construction joints.
The sealant delivers long-term resistance to UV exposure, moisture and ageing, helping to maintain performance in demanding external environments. It is also MEKO-free, making it suitable for modern construction specifications.
Key Features & Benefits
- Low modulus neutral cure silicone sealant
- Specifically designed for lead and metal applications
- Compatible with all types of lead
- Suitable for milled, cast and rolled lead
- Permanently flexible after curing
- Excellent adhesion to lead and metals
- UV resistant
- Excellent moisture resistance
- Excellent ageing resistance
- Suitable for high movement joints
- Weatherproof seal
- Suitable for interior and exterior use
- Permanent colour stability
- MEKO-free formulation
Suitable Applications
- Lead flashing sealing
- Lead roofing repairs
- Sealing lead to glass
- Sealing lead to PVC profiles
- Sealing lead to treated timber
- Sealing lead to metal substrates
- Metal roofing sheet sealing
- Roofing joint sealing
- Construction movement joints
- Expansion joints
- General building and construction sealing
- Weatherproof perimeter joints
Suitable Materials
- Lead flashing
- Milled lead
- Cast lead
- Rolled lead
- Metals
- Treated timber
- PVC profiles
- Glass
- Common construction materials
Technical Information
- Base: Neutral cure silicone
- Modulus: Low modulus
- Cure Type: Neutral cure
- Lead Compatible: Yes
- UV Resistant: Yes
- Moisture Resistant: Yes
- Ageing Resistant: Yes
- Flexible After Curing: Yes
- Permanent Colour Stability: Yes
- MEKO-Free: Yes
- Internal Use: Yes
- External Use: Yes
Frequently Asked Questions
What is Soudalead PB used for?
Soudalead PB is designed for sealing lead flashing, metal roofing sheets and movement joints between different building materials.
Can it be used on all types of lead?
Yes. It is compatible with all common lead types, including milled, cast and rolled lead.
Is it suitable for roofing applications?
Yes. It is commonly used for lead flashing installations, metal roofing joints and weatherproof roofing details.
Does the sealant remain flexible?
Yes. The low modulus formulation remains permanently flexible after curing and is suitable for movement joints.
What materials will it adhere to?
It adheres well to lead, metals, treated timber, PVC profiles, glass and many common construction materials.
Is Soudalead PB UV resistant?
Yes. It offers excellent resistance to UV exposure, moisture and ageing for long-term exterior performance.
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