SX Lead Sheet Sealant - Grey - Silicone Sealant for Lead Flashings

£4.20

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SX Lead Sheet Sealant is a grey, neutral cure silicone sealant designed for use with lead flashings, masonry, and roofing details. Weatherproof and UV resistant, it delivers a flexible, durable seal that bonds to lead, brick, concrete, and stone. Suitable for external applications, it remains permanently elastic and accommodates thermal movement.

Colour: Grey

Size

300ml

Product variants

Delivery and Shipping

Place your order before 3pm for next working day delivery.

Please note: Additional delivery charges may apply for Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Highlands & Islands, and Channel Islands. We will contact you to inform you of any additional costs once your order is received, or you can call us on 0800 111 4898 beforehand to confirm.

Description

SX Lead Sheet Sealant - Grey

Weatherproof Neutral Cure Silicone Sealant for Lead Flashings & Roofing Applications

SX Lead Sheet Sealant is a high-performance, neutral cure silicone sealant formulated for use with traditional lead sheet and flashings. It provides a long-lasting, flexible, and waterproof seal, ideal for use in roofing, cladding, and masonry applications where lead, brick, stone, or concrete meet. This professional-grade sealant remains permanently elastic, resisting UV, weathering, and thermal movement while bonding without primer to most common roofing materials.

Key Features & Benefits

Specialist Lead Compatibility: Designed for use with lead sheeting, flashings, and traditional roofing details.
Neutral Cure Formula: Non-corrosive to metals, with excellent adhesion to lead, masonry, and concrete.
Weather & UV Resistant: Maintains elasticity and watertight properties in harsh external conditions.
Permanently Flexible: Accommodates movement caused by temperature changes or building settlement.
Easy to Apply: Smooth application with a standard sealant gun — fast skin time and easy tooling.

Product Details

Type: Neutral cure silicone sealant
Colour: Grey
Packaging: 310ml cartridge
Skin Time: Approx. 10–20 minutes
Full Cure: 24–48 hours depending on joint depth and conditions
Movement Capability: ±25%

SKU: SXLEADSEAL310

Application Instructions

Preparation: Ensure surfaces are dry, clean, and free from dust, grease, and old sealant or paint.
Apply Sealant: Cut nozzle to joint width, insert cartridge into standard gun, and apply with steady pressure.
Tool Off: Smooth the bead with a wetted spatula or sealant tool before skin forms for a professional finish.

Limitations

Not suitable for overpainting or use in permanently immersed joints.
Use in well-ventilated conditions and test on sensitive materials if unsure.

Health & Safety

Low hazard when used correctly. Avoid contact with eyes and prolonged skin contact. Use standard PPE during application. Refer to the Safety Data Sheet (SDS) for full details.