Code 5 Lead Flashing

Code 5 Lead Flashing is a highly versatile and durable roofing material ideal for both heritage restoration and new-build construction. At The Reclaimed Company ®, we supply premium-grade Code 5 lead flashing, perfect for applications requiring a balance between structural performance and workability.

Lead has been used in construction for centuries, and Code 5 offers an optimal solution where added strength and durability are needed without compromising malleability or ease of installation.

Typical Uses of Code 5 Lead Flashing

Due to its moderate thickness and weight, Code 5 lead is suitable for a wide range of applications including:

• Flat and pitched roof coverings
• Cladding for dormer cheeks and vertical walls
• Large box gutters and parapet gutters
• Bay roofs and canopies
• Weatherings to cornices and string courses
• Flashings around chimneys, valleys, and roof intersections

Its physical characteristics make it ideal for areas with moderate exposure and for use on heritage or listed buildings where traditional materials are required.

Technical Specifications

Code 5 lead Flashing 

Technical Information

Composition & Standards

All of our lead flashing is produced to BS EN 12588:2006, the British and European standard for milled lead sheet. This standard ensures:

• Consistent thickness with a ±5% tolerance
• Uniform composition (minimum 99.95% pure lead)
• Excellent malleability for easy dressing around contours and joints

The Code 3 designation specifically refers to the weight per square meter, ensuring clarity and consistency across projects.

Applications & Suitability

Code 5 is suitable for a range of applications and is designed for medium to high exposure environments.

• Cover flashings, either stepped, straight or aprons.
• Flashings on chimneys, abutments, and window trays
• Roofing repairs in conservation areas or period properties
• Lean-to structures or canopies.
• Bay window roof areas.
• Lead gutter linings.
• Lead details and chutes.

Environmental and Heritage Value

Code 5 lead flashing is not only recyclable but also crucial in conservation architecture. Its aesthetic compatibility with older buildings and long lifespan make it a responsible choice for sustainable restoration projects.

Installation Advice

• Fixings: Use copper nails or stainless steel fixings to prevent galvanic corrosion.
• Patination Oil: Apply to prevent white carbonate staining and improve surface longevity.
• Lap Guidance: Maintain appropriate overlaps between sections to allow for expansion and contraction. (See LSTA Guidelines)
• Ventilation: Ensure proper airflow behind the lead to prevent condensation and underside corrosion.

Sustainability & Recycling

Lead is one of the most sustainable roofing materials in use today. It is 100% recyclable without loss of quality. By sourcing through The Reclaimed Company ®, you’re choosing a product with minimal environmental impact and exceptional lifecycle performance.

Shop The Chart, The lead Chart

Choose your code, width, length and add to your basket all from within the familiarity of the theoretical weights chart for rolled lead sheet.