Why choose the Premium Code 4 240mm 6m Roofing Lead?

The code 4 240mm x 6m roofing lead is the ideal long-length solution for wider flashings and deeper weathering details that need additional coverage beyond 150mm or 180mm. Installers choose this size when a project demands uninterrupted runs, fewer joints and a faster, more professional finish. The 6m long roll drastically reduces cutting, laps and time spent forming repetitive short sections on site.

Produced to the strict tolerances of BS EN 12588, the code 4 240mm x 6m roofing lead ensures reliable gauge consistency and superior durability across all weathering applications. Code 4 is the industry’s “workhorse” gauge — strong enough to withstand wind uplift and environmental exposure, yet still easy to dress, shape and form into detailed roof junctions.

The 240mm width is a popular choice among roofers, leadworkers and conservation professionals for abutments, parapet walls, chimney flashings, dormer cheeks and larger soakers where extra upstand height improves long-term performance. This format also reduces the number of joints, which improves water management — especially important on exposed or low-pitch roofs.

For fast ordering, use our trade-focused
Lead Flashing Calculator,
ideal for roofers working on-site who need quick quantities, pricing and specification.

Typical uses for Code 4 240mm 6m Roofing Lead

• Wider abutment flashings along long wall lines.
• Chimney side flashings requiring additional upstand height.
• Back gutters, apron flashings and parapet weatherings.
• Dormer cheeks, cladding sections and deep junctions.
• Wide roof soakers for large slate/tile formats.
• Continuous runs where reduced joints improve water management.

Why a 6m roll is a superior upgrade

Anyone who has used shorter 3m rolls knows how much time is consumed forming lap joints, cutting repetitive lengths and ensuring overlapping sections remain watertight. The code 4 240mm x 6m roofing lead eliminates unnecessary interruptions in the flashing line, giving tradespeople a cleaner, more continuous finish that performs better and installs faster.

Not only does this reduce labour time — it also increases system reliability by removing potential weak points that can be vulnerable to capillary action or poor workmanship.

Good practice with Code 4 installations

Ensure the substrate is smooth, well-supported and free from rough or sharp areas. Always avoid stretching the lead during dressing, as this can thin the sheet and reduce lifespan. Apply patination oil immediately after installation to prevent carbonate staining and improve early weathering uniformity.

Although 240mm lead is still classed as a narrow-width sheet, thermal movement must be considered. Follow LSTA guidelines on fixing, laps, drips and expansion control for optimal service performance.

Installation essentials

1. Prepare the substrate: Provide a fully supported, smooth surface for long 6m runs.
2. Cut & form accurately: Shape the code 4 240mm x 6m roofing lead carefully for clean, consistent flashings.
3. Fix responsibly: Use copper or stainless nails from our
   Leadwork Fixings range. Avoid over-nailing.
4. Seal the chase: Finish with either mortar or
   Lead Mate Sealant.
5. Protect immediately: Apply patination oil to maintain a clean, even appearance.

Further reading

For expert installation guides, visit:
The Lead Handbook,
theleadlads.co.uk,
and the detailed leadwork hub at
Neal Roofing.

Complete the system

Pair code 4 240mm x 6m roofing lead with:
Hall Clips,
Building Paper Underlay,
Lead Mate Sealant,
Patination Oil,
plus more options in
Accessories.

At a glance — Code 4 240mm 6m Roofing Lead

All figures are indicative. Always follow BS EN 12588 and recognised leadwork detailing standards.