Why choose Code 4 390mm 3m Roofing Lead?

The code 4 390mm x 3m roofing lead delivers exceptional coverage for larger flashing and weathering applications where standard widths simply aren’t enough. At 390mm wide, this premium rolled lead is ideal for deep abutments, chimney weatherings, parapet protection, large soakers and dormer detailing. Because code 4 390mm x 3m roofing lead is manufactured to BS EN 12588, you can rely on consistent thickness, excellent durability and predictable long-term performance in demanding conditions.

This wider roll format allows roofers to reduce the number of joints, maintain a cleaner aesthetic and improve water management on complex roof structures. Its combination of breadth and Code 4 rigidity makes it popular across both heritage and contemporary roofing projects. For fast on-site calculations and ordering, our
Lead Flashing Calculator offers an efficient, trade-friendly workflow.

Typical uses for Code 4 390mm 3m Roofing Lead

• Wide stepped flashings and deep abutment weatherings.
• Large slate or tile soakers requiring increased lap.
• Chimney aprons, back gutters and complex junctions.
• Dormer tops, cheek weatherings and parapet detailing.
• Large-scale heritage reinstatement where traditional wide lead is essential.

Good practice with Code 4 390mm 3m Roofing Lead

Because code 4 390mm x 3m roofing lead provides such wide coverage, correct movement detailing is vital. Always follow recognised limits on bay size, incorporate welts and drips where appropriate, and use a quality slip layer from our
Lead Underlay category to protect the underside and support natural expansion and contraction. Clean working, neat dressing and proper chase finishing are essential for long-lasting results.

Installation essentials

1. Prepare the base: Ensure a smooth, fully supported substrate free from sharp edges and debris.
2. Cut & form: Shape the code 4 390mm x 3m roofing lead with precision to maintain tight laps and crisp edges.
3. Fix with care: Use copper or stainless fixings from our
   Fixings range, avoiding over-fixing.
4. Point neatly: Seal chases using
   Lead Mate Sealant or traditional mortar for a watertight finish.
5. Protect the surface: Apply patination oil to reduce early staining and promote even weathering.

Standards & further reading

For deeper technical support, explore:
The Lead Handbook,
our dedicated resource portal at
theleadlads.co.uk,
and the workmanship guidance provided by
Neal Roofing.
To browse more widths and gauges, view our full
Rolled Lead collection.

Complete the system

For best results, pair code 4 390mm x 3m roofing lead with:
Hall Clips,
Building Paper Underlay,
Lead Mate Sealant,
and Patination Oil.
Additional fixings and accessories can be found in our
Accessories and
Leadwork Fixings sections.

At a glance — Code 4 390mm 3m Roofing Lead

All figures are approximate. Follow BS EN 12588 and established leadwork standards for correct installation.