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EXPERIENCE FROM THE TRADE

Why I believe there is now a genuine alternative to lead

Four decades on the roof. More than three years of putting Leadax to work.

By Stuart Penrose

Award-winning domestic and heritage roofing specialist

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Stuart Penrose, roofing specialist and Leadax ambassador
Stuart Penrose · Leadax ambassador
40+ yearsWorking in roofing and restoring traditional properties
3+ yearsInstalling Leadax on customers’ properties
First-handConfidence built through practical experience

01 / LOOKING FOR A BETTER WAY

Craftsmanship, with an open mind

I have spent more than four decades working in roofing, much of that time restoring traditional and historic properties. I have always believed that traditional craftsmanship should be preserved, but that doesn’t mean we should resist better materials when they become available.

For more than 15 years, I have questioned why our industry continues to rely so heavily on lead. We have progressively removed lead from paints, petrol and many other everyday applications because of its environmental and health implications, yet it remains widely used in roofing.

My concerns weren’t simply environmental. Over the years, I have encountered failed lead valleys, poorly executed flashings and unsightly staining to otherwise beautiful buildings. I began looking seriously at alternatives.

Leadax flashing installed alongside roof battens during roofing work
Leadax flashing on site.

02 / PUTTING THE MATERIAL TO WORK

Confidence earned on the roof

Copper and zinc have always been excellent materials, and I continue to use both. However, they require specialist skills and fabrication, particularly around complicated roof details. I also experimented with several manufactured lead alternatives, but none convinced me that they offered the appearance, workability and long-term confidence I expected.

That changed when I began using Leadax more than three years ago.

What impressed me wasn’t a manufacturer’s sales pitch. It was how the material actually performed in my hands and on the roofs we were restoring.

Leadax has the appearance and flexibility of traditional lead, but is considerably lighter. It can be dressed into complicated details, supplied in continuous lengths of up to six metres, reducing the number of joints, and installed without the hot works associated with lead welding.

For my business, these are significant practical advantages. My apprentices can develop their skills working with a modern material while maintaining the craftsmanship our customers expect.

Leadax flashing shaped around a raised detail on a timber roofing demonstration
A closer look at the flashing detail.
Leadax flashing shaped over a slate roof detail on a roofing demonstration
Leadax shaped to a slate roof detail.

03 / A CONSIDERED CHOICE

A reputation built over decades

Of course, no material compensates for poor workmanship. Correct preparation, detailing and installation remain essential, regardless of the product.

I also recognise that some heritage projects require traditional materials to satisfy conservation specifications. That is entirely understandable.

But where we have a choice, I believe we should be prepared to question established practices.

After more than three years of installing Leadax on customers’ properties, I have developed genuine confidence in what it offers.

I have never been someone who endorses products lightly. My reputation has taken decades to establish, and I wouldn’t put it behind a material I didn’t believe in.

For me, Leadax is no longer simply another alternative on the market. It is a genuine, practical alternative to lead.

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