John Mercer Technical Roofing Consultant


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John Mercer has over 40 years' experience in tile and slate pitched roofing, specialising in roof design and detailing, product development and innovation.  He writes regular articles for several well known industry magazines, as well as creating technical literature, complete roof specifications and CAD drawings.

The roof makes the building

The sky's the limit if you have a roof over your head.

Sol Hurok

Technical Services

Browse our services below

Technical Literature development

Technical literature is the window to your product range and services.

Photography & video

If a picture is worth a thousand words, what's a video worth?

Specification writing

The key to a good quality, durable roof is the specification, everything else will follow.

General technical advice

Just ask!

CAD Detailing

From standard details to more bespoke designs, with many stock drawings available.

Product development

The starting point to a great and successful development strategy is a deep understanding of the needs of the customer.