Roof Access Products, Aluminium site welding, Roll-a-Flex & Specialist Fabrications

t: 01905 755055

design it; weld it; forget it


Pioneering aluminium roof welding specialist Melvyn Rowberry M.R. (Site Services) Ltd carries all the knowledge and expertise

gained from nearly 4 decades in the roofing industry, with the attention to detail and service which the industry has come to expect from Rowberry.

The design of most soakers, hips, valleys and cranked sheets which are common on modern roofs owe their origins to the Rowberry name.

Attention to detail is obvious right from the start and all work is carried out to the highest levels of accuracy and quality. When completed, sites are left clean and safe; our record for safety is second to none.


Our expertise has been applied throughout Europe and across the Middle East, Far East, Africa, Canada, Asia and Iceland. Overseas work includes Rollaflex in the Falklands and welding in Hong Kong, California and several projects in western Canada. Our prestige projects include a include Wembley Stadium, Manchester United Football Stadium, Blackfriars Bridge Station, The O2 Arena,  Buckingham Palace . Our work has also been featured on Grand Designs & DIY SOS tv shows.




  • BS EN ISO 9001:2015 - Procedure and Document Quality System
  • BS EN 1090 - Structural Steel and Aluminium
  • ISO 9606 - Welding Standard
  • CHAS - Contractors Health and Safety Assessment Scheme
  • CE Mark - CE marked Quantum® Walkway


  • National Federation of Roofing Contractors
  • Institute of Roofing
  • Liquid Roofing & Waterproofing Association







The welding on site of thin gauge aluminium roofing materials was pioneered by Melvyn Rowberry in the 1980's. The methods and procedures adopted by MR Site Services have been developed  over 35 years.


Quantum® is an attractive low profile walkway and handrail system which allows the specifier to provide lightweight roof access for maintenance purposes on any standing seam roof.

Quantum® is a low profile access hatch designed for mounting onto all types of flat roof, especially secret fix aluminium and steel standing seam roofs. All Quantum® Access hatched have a thermally broken weatherproof lid.


Roll-A-Flex® provides a true watertight seal on any profile or surface finish – from extruded or formed aluminium to concrete – and for a vast range of details including soakers and openings.


If you would like to advice on a project specific detail or challenge, please get in touch with us for free advice. Call us on 01905 755 055 or email us at for a quick response.


Design by MR Siteservices 2021

M. R. Site Services
Worcester Trading Estate,
Worcester WR3 8HR

Tel: 01905 755055