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How to Ensure Your Roof Meets the Requirements of the Revised BS5534

The fixing requirements for pitched tile or slate roofs have changed to recognise the increase in the incidences of extreme weather events. On 31st August 2014 the revised version was published of BS5534: The Code of Practice for Slating and Tiling. The revised British Standard is designed to ensure that all UK roofs are more… Read More »


Lewis's, Liverpool

Under 1 Act as Roofing Consultant on Lewis’s Re-Development Scheme

  One of Under 1′s key services is our unique non-destructive testing, employed on the Lewis’s scheme. Under 1 were asked by Aedas Architects to carry out a visual and non-destructive testing survey to the various roof areas. Our Nuclear Moisture Gauge was used to determine any areas where water had penetrated through the existing… Read More »


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Roofing repairs set to take University of York to new heights

Following leaks and disruption, Estates Services at the university brought our team in to assess the degree of repairs needed, and offer independent, specialist advice. More than £500 million has been spent by the university since 2000 to upgrade and expand its campus facilities. Philip Dalgleish, Building Maintenance Surveyor at the University of York, believes… Read More »


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Thermographic investment gives Under1 20-20 vision

At Under1, we’re always on the hunt for technology that will give us greater insight into the needs of any project. That’s why we’ve invested in a thermographic camera that will detect invisible flaws in the majority of roofs, and foresee costly future issues that could arise due to weathering over time, or inadequate past… Read More »


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