The following guidance should be followed when a flat roofing area is to be overlaid with a permanent system such as heavy-duty timber decking, paving, ballast, or bio-diverse (Green/Brown) systems.

In-situ Concrete for roof decks shall be specified and produced in accordance with BS EN 206:2013 and installed in accordance with BS13670:2009 and the National Structural Concrete Specification. Normal Weight

Spectraplan TPE membranes can exhibit surface rippling, particularly with changes in temperature, the effect is also noticeable when the daylight changes from dispersed or diffused light of a cloudy day

All polymeric membranes 1.0 General Roof maintenance, as with any part of the building, is essential in order to comply with the waterproofing system guarantee and to ensure maximum performance

Use of adhesives Generally both PU Adhesives and contact adhesives should not be used if the temperature is below 5° C, they should also be stored at 15+°C. Storing the

There are many reasons for water ponding on a flat roof, from the incorrect design of roof falls and insufficient slope, degrading materials causing roof sagging to drainage issues and

Areas to be worked on should be swept with a soft brush to remove any debris or sharp fines that may be laying on the surface. As well as the