EXTERNAL ENVELOPE 49
Early stakeholder engagement matters
Richard Tocher at Permarock explains how facade system suppliers can bring greater benefi ts if engaged at the earliest stages of new build or refurb projects.
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t’s well understood that an externally insulated facade, when properly designed and installed, can yield benefi ts in terms of thermal performance, reduced energy demand and consequent cost-savings for building occupants. However, if system suppliers can be brought into the project team at an early enough stage, they can deliver other important benefi ts for clients, specifi ers and end users. Here, ‘early’ will often mean prior to contract award. External wall insulation system providers may be prepared to work ‘at risk’ in order to maximise the effectiveness of a project team’s proposal, particularly when working alongside trusted stakeholder partners. If they can do that, they can infl uence plans for the insulation and facade elements in ways that could ultimately produce performance enhancements, more accurate and robust detailing, lower whole lifecycle costs, and potentially, faster project mobilisation from the onset.
Planning support & mobilisation Planning consents can sometimes hamper speedy progress and on some schemes, the associated delays can limit the pathways and funding available to the client. System suppliers can play an important role here by providing planners with material samples, colour swatches, digital visualisations and other useful assets. They can also provide condensation risk analyses and U-value calculations to bolster the case for approving the scheme. Such data can be persuasive, particularly on retrofi t schemes set in communities that are subject to fuel poverty and deprivation.
Planning consent may also sometimes depend on being able to replicate the appearance of local architectural styles. External wall insulation systems inevitably require the creation of new facades and,
ADF JANUARY 2026
consequently, local authorities may have concerns about preserving the character of the built environment. These concerns can often be allayed if the supplier is afforded the chance to develop suitably tailored fi nishes. For example, brick slips can be supplied in special colour matched shades and various textures to match the appearance of traditional local brickwork.
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