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EXTERNAL ENVELOPE
A ventilated facade is lighter and quicker to install than other options, leading to savings in construction costs
climate. It also offers thermal insulation, which contributes to energy efficiency and acts to reduce the impact of exterior noise on those within. Ventilated cladding also affords architects and specifiers opportunities to use colour and other surface designs to create facades not achievable with other alternatives.
The Euroclass system Euroclass represents the most comprehensive and up-to-date standards system regarding reaction to fire. It compares ignitability, flame spread, heat release, smoke production, and propensity for producing flaming droplets/ particles etc. Within this system each classification means that for a product tested within a certain end-use situation, specific parameters are achieved. For example, with relevance to the A2 rating, all of the tests for previous classification levels are completed, plus a test for the calorific content of the product. For instance, a classification of A2- s1,d0 means that a kit (a kit represents the collective parts of a tested system) is tested and been assessed as having a very limited calorific content (A2), a smoke propagation which is low or non-existent (s1) and no spread of droplets in the first 10 minutes of the fire (d0).
Considering the system holistically In order to be confident that a facade adheres to the highest fire safety performance, it is vital to view the characteristics of its construction as a whole
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– from panels and sub-frame, through to the insulation used and the design of cavity compartmentation, fire barriers, fixings and all other components.
The images shown here are a selection of projects where Rockpanel non-combustible ventilated facades have been used. Aurum comprises 52 luxury apartments. Here a mixture of reflective gunmetal and gold facades were installed throughout its balconied, curved and faceted exterior. Facades were installed in three distinct styles at Merry Hill, one of the larger retail destinations in the UK. Gold and titanium colour options create pyramids reflecting light and shadow, transforming throughout the day, while white and grey aluminium designs produce 3D effects. Also used were the striking colour changing characteristics of Chameleon – forming flowing waves of purple, green and blue.
Non-combustible facades were installed at the Station Medical Centre to add low maintenance, organic warmth and visual impact while avoiding the maintenance and deterioration issues associated with the ‘real thing.’ As a final example, non-combustible facades have been used to great effect in the complete recladding of three 1960s residential blocks, delivering a future proof transformation for the 186 homes within. A mixture of inherent fire safety and true matching of the replaced veneer HPL panels simplified the planning process.
Mark Snowden is country manager for UK at Rockpanel
ADF SEPTEMBER 2023
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