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These projects can be seen as bespoke and are more expensive.. Bryden Wood’ response to Passivhaus’ challenges.Bryden Wood is an industry leader in the adoption of Platforms-based Design for Manufacture and Assembly (P-DfMA) and has always shown a keen interest in the adoption of the newest and more advanced sustainability certification schemes, such as Passivhaus.. Our experience indicates that the standardisation process of P-DfMA, can be a suitable approach to counterbalance Passivhaus’ challenges described above, as follows:.
Reduced design cost and complexity:.The standardisation process reduces the number of construction elements which in turn dramatically reduces the number of elements and potential thermal bridges, making the design simpler and more cost-effective.The repeated use of the same details significantly reduces the design cost and complexity, and facilitates the achievement of Passivhaus’ thermally bridge free design ethos..
Being able to deliver Passivhaus detailing onsite requires complex coordination, overlap of materials and components and accuracy in order to achieve the specified final performance and certification.A P-DfMA approach ensures the highest quality, working with reduced tolerances which align with Passivhaus requirements..
Reduced capital cost:.
The standardisation process reduces the volume of materials and the number of construction elements which in turn reduces the capital cost of the project.Product hire allows products to be used multiple times during their life across a number of different buildings and applications.
This means the product is used more times over its life, making it more worthwhile to manufacture and reducing the number needed, which equates to a more sustainable construction practice.. Take-back schemes, where manufacturers and suppliers will take back products and materials at the end of their life, enable waste to be minimised and known materials to be recycled within the production process.This reduces raw material requirements for new products.. Minimise impact and waste for sustainable construction.
Use low impact materials by considering the environmental impact at specification stage, alongside cost and technical considerations.This also includes the manufacturing location of materials and the transportation distance to site..