1 minute read
Case study for achieving net-zero carbon
from Sustainable Design
by generaskopje
Wet trades are particularly problematic, as products that are otherwise ‘good’ in terms of embodied carbon or recyclability may be rendered impossible to reuse/recycle by the nature of their fixing detail. Composite materials in general are less likely to be reused and recycled. Avoid the use of glues and adhesives when possible, and choose fixings that will not affect the integrity of the material in the future, for example screws rather than nails. Where adhesives are required, opt for non-toxic and solvent free products. There are natural adhesives available that can make reuse more straightforward. There are issues with toxicity of glues with regards to disposal/reuse/recycling that will impact
WLC.
Advertisement
Pitfalls
Cleaning requirements for different systems can increase their lifetime embodied carbon, as well as contributing chemicals to water systems, which then need to be eliminated through energy (and thus carbon) intensive processes.
Design for Manufacture and Assembly (DfMA)
Compare embodied carbon of DfMA solutions with standard solutions. If DfMA is to be used, identify the elements by the end of RIBA Stage 2. Examples include, bathroom or WC pods, plant modules, facade elements, repeatable rooms, pre-fabricated structural elements including twin wall, columns and planks. Engage the supply chain early. Lightweight materials are preferable for transportation purpose. Ensure the repeatable systems are designed for deconstruction.
Case study for achieving net-zero carbon
In a case study building improvements were made in order to achieve net-zero carbon in construction and operation. The characteristics of the models are shown in Table below.
