The Materials Book

Use What’s Already There: Lime-and-cement-based mortar can be mixed with local aggregates 292 Building sites are notoriously messy, littered with rubble and supplies left over from previous construction projects. At this Spanish location, an adjacent road had to be widened, so the perimeter wall was demolished. The architects decided to incorporate the rubble from that wall into the new structure, using its profile to inspire the home they were building. An important element was adapting local mortar recipes to allow for the upcycling of resources that were already on-site—reducing the need to haul away waste and bring in new supplies. Example: House 1413, Ullastret, Spain Contributed by: Harquitectes, Spain

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