Contemporary Applications of Exposed Aggregate: Coarse Aggregates and Large Areas of White Space
Text-to-Image Architecture Nano Banana

Contemporary Applications of Exposed Aggregate: Coarse Aggregates and Large Areas of White Space

ArchiPrompt Editorial · 2026-08-16
Prompt
Design a contemporary Taiwanese townhouse facade in washed aggregate render, the traditional local finish handled with modern restraint. Show large uninterrupted wall planes finished in exposed aggregate, the stones a coarse grade of around eight millimetres, uniformly dark grey and black river pebbles set in a pale cement matrix so the surface reads as a fine dense speckle from a distance and as individual stones up close. Detail the surface as divided by deliberate control joints — clean recessed grooves ten millimetres wide running vertically at wide regular intervals — which organise the elevation into large calm panels and prevent the random cracking that dates older work. Show the aggregate carried around every corner and into every window reveal without a change of material, so the whole building reads as one carved mass. Detail one contrasting element: a single band of smooth polished terrazzo at the entrance, using the same stones in a ground finish, so the material's two states appear together. Show the wall meeting the ground with a simple recessed shadow gap rather than a plinth. Set it on a residential lane in southern Taiwan with strong sun. Show hard midday light so the aggregate texture reads sharply. Photorealistic, granular, dark speckled grey, low eye-level view.

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