Urban Fabric: The Form of Cities

Urban fabric is the physical form of towns and cities. Like textiles, urban fabric comes in many different types and weaves. For simplicity’s sake, I am going to divide the multiple of different urban fabrics into two typologies: coarse grain and fine grain.

COARSE GRAIN

“Long blocks isolate the users of one street from the next one over. This isolation reduces the capability of those living on these streets to jointly support retail establishments.”

— Jane Jacobs

Coarse grain urban fabric is like burlap: rough, large-scale weaves that are functional, but not usually comfortable. Such places consist of one of two things. Large blocks, predominated by big box stores and other car contract retail and corporate centers, or multi-block mega-projects dropped on a city without integrating the surrounding city or community.

Not only do coarse grain fabrics NOT give many opportunities for interconnecting; the fabric itself is usually inhospitable to interaction. Instead of asserting control over the street, such places turn inward, fortifying themselves against the perceived dangers of the outside. This begets yet more undesirability.

In this regard coarse grain acts as a barrier for all but those who are there for a specific purpose. Just as we are not comfortable wearing a burlap shirt, we are not comfortable spending more time than necessary in coarse grained places.

…the effect of putting an enormous single-purpose entity within this fine network of the city core is the same as putting a huge field of a single crop in the middle of an ecology: it renders the whole thing essentially sterile, incapable of generating anything new.

— James Howard Kunstler

FINE GRAIN

On the other hand, there is fine grained urban fabric, consisting of several small blocks close together. Like high-count egyptian cotton; fine grained urban fabric can feel luxurious and make people want to linger in or around it.

Within each block are several buildings, most with narrow frontages, frequent store-fronts, and minimal setbacks from the street. Streets and opportunities to turn corners are frequent, and as a result, so are storefronts. This offers many opportunities for discovery and exploration. There are almost no vacant lots or surface parking. Also, as there are more intersections, traffic is slower and safer.

Street patterns must be easily navigable and lattice like, with blocks that are not too big and intersections that are not too far apart.

— Roger Lewis

Fine grained urban fabric is not imposed on a community like its coarse cousin. Rather, it evolves over time; responding to what came before, and adapting to what came afterwards. This evolutionary process creates place that are not frozen in the era when they were built, but are dynamic and reflective of a neighborhood’s changing needs.

This creates an urban fabric that can seamlessly transition from lightly developed residential areas to mixed-used retail to dense urban core—if that’s what the community desires. In this way, Fine grained neighbourhoods are far more resilient than coarse grained mega-projects, who—when they lose a single tenant— often fail.

This was originally published on yuriartibise.com.