Here is this week’s “Ask Jim Urban” column. Jim Urban, FASLA is an expert on urban trees and soils and his recent book, Up By Roots, is the industry bible on these topics. Jim was also involved in the development and design of the Silva Cell system. In this column, which we’ve run for once a… More
Here is this week’s “Ask Jim Urban” column. Jim Urban, FASLA is an expert on urban trees and soils and his recent book, Up By Roots, is the industry bible on these topics. Jim was also involved in the development and design of the Silva Cell system. In this column, which we’ll be running once a… More
Most designers are probably already familiar with the practice of using aggregate or gravel as a form of underground stormwater storage. For those who aren’t designers, the principle is simple: aggregate (gravel) is full of small voids – macropores – that can fill with water, acting as on-site stormwater storage. The aggregate is strong enough… More
Here is this week’s “Ask Jim Urban” column. Jim Urban, FASLA is an expert on urban trees and soils and his recent book, Up By Roots, is the industry bible on these topics. Jim was also involved in the development and design of the Silva Cell system. In this column, which we’ll be running once a… More
We know a lot about the problems and headaches that pavement disturbed by roots can cause. For a long time, tree root barriers – mechanical barriers designed to direct roots down and away from hardscape – have been the backbone of our business. Why do tree roots heave pavement, and will this be a problem… More
Here is this week’s “Ask Jim Urban” column. Jim Urban, FASLA is an expert on urban trees and soils and his recent book, Up By Roots, is the industry bible on these topics. Jim was also involved in the development and design of the Silva Cell system. In this column, which we’ll be running once a… More
Soil. Stormwater. Sustainable Infrastructure.
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