Effective erosion control

March 1, 2008  |  Continuing Education

Selecting a rolled erosion control product (RECP) for designing with vegetation. By Roy J. Nelsen Erosion due to water is a natural event resulting from both the detachment and transportation of soil particles. Accelerated erosion due to human activity and the removal of vegetation or cover from the…
Seeing green up top

January 1, 2008  |  Continuing Education

By Bruce Dvorak and Marcus de la fleur Green roof technology has come a long way from sod houses and grassed, meadow-like roofs grazed by goats or sheep. It is rapidly moving forward with all expectations of transforming the way urban ecology is legislated, designed, and maintained across the countr…
Keeping outdoor fabrics clean

September 1, 2007  |  Continuing Education

The basics of fabric cleaning and maintenance for awnings, canopies and fabric structures. By Todd Willmert We think of fabric maintenance and our thoughts turn to washing machines or the thread and needle—the basic techniques used on our clothing. Fabric can easily, readily be cleaned and pat…