Several Ann Arbor playgrounds to close for resurfacing this week Work expected to be completed by June 4 Tags: Playground (Pixlr) ANN ARBOR, Mich. – Several public playgrounds in Ann Arbor will be closed for resurfacing during the week of May 31. The playgrounds will receive engineered wood fibar, a wood product often used on playgrounds due to its ability to absorb impact and meet the needs of those with accessibility concerns. Weather permitting, resurfacing will be completed by June 4, the City of Ann Arbor said in a newsletter. Here’s which playgrounds will be resurfaced: Tuebingen Park