Or limit the type of plants ok with acidic soil, although not a big issue given the large choice of plants<span></span><br><br>On Saturday, October 12, 2013, Clarke Olsen  wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">Isn't there a chance that the leachate from wood waste would be acidic enough to damage the underlying roof?<br><div>
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Clarke Olsen<br><a href="http://clarkeolsendesign.com" target="_blank">clarkeolsendesign.com</a><br>373 route 203<br>Spencertown, NY 12165 <br>USA<br>518-392-4640<br><a href="javascript:_e({}, 'cvml', 'colsen@taconic.net');" target="_blank">colsen@taconic.net</a><br>
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<br><div><div>On Oct 12, 2013, at 10:47 AM, John Salmen wrote:</div><br><blockquote type="cite"><span style="border-collapse:separate;font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-size:medium"><div lang="EN-CA" link="blue" vlink="purple">
<div><div style="margin-right:0cm;margin-left:0cm;font-size:12pt;font-family:'Times New Roman',serif;margin-top:0cm;margin-bottom:0.0001pt"><span style="font-size:11pt;font-family:Calibri,sans-serif">I would seriously look at using ground up wood waste / wood chips. They can hold their structure for years achieving a number of green roof goals without the green initially. The end product is soil so you can look at it as a green roof in process or simply an urban composting area. Wood chips have been used in biofilters and support a diversity of life.<u></u><u></u></span></div>
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</span></blockquote></div><br></div></blockquote><br><br>-- <br>Gennaro Brooks-Church, Director<br>Eco Brooklyn<br>347-244-3016<br>22 2nd St, BK NY 11231<br>Sent from Mobile<br>