Agreed...<p>After reading the article I was curious about the actual adhesives used...I&#x27;ve seen what mother nature can do to  sheets of ordinary plywood after only a couple of years outdoors an had my doubts about exterior applications...<p>Found more info on the adhesives here...<p><a href="http:&#x2F;&#x2F;www.glulam.co.uk&#x2F;principalChoices_adhesives.htm" rel="nofollow">http:&#x2F;&#x2F;www.glulam.co.uk&#x2F;principalChoices_adhesives.htm</a><p>I did not find an answer to the question:  What sort of regular maintenance is required... sealers...waterproofing?<p>Nice write-up...some of the photos are stunningly beautiful...