Mike Lamb Posted October 17, 2017 Report Share Posted October 17, 2017 Not sure what to make of this. The center of this roof lifts up and is springy under foot. One area feels like a 3' x 8' waterbed. What do you think the issue is? Thanks. Quote Link to comment Share on other sites More sharing options...
Marc Posted October 17, 2017 Report Share Posted October 17, 2017 (edited) Water underneath the membrane evaporated when temperatures went up. It'll migrate out eventually. Edited October 17, 2017 by Marc Quote Link to comment Share on other sites More sharing options...
mjr6550 Posted October 20, 2017 Report Share Posted October 20, 2017 It looks like the insulation board expanded and buckled upward. Quote Link to comment Share on other sites More sharing options...
John Kogel Posted October 20, 2017 Report Share Posted October 20, 2017 2 hours ago, mjr6550 said: It looks like the insulation board expanded and buckled upward. Ditto. Quote Link to comment Share on other sites More sharing options...
RK52 Posted October 22, 2017 Report Share Posted October 22, 2017 That wondering ridge appears to atop something. It almost creases the covering. Quote Link to comment Share on other sites More sharing options...
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