EPDM Maintenance and Repair
I replaced a roof vent and noticed that about 3-4 inches from the cut edge of the EPDM it was no longer bonded to the substrate (plywood) when I put the new vent in I noticed the EPDM bubble up a litt...
Forum Discussion
The bubbling up may be due to using Dicor. If you read the tube you will see it has some petroleum distillates in it which will cause a bubble in the rubber. Give it couple to a few weeks and the bubble will go away.
