Forum Title: Help! - why seams bubbled 3+ weeks after finish?
Here are before and after pictures, 4 weeks later. Really at a loss here - got a text from GC today saying 'disaster' w/ the attached finished room picture. Short of it: What went wrong? How do we correct it so that the problem does not return? Apparently all the seams in this room are showing at least some bubbling. We've not run into this issue before and can't figure out what we did differently. FAQ: Mud = blue lid; Tape = standard paper drywall tape; Mixed w water = yes; Applied mud thick = yes; Apply tape quickly = yes (2 man per seam - 1 standing on baker at top, mud 1/2 way down, start paper at top, 2nd man continue mud to bottom, hold tape tight to bottom, top man begin wiping tape/angled knife pressing tape & mud squeezing out sides, 2nd man continuing to bottom; rinse repeat. Long story: The Project: The room was a storage area attached to an office which they are converting to a conf room. Carpenter installed metal framing. We hung & finished the drywall. Pictures show pretty much the last day spent on this room. We spent a lot of time making sure everything was smooth and flush incl inspecting closely w/ shining lights across every part of the walls to find imperfections. The weather at that time was consistently hot and humid. There was A/C running in the building, but there were days in the building that were quite warm and muggy - not all, but some. For the project, we had multiple box fans as well as two air movers. Only two overnights were we allowed to keep the fans on. Still, we were confident all mud dried completely before proceeding with next coats and/or sanding. After completing this room, the GC inspected our work and gave us a big thumbs up. We were on site the next few days doing patchwork in another area, so we were able to check on our work even after the completion - no problems were noted. Also, we were able to talk to the painter a few days after who inspected the walls and also was impressed, didn't have anything for us to correct. What went wrong? How do we correct it so that the problem does not return? We've not run into this issue before and can't figure out what we did differently.
Category: Drywall Post By: ANDREW KING (St. George, UT), 03/20/2018

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