Tried a new sealant on a big storefront job and it totally failed

Had a contract for a 12-foot commercial window replacement in Tacoma last fall. The supplier was out of my usual stuff, so I grabbed a tube of this new 'ultra-flex' sealant they swore was better. Applied it just like always, nice clean bead. Came back after 48 hours to install the interior trim and the whole bead was still soft, like gummy worm soft. Had to scrape it all out and redo the whole job with my old reliable brand, cost me a full day. Learned that new doesn't always mean improved, especially when the weather dips below 50. Anyone else had a sealant fail because of the cold?

3 comments

3 Comments

rodriguez.mia11d ago

Man, does cold weather just wreck some sealants? My buddy had a similar mess with his garage door last winter. He used this fancy new "all weather" kind they pushed at the hardware store. It got down to like 45 that night and the stuff never set up right, it was like sticky putty. He ended up having to redo it in the spring because it just peeled off in one strip. I mean, maybe it's just me, but it seems like they change formulas and don't test them in real conditions.

lewis.gray11d ago

Those "all weather" labels are often a joke. You have to check the actual minimum application temperature on the tube, not the front of the box. Most stuff needs it to be at least 50 degrees to cure properly.

miller.diana11d ago

My cousin's deck project got ruined by a "quick-set" adhesive that took three days to cure in Seattle humidity.