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Mud cured too hard to sand?!?!?

9.9K views 15 replies 12 participants last post by  ohiohomedoctor  
#1 ·
I used the purple dust control to install rounded bead on existing painted walls ( I removed the old square bead and replaced it) Everything was going just fine, until I went to sand after the final coat. Certain areas cured so hard that coarse grit sanding blocks wont take it down. These areas also cured with a high gloss sheen. Weird. I usually just board, but this job was too small to involve a taper.

What the heck is going on here? Any ideas?
 
#6 ·
i've used the dust control a few times to try it out because i always work in furnished homes. that purple dust control is a terrible product! it dries just as hard if not harder then a setting compound and theres always tons of air bubbles in it. i wouldnt recommend that stuff to an enemy. the stuff is exactly what the stuff says it is, its to hard to sand so theres no dust haha! go grab yourself a better product like the red premix light, the blue lid bucket, or switch brands to lafarge or another thats a premix finishing compound.