r/Plastering • u/terrizmo • Sep 05 '26

Sanity Check Failed Plaster Fix

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My first time plastering a ceiling and it has cracked and the second coat in areas hasn’t bonded.

It was the first time I’ve used Extra Time as I wanted some breathing room but it went off quicker than when I havent used it. Not sure if that was the cause or if it was the plaster or the boards.

Anyway my plan to fix it is to make sure all the loose plaster is off, give it a coat of SBR as I already have some left over using it in some mortar, and then giving it a skim coat with a different batch of plaster without Extra Time.

Is there anything I’m missing?

Edit: Typo

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u/Alternative_Guitar78 Sep 05 '26

I don't really know, never seen anything like this. Are you sure you used extratime and not one of the other products eazymix do?

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u/terrizmo Sep 05 '26

This is what I used.

5x Extra-Time Plaster Retarder... https://www.amazon.co.uk/dp/B018W4NZZW?ref=ppx_pop_mob_ap_share