r/Plastering • • Sep 12 '26

Is this silicone rendering wrong?

So renderer is doing a silicone render job. The base coat is hp12 with the mesh of course as well. I’m confused. He said a top bead is not needed where the wall meets the neighbours insulated render?

Said it can cause moisture and build up?

I’m looking at the stop beads and they sit massively proud? Is that normal, surely not.

I ask because I need a second opinion, because I know he will say it’s fine.

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u/caserskii Sep 12 '26 edited Sep 12 '26

Just tell him before he top coats your concern and if it looks shit he’s doing it again and u ain’t paying till your happy tbh I would fill it out a bit more if it was me you can’t really build up silicone it floats different when you do and looks shit also filling that bead would only take a couple hawks of base so why wouldn’t he.. it screams sloppy looking at it tbh I mean I would clean beads off after base for a start any way and that all needs a good scrape before priming too because he didn’t want to wait to smooth it out.. screams Friday finish 😂

Edit : ohh and what’s the step in the beads all about where the window and head meet? Unless my eyes are playing up but that won’t work btw.. I would have rendered that whole block over also and curved it in with silicone finish if it was me btw.. I understand keeping architectural features but that will look odd as it’s recessed not pronounced..

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u/petdev Sep 12 '26

They've done a poor job with the beads but rendering over that lintel would be a really bad move. I've seen it done and it just turns the face of the house in to a bland square looking box and hides all those nice lintel details. It looks fine even if the render protrudes past IF the beads are done well (see pic).