Browse Forums DIY, Home Maintenance & Repair 1 Feb 10, 2019 6:54 am Hi all, Just found this forum, pretty cool stuff! Anyway, recently had a gas line extended through my wall and punched outside to plumb my diy bbq bench. The plumber repaired the render when they were done, but did an absolutely terrible job, and it’s quite lumpy! Any tips on how to sand this back so I can have a go at getting her all level? Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ Pic of my DIY BBQ bench and home cast concrete benchtop for internet points Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ Re: Repairing lumpy render patch 4Feb 10, 2019 8:58 am You'll need to recess the patched area 3mm and apply a skim coat patch How To Patch Plaster Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Repairing lumpy render patch 5Feb 10, 2019 9:29 am StructuralBIMGuy You'll need to recess the patched area 3mm and apply a skim coat patch How To Patch Plaster Thanks mate, what’s the best way to skim? Re: Repairing lumpy render patch 6Feb 10, 2019 9:54 am Apply a thin layer, let it dry, sand back flush, if needed, apply another thin layer, repeat 3mm is optimal for a pro, or build up the layers, use Cornice cement for skimming Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Repairing lumpy render patch 7Feb 10, 2019 10:10 am StructuralBIMGuy Apply a thin layer, let it dry, sand back flush, if needed, apply another thin layer, repeat 3mm is optimal for a pro, or build up the layers, use Cornice cement for skimming Crap sorry, I meant how should I recess, that’s the problem I’m having, trying to sand the render back! Thanks for your help! Re: Repairing lumpy render patch 8Feb 10, 2019 10:13 am It's easy to chip it back eg screwdriver/chisel, sanding requires too much elbow grease.hth Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Repairing lumpy render patch 9Dec 12, 2019 6:17 pm I would personally use a 5 -inch grinder with a sanding disk, You might be able to buy a cheapy at Bunnings. Hi Alex, Thanks for the reply again. I had a chat with the builder, he said he will use primer, then hydrotec which comes with colour and sealer as well. A Renderer I… 12 18101 I am looking for someone who might have tackled a similar issue as me. I have a few rendered interior walls, the surface condition is hardly flat. I can see all the bumps… 0 7970 Do you have a scope of works? If have texture on wall now, the patch will show through The standard for repair of texture is to patch, re-texture corner to corner,… 5 6923 |