![Plastering over a previous coat and these bubbles slowly form. The bubbles don't appear when I am on the painted surface. Is this caused by plaster dust? Gib Trade Finish lite. : Plastering over a previous coat and these bubbles slowly form. The bubbles don't appear when I am on the painted surface. Is this caused by plaster dust? Gib Trade Finish lite. :](https://preview.redd.it/plastering-over-a-previous-coat-and-these-bubbles-slowly-v0-hho2nvdhyhv91.jpg?width=640&crop=smart&auto=webp&s=a98f7a5a32074b3a513af5afb990ff3cb615041e)
Plastering over a previous coat and these bubbles slowly form. The bubbles don't appear when I am on the painted surface. Is this caused by plaster dust? Gib Trade Finish lite. :
![Footprints from Workers Shoes on the Dust from Construction on the Sheets of Plasterboard - Drywall -in Room is Under Stock Image - Image of material, footstep: 115243397 Footprints from Workers Shoes on the Dust from Construction on the Sheets of Plasterboard - Drywall -in Room is Under Stock Image - Image of material, footstep: 115243397](https://thumbs.dreamstime.com/z/footprints-workers-shoes-dust-construction-sheets-plasterboard-drywall-room-under-bucket-shadow-apartment-115243397.jpg)
Footprints from Workers Shoes on the Dust from Construction on the Sheets of Plasterboard - Drywall -in Room is Under Stock Image - Image of material, footstep: 115243397
![What is this weird white residue that's appearing as our plaster is drying? Some of it feels like dust and wipes away, some is quite hard and doesn't wipe off. : r/DIYUK What is this weird white residue that's appearing as our plaster is drying? Some of it feels like dust and wipes away, some is quite hard and doesn't wipe off. : r/DIYUK](https://preview.redd.it/what-is-this-weird-white-residue-thats-appearing-as-our-v0-v0oo6hqf04wa1.jpg?width=640&crop=smart&auto=webp&s=d64d7ee7e5cfc893b87797de563c6a3125c9b214)
What is this weird white residue that's appearing as our plaster is drying? Some of it feels like dust and wipes away, some is quite hard and doesn't wipe off. : r/DIYUK
![drywall - how to sand-plaster a plaster wall without spreading plaster dust everywhere? - Home Improvement Stack Exchange drywall - how to sand-plaster a plaster wall without spreading plaster dust everywhere? - Home Improvement Stack Exchange](https://i.stack.imgur.com/sefVp.jpg)
drywall - how to sand-plaster a plaster wall without spreading plaster dust everywhere? - Home Improvement Stack Exchange
![Dust And Scratches On Damaged Concrete Plaster Wall With Heavy Grunge Texture Stock Photo - Download Image Now - iStock Dust And Scratches On Damaged Concrete Plaster Wall With Heavy Grunge Texture Stock Photo - Download Image Now - iStock](https://media.istockphoto.com/id/1459645313/photo/dust-and-scratches-on-damaged-concrete-plaster-wall-with-heavy-grunge-texture.jpg?s=1024x1024&w=is&k=20&c=QJyUIVypWoa67geyZ8DfXvD33kQN9sn6yRm8c8Jpyeg=)