Backing Coat Problems or Questions?
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Types of Questions

I will answer

Any questions relating to plastering technique, materials or anything to do with plastering yourself.

I cannot answer

To avoid being drawn into arguments - I cannot answer questions relating to work that plasterer's have carried out.




If you're having backing coat problems this is where you can ask a question. Before you do just check the Previously Asked Questions first as the answer may already be there.

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Previously Asked Questions

Click on any of the following to view the related Questions and Answers

Using Bonding Coat to flatten ceiling? 
Hi, My Starter Home was built in the late 80s, all the internal walls and (artex) ceilings are plasterboard, including the bathroom. The bathroom …

Backing coat and skim over artex wall 
Hi paul in spare room knocked old wardrobe down in box room and there is big patches where is back to brick also a big timber beam supporting wall could …

Backing coat 
Hi Paul Got your DVD recently and have been practising skimming on a couple of plasterboards. i can't wait to get started properly. Great website aswell. …

Plastering a wall back to brick? 
Hi, I'm doing up my bathroom and the plaster has come off the wall, it's about 20mm thick, say 50% of the plaster is left on the wall seems well stuck …

Chimney breast removed, sooty brickwork Not rated yet
Hi Paul, We removed an old chimney breast and so the surface to prepare is broken brickwork but with some burnt sooty channels. Any tips on preparation …

Plastering around sockets and light switches Not rated yet
Hi Paul, Great tutorial videos. I've decided to take the plunge and attempt to replaster a bedroom that has been stripped back to brick. One thing …

Sand & Cement backing coat Not rated yet
Hi Paul I'm currently renovating my bathroom & have removed built in floor to ceiling storage that covered half length of a wall. The area left behind …

Will plaster stop damp Not rated yet
If I use muti finish plaster with pva would it stop damp coming though? Or any ideas would be great. Answer No it definitely wont stop the damp …

Using a plasticiser admixture with lime render  Not rated yet
Dear Paul, I knocked up a 2:1 sharp sand and NHL3.5 mix with a whisk successfully, although I found it rather less 'buttery' than I was hoping for and …

mixing a lime backing coat Not rated yet
Dear Paul, Is it possible to mix say NHL3.5 and builders sand in a bucket to make a backing coat using a whisk rather than a drum or paddle mixer? I …

Ruling bonding plaster Not rated yet
Hi Paul, Your video on setting up guides and ruling the backing coat was very useful, but I'm struggling to rule Thistle bonding plaster in the same …

Type of sand for backing coat -- again ... Not rated yet
Hi Paul, I know you have already answered a question on sand grades, but.. I was going to buy 'Building' sand and then noticed that 'Plastering' sand …

Render Not rated yet
Hi I have been removing the lining paper from some wall and beneath it is only rendered, but the render is a little uneven, am I able to level it out …

Type of sand? Not rated yet
Hi What type of sand should be used for the backing coat? I'm plastering an internal bathroom wall constructed from Celcon aerated concrete blocks. …

Restoring an old backing coat Not rated yet
I removed tiles from a bathroom and much of the skim plaster came away with the tiles. I then removed the entire skim coat. The exposed backing coat is …

Dot and Screed Not rated yet
Hi Paul, Really quick question, why isn't Dot and Screed method used to float walls? I've been reading that this is the most effective way as opposed …

wavy backing coat Not rated yet
Hi, I unfortunately applied browning to a wall before I received your easy to follow video. The problem is that the browning is not totally flat but wavy, …

Floating bonding backing coat Not rated yet
I'm having a bit of trouble using the plastic float with Thistle bonding coat. I thought I was getting it with sand and cement ... I'm using the …

Getting render flat Not rated yet
I was wondering if you could give me advice on backing coats. I set up vertical battens used a darby, I applied a 12mm coat of render went over with a …

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