DIY Arched Window reveals and skim over drylined walls?

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Simes123

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Hi all, first post.

Have done a small bit of plastering already (in my own house) with reasonable results, but am getting braver....

Walls throughout the house are drylined/taped - in most cases poorly during the original renovation. Since we've bought it, and as I'm renovating room by room, I'd like to skim the walls, starting with the smaller rooms.

First Q, where walls have been drylined/mesh taped/easifilled and then emulsioned, is it ok to skim on top of the emulsion/easifill - I'm assuming so, but didn't want any disasters. (Presumably would need to PVA first)


Second Q. This is in an old converted church. The upstairs windows are the top half of the original stained glass windows. The walls are thick - around 600mm, and there is deep arched top reveal in each window. The radius of the arch next to the stained glass is smaller than the radius on the inner wall (ie it flares outward into the room). I'm lining the arched reveal with wedge shaped pieces of celotex, and that will covered with pieces of plasterboard - I need to make this threepenny bit shaped arch into a curve with plaster. I'm presuming I'd use bonding plaster to rough form the curve, and then skim using multifinish? Or.... I could score the back of my plasterboard every couple of inches and form a crude curve that way (and stick in place with foam). Given the arched reveal is quite complex, I'm hoping for some alternate ideas or suggestions on how best to approach it. When it was originally renovated, the arched reveals were formed with hardboard over celotex wedges, but the result was a bit naff, hence me wanting to redo with plasterboard and plaster. Any other ideas? Sorry I've not got a pic handy, but hopefully you'll figure what I'm on about!

Thanks for any pointers or suggestions,

Simon
 
All as you have said will work fine.

Q 1 yes Pva or a bonding agent such as blue grit.

Q 2 score the board and snap but dont cut though and then a coat of bonding plaster to form cure. Then skim. If you skim the next day give it a weak coat of Pva first.

Best of luck and welcome along.
 
As Carlos says, one thing I would say is don't stick board with foam. Use board adhesive. Try and get some pics up, best luck :RpS_thumbsup:
 
Welcome along buddy and think pics will help so we can offer the correct advice but from what I've read, Carlos seems to be bang on the money with he suggests??
 
If you can't post pics of the job, pics of anything will do, bloody love pics me :thumbup:
 
If you have a few of them to do then perhaps get a sheet or two of 6mm contour boards, I have used these with good results on window reveals similar to yours. The advantage of these boards they are designed for curves are very strong, don't need to score the back and the 6mm may help you out also.
 
Hi all - sorry for the slow response - have now turned notifications on!

thanks all for the replies! Much appreciated. Will do some pics at the weekend when back home and will see if the wife and girlfriend are both game :)

I do have several to do - 10 in total eventually, but these 2 are the first. I'm a great believer in keeping things simple and repeatable, so like the suggestions so far - and am interested in the 6mm contour board - is there a brand name for this I can ask for? Or an online supplier? I'm currently buying my plaster boards from Tradepoint as they do free delivery which is handy in the small quantities of stuff I'm buying, but happy to look elsewhere if it's going to save me a headache!

thanks

Simon
 
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