Browse Forums Renovation + Home Improvement 1 Feb 24, 2015 5:11 pm I'm in the process of renovating a house and have come across a seam running along almost all of the first floor cutting a double volume space in half. Is it an expansion joint and can I cover it up with plaster, in other words make the wall smooth? Re: Expansion joint 4Feb 24, 2015 9:13 pm Thanks Stewie and 33...https://www.dropbox.com/s/cb1sj4nr8r2bb ... 2.jpg?dl=0 Not sure if the image will be visible, this is my first try at posting an image on here. The picture shows a line running perpendicular to the stairs. I've pried the 10mm plank(?) away from the plasterboard in the corner and it looks like there is an indent line being hidden by this plank. What I want to do is create an unbroken surface as it draws the eye too much in the double volume space. If I can't fill it up and smooth it over, is there any other method to create an unbroken surface? Re: Expansion joint 5Feb 24, 2015 10:11 pm I'm afraid it would be an expansion join. They are required at the floor transition. When done like this the sheets would simply stop then start again behind the piece of trim. This is a cheaper and quicker option (also common) to setting a plaster expansion join in. It is possible to have a more flush finish but not seamless. A plaster bead with a flexible middle section can be set into the wall. It does look a lot neater, it will leave a gap in the middle of approx. 10mm Re: Expansion joint 6Feb 24, 2015 10:37 pm As 33amc says, you need somewhere for the building to move and an expansion joint provides this. A plaster bead would look a lot neater and once painted the same as the rest of the wall, would be just a horizontal line and not nearly as visible. Similar to expansion joints in walls where a concrete slab rests on brickwork. Here is an example of an expansion join in a ceiling in forum member yvonneh's new house - 9th and 17th photo on this page http://peakhurst.blogspot.com.au/2015/0 ... ering.html Stewie Re: Expansion joint 7Feb 25, 2015 7:44 am Thank you again Stewie and 33amc! I've been trawling the internet and I couldn't even find out what to call the problem as I do not know the vocab I will continue my quest now that I know what I'm looking for. Just one more question - this plaster bead with a flexible middle is not something an enthusiastic but essentially unskilled diy-er could install themselves? Re: Expansion joint 10Feb 25, 2015 5:52 pm Carla99 Whoop whoop, I'm going to give it a try! Give it a go. Basically just staple it on straight, trowel some base coat up to the small raised lip they give you, let it dry, trowel on some top coat, let it dry then sand. This is probably one of the easier plaster beads or corners to set. Tip with plastering is don't over do it with the base coat. You only need enough to bed it in and stick it to the wall. Base coat is very hard to sand back. Also, another tip is give the paint work a sand back beforehand as you should ideally be plastering to the bare board not the paint. I'm sure you don't want to do it again when it starts to crack off Re: Expansion joint 11Feb 26, 2015 1:44 pm Thanks, I'm going to give it a go in a small area first. I recon any mistakes will only cost me the price of the plaster beading and base coat - if it doesn't work I'll have to get a professional in anyway. Thanks for the excellent tips on application, hopefully I'll be able to post my successful after photos Not expansion foam, but a expansion joint foam. Two very different products. And it should be installed and wrapped around your storm water penetrations where the… 1 3297 Building Standards; Getting It Right! Also an expansion joint. It will probably be better to silicon it? What I don't like is that joints between panels are not properly rendered and look ugly. 1 24690 Evening, Had my 3 month maintance done on my new place. Most things are fixed to ok standards, but im not sure about the visible joins in my plaster wall. There was 2… 0 4412 |