I have an old house with lath and plaster ceilings and walls. Many of the ceilings have cracks and in some cases the plaster has 'bossed' separated from the lath. Having looked at some of the YouTube videos many suggest fixing the plaster back up to the laths by first injecting a bonding agent (like Larsens Plaster Weld Bonding Agent). and then using Plaster Washers and screws secure it back to the laths & joists/rafters. The Larsens or equivalent product is very expensive, would PVA or similar be as effective and would be significantly cheaper? Thanks for any help. Terry
Hi jbasport, In my experience your chances of success are fairly low because debris will have fallen in the gap between the lathes and the plaster layer. As you screw the plaster layer up major cracking will occur. Unless you are in a listed building overboard the ceiling with plasterboard leaving the existing ceiling in place. Regards S
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