Regular EF Member
Been asked to put a load of downlights into a lath and plaster ceiling. Done plasterboard but not lath and plaster. Is it easy enough to do or will it be a right pain?
Welcome to the new forum. We're now hosted on ElectriciansForums.net rather than ElectriciansForums.co.uk - Chat about the forum upgrade by CLICKING HERE
Discuss Downlights lath and plaster ceiling advice please in the Electrical Forum area at ElectriciansForums.net
Many years ago there were several manufacturers who made a specific collar for their DLs to use for lathe and plaster ceilings.It is a very tenuous thing to do. The outcome is very unpredictable. What is certain is that if you do manage to drill a clean hole, you can't keep putting the light in and out of the ceiling as the hole will deteriorate very rapidly. I hope the lights you propose have a large halo as this does help in concealing the first plaster of paris layer you hit that crumbles really easily. I think I remember seeing recessed lights that have a separate collar you can insert that obviates crumbling edges as they are contained within the separate collars inserted into the hole prior to fitting the light.
You have good advice there already. Would definitely agree the outcome is unpredictable. I have put plenty in where no filler or patching is required, and its always a sigh of relief, but only this week had a bit of disaster where plenty of plaster came away and left me with a mess to patch up - and that's no easy task once the plaster starts to separate from the lathes.Been asked to put a load of downlights into a lath and plaster ceiling. Done plasterboard but not lath and plaster. Is it easy enough to do or will it be a right pain?