Will shortly have 6 inch diameter holes to fill in on ceiling when I
remove halogen light fittings.
I will have access above and below.
My plan is `glue` a piece of plasterboard in the void to cover the hole
and then a 6 inch piece to flush it with the ceiling from below.
My question is...
Do I then just use a filler to fill any gaps or should I be doing
something else, I ask because I dont want cracks appearing later on.
Filler is OK. Actually I recommend making the patch a bit thinner and
skimming the whole lot with a finishing plaster, It was skimmed before
it should be below the finished surface anyway, so full depth
plasterboard can be used.
Future generations will wonder in bemused amazement that the early
twenty-first century’s developed world went into hysterical panic over a
Scrim will require the patch to be finished proud of the surrounding area.
If the plasterboard in-fill is left with a slight gap (1mm or so) all
around there's plenty of meat for the filler/plaster to bite onto.
I fix the in-fill board to a batten that spans the hole by a good few
inches then a screw a few inches either side of the hole up through the
original ceiling to pull the batten down.
Shouldn't flex if done like this so virtually no chance of the patch
I would glue a couple of strips of wood (rather than plasterboard)
across the hole from above, and then screw the patch to that. Then, as
someone else has suggested, fill the gap - and cover the screwheads -
with drywall filler.
Wickes fine surface filler is brilliant. It sets quite hard, much better
than polyfiller or similar rubbish, but it can still be sanded down
As long as you mechanically connect the in-fill patch to the existing
ceiling somehow, like gluing another section to connect both,
then you wont need to use scrim to strengthen the joint.
Personally I would use a piece of OSB to bridge the hole and glue
and screw it to the original celing then glue and screw the infill
patch to the exposed OSB.
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