I have drilled into a wall through old plaster and the plaster just crumbles.What is best product to refill?
Drilling through old plaster into brick. The plaster sounds hollow. Keeps crumbling. Is there something i can do to fill this hole and then redrill?
Answers:
Use "Poly Instafil", wait for 2 days, then re-drill. Start with a small drill bit and then move up to the thicker one, to avoid cracking again. And don't push the drill like an ox, let the (sharp!) drill bit to the job, not your muscles..
First make shore the drill bit is the right size for the wall-plug i find that a 5.5mm drill with a red wall-plug (no.8 screw) works best.
try tapping the plug deeper in to the wall with a longer screw so that you are fixing in to the brick and not the plaster.
if you have a big hole already and it cannot be put elsewhere then (for a hole up to 3x the size of plug) hover the dust from the hole pump in lots of grip fill put the plug in the grip fill when still wet Waite for a day of two and you should have a good fixing if the hole is bigger use one coat plaster a good tip is to keep some one coat plaster open to the air then when you need it ,it will go hard within Min's good filling!!
I still like to use polyfiller although there are lots of newer products on the market, take a look in your local DIY store. It does however sound as if you need to take off all the hollow sounding plaster otherwise you will continue having many problems.
sounds like the plaster has come away from the bricks, tap the wall where you are drilling gradually working wider and see how far it has been affected, plaster could be old or perhaps there might have been a bit of dampness or some thing, better get a good tradesman in if it sounds hollow more than you can plaster yourself depending if you have the proper tools to do the job IT COULD BE A MESSY JOB .Wine fly
stop drilling. you may need to replaster the whole wall!
try using Spackle it is cheep an easy it may work or may not worth a shot.
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Answers:
Use "Poly Instafil", wait for 2 days, then re-drill. Start with a small drill bit and then move up to the thicker one, to avoid cracking again. And don't push the drill like an ox, let the (sharp!) drill bit to the job, not your muscles..
First make shore the drill bit is the right size for the wall-plug i find that a 5.5mm drill with a red wall-plug (no.8 screw) works best.
try tapping the plug deeper in to the wall with a longer screw so that you are fixing in to the brick and not the plaster.
if you have a big hole already and it cannot be put elsewhere then (for a hole up to 3x the size of plug) hover the dust from the hole pump in lots of grip fill put the plug in the grip fill when still wet Waite for a day of two and you should have a good fixing if the hole is bigger use one coat plaster a good tip is to keep some one coat plaster open to the air then when you need it ,it will go hard within Min's good filling!!
I still like to use polyfiller although there are lots of newer products on the market, take a look in your local DIY store. It does however sound as if you need to take off all the hollow sounding plaster otherwise you will continue having many problems.
sounds like the plaster has come away from the bricks, tap the wall where you are drilling gradually working wider and see how far it has been affected, plaster could be old or perhaps there might have been a bit of dampness or some thing, better get a good tradesman in if it sounds hollow more than you can plaster yourself depending if you have the proper tools to do the job IT COULD BE A MESSY JOB .Wine fly
stop drilling. you may need to replaster the whole wall!
try using Spackle it is cheep an easy it may work or may not worth a shot.
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