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Filling and Drilling concrete
Supernova
Posts: 740 Forumite
Hi,
The walls around my bedroom window appear to be made of solid concrete, which made it very difficult to drill the holes for the curtain rail originally.
Now that I fitted some blackout liners the weight has pulled the screws out of the middle section so I need to fill the holes and redrill. Any tips. I tried some Polyfilla but it was difficult to get the stuff in and it didn't even dry solid.
Any tips?
Much obliged
S
The walls around my bedroom window appear to be made of solid concrete, which made it very difficult to drill the holes for the curtain rail originally.
Now that I fitted some blackout liners the weight has pulled the screws out of the middle section so I need to fill the holes and redrill. Any tips. I tried some Polyfilla but it was difficult to get the stuff in and it didn't even dry solid.
Any tips?
Much obliged
S
0
Comments
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You probably drilled into the concrete linel that holds the bricks above your window. You need a resin type filler and a decent drill0
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Gasman is probably correct. Above the window will be a concrete or steel lintel. Assuming it's concrete, you will need a good hammer drill (preferable a percussion one - there is a real difference) and a good drill bit. Make sure you use the correct size drill for the plug and screw. ie a red plug should have a 5.5mm drill bit (possible 6mm depending on make). You can probably move the fitting by a about 12mm and drill new holes and just fill the old one.
Parrotstuffing (sorry polyfilla,LOl) will not hold the screws with the weight of the curtains on them.
WoodyCity & Guilds qualified Wood Butcher:D0 -
An SDS drill is much better at drilling concrete than a percussion or hammer drill, you can get some real bargains. Screwfix had Bosch sds drill for £70 with free deilivery a few weeks back.0
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That is a real bargain
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Thanks all.
I tried some of that there 'environmentally unfriendly' resin filler, tried to work it with gloves and it just kept coming out of the hole so gave up. As a stop gap I put in a larger size wall-plug and that's holding fine for the moment.
I'll ponder the drill...0 -
just to let you know oh bought the £56 sds drill from screwfix and it is really good.0
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SDS drill all the way mate.0
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I just found this, which shows the difference between two 18v Dewalt drills. One is a hammer drill and the other is an SDS hammer drill-
http://www.ultimatehandyman.org/videos/210/sds-drill-versus-hammer-drill0
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