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DIY Concrete Installations– the best way to get it done correctly the first time

Among one of the significant challenges with an installation is having a job that deals with concrete. Putting onto concrete will involve core-drilling the holes into your concrete base and setting the posts with a super fast set grout. Considering this involves drilling into concrete, it can be even more harmful than simply attaching to a timber deck. An alternative here is to have your fence line marked out, the position of where each and every post or spigot (mini-post) also marked clearly and then to get the services of a concrete cutter. This would certainly remove the need to hire or purchase an expensive concrete core-drill and most concrete cutting/drilling companies will generally give you a cost per hole that you want cut.

Concrete Core-drilling Tips

Protection is always critical! So if you do make a decision to drill the holes yourself please keep the following points in mind:

  • Always ensure your core-drill is safe to use mechanically and has no breaks or splits in the electrical wire.
  • If using the hand-held variety make certain that the cable will not be wrapped around any part of your body or nearby constructions.
  • If using the portable machine version with a stand, make certain the area around the drill body is clear of any clutter and or other building materials.
  • * Important * Always ensure that the core drill bit is vertical and that it could run down the full depth of the hole without going to one edge. This is important because if the drill piece does go slightly off the vertical axis it will snag on the edge of the hole and pitch the drill. This can cause major injuries to the operator.
  • Before drilling ensure there is adequate supply of water to the drill and the water is activated, not only at the tap but on the core drill tool too.
  • When drilling, keep the downward resistance up to the drill. If there is insufficient pressure applied, the drill bit will not cut down, if there is an excessive amount of force applied then the core-drill bit may cut a little quicker but the bit will lose its edge very quickly and not last.
  • After the core has been drilled and you have a round opening into the concrete, the core can be removed sometimes with a delicate tap with a metal hammer on a slight angle. If it doesn’t come loose through this then try to edge a small cold chisel into the gap and delicately tap it so to not ruin the concrete or tiles, or whatever your surface is.
  • Some concrete will have steel reinforcement set in the concrete and this may be grabbing as you attempt to remove the core. It is best to gradually increase the force of your tapping with the cold chisel up until it comes loose. This will see to it that there is no collateral damage to the surrounding floor.
  • Once the core has come loose from the bottom then you can just lift it out. If you can’t get a sufficient grip then would suggest using a pair of metal kitchen tongs to grab the sides of the core. If it still doesn’t want to come out then it is most likely that it is still secured by some reinforcing steel. Complete the drilling technique in the same hole.

If you wish to learn more about DIY Concrete installations, or get some suggestions about other types of pool fencing, call us on 1300 937 902 and look at a few of our pool fencing success stories. at

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