Are you going to have a shower cabin or shower walls/curtain?
Either way, the surface needs to be slightly torn, so that the screed and waterproofing can adhere, but it's probably enough to tear it off with a concrete grinder and then use leveling compound on the floor 10-15mm, to lay tiles on it.
Consider using self-leveling compound during casting, for example, instead of concrete. Concrete has the unfortunate property of taking at least 3 - 6 months to fully cure, and it shrinks during that time. This means you should wait 3 - 6 months (depending on the instructions from the adhesive manufacturer) before you can lay tiles on the surface.
If you use self-leveling compound or some form of quick-setting concrete, you can lay tiles within a day. Yes, the sealing layer does take some time, but not 3 months.
Jula's red hammer drill is really good value. It's a bit noisy and heavy compared to more expensive machines, but for chipping, it works excellently. Buy one and give it a try. If it's too weak and takes too long, then it's time to rent something significantly larger, but the hammer drill is still good to have for precision work in corners and around drainpipes.
It's 'fulldyr' again, meaning the recent campaign is over.
For 899:- you can probably get a lot of rental equipment.
I paid 1150:- for a TE-500 with dust extraction (2 days) and an air purifier (smaller model, 1 day) last week.
Eh - Swing by Älvsjö with a bag of beer and you can borrow my GSH16-28 with a stack of chisels and get a 5-minute crash course.
If for some strange reason you need a Rotary Hammer at the same time, I have a couple.
Feel like the demolition hammer needs some exercise, it hasn't seen concrete for quite a while now....
"- As usual, it is not the person in the picture who wrote the letter...."
If you're going to rent, rent the Hilti TE 1000 as janus82 mentioned. Comfortable for chiseling floors if you use the long spear. And at the same time light and agile enough for chiseling out wells and pipes. The TE 905 size was my all-around favorite before, but Ramirent in Skövde no longer has it in their range because it apparently vibrated too much (in the hands).
I actually bought a Scheppach from Jula. 2500 SEK. Almost a bit too powerful for removing filler and tiles on 10m2. The advantage is that I'm so slow, so renting feels troublesome. Didn't have to this time. Then I have some other demolition projects...
Rented a decent Hilti at Cramo yesterday. It cost 200 kronor (including tax) for a day.
Unfortunately, the chisel broke straight off after half an hour, so I had to finish with the point. When I returned the machine, the guy behind the counter said "Why didn't you call? We would have delivered a new one to you!".
So, that's yet another argument for renting machines you rarely use.
Exactly, rental companies are usually extremely service-minded. They rent out a function and are responsible for ensuring it works.
I had a similar situation with a padda where the starter rope broke, so I called them and asked if it was OK for me to open the machine and put in a new one that I had lying around. They said that would be fine, otherwise, they would come out and fix it. Although, they mentioned they were a bit short-staffed at the moment, so I might have to wait 30 minutes before they arrived, and since I had trouble with the machine, they'd let me keep it an extra day if needed...
It is probably feasible to chisel the things you mention with a regular rotary hammer, but it will be hard work and take a lot of time. For the same money that you buy a simple rotary hammer at Jula, you can rent a real professional machine that will get the job done in an hour, and it will be fun all the way. With a regular rotary hammer, it could take 1-3 days and you're a bit unlucky.
I have roughly the same question x number of years later after this thread was created. Would another chisel hammer be better to use? Would it be faster for me to use a more powerful 'Rotary Hammer' than the one in the picture?
Hope for a response 🙏🏻
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