Taper Drill
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Building/Plumbing Question - Bathroom Refit?
I am refitting my bathroom. It has a 1970's cast iron bath which has to be removed. It is to heavy really and too cumberstand to lift it out and take it down the stairs (which have a sharp turn and tapering treads on the turn.
I am told you can't smash them up with a sledghammer becasue they are too strong and the impacts will send the bath through the adjacent walls.
I am also told if you you cut it in half with an abrasive grinding disk it will create huge clouds of fine black dust everywhere which will go all over the house. Another has said drill holes on bends/curves for cutting it in half, because this will weaken its monocoque shape.
I am a pensioner and am no longer like Tarzan, so what I am looking for is someone who is skilled and has done this 'trick' before to tell me what is the best way forward in this dilemma.
Well i can help, i'm a plumber, been doing it for years and bathroom remodeling in older homes is my specialty.
Those old cast iron tubs are always a pain in the butt!
There's multiple ways you can do this.
The first would be to get 3 or 4 guys together, wiggle and stand the tub up on one end, long ways and strap it to a dolly and wheel it out of the house and onto a truck. Obviously that way is extremely difficult due to the weight of the tub, considering most of those old tubs weigh about 400-600 pounds, if not more.
Second way would be to get and abrassive blade circular saw and start cutting the tub into pieces, this will take a long time but depending on how much you can lift, you can cut the tub in half or quarters or even smaller if needed. Again, this takes a really long time to do, plus as you mentioned, this creates one heck of a dust mess and the dust goes everywhere regardless of how good of a job you did to attempt to contain the dust, etc.
The third way, the way i most often use, is to get a few good drill bits, and drill holes down the center of the tub every few inches or so.....the closer in proximity that you drill the holes the easier it will be for you to break the tub in half though. ANyway, drill a bunch of holes in line with one another, then get yourself a 5 pound sledge hammer and start striking the tub where its been drilled. the tub will split pretty easily once you have the enamel broken off with a few hard strikes.....Also when you are both drilling and swing the sledge hammer make sure you wear eye protection at all times. those shards of enamel are like glass and can really hurt you, protect your eyes.
as you see, there's really not a super easy way to get that monster out of there, but just remember, they got that big guy in there some how, and in one piece.
If i were you i'd choose from the first option or the 3rd one.
good luck
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