Supporting wall and concrete cutting issues

R

ronny78

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When we built our house we built a separate kitchen and dining area, connected by a single archway but otherwise completely separate. The dividing wall is supporting and although I plan to remove this wall in the coming years and put in the necessary structural support, in the interim I was hoping to cut opes in the wall to allow light between the two rooms and also allow visibility.

I thought the best way to do this would be to install lintels over the opes and then cut them out with a consaw. However I think it will need to be done by a specialist company using some sort of track to ensure straightness. Is this expensive work ? The equipment certainly looks like it needed substantial investment !

I’m trying to figure out (on a cost basis) if I would just be better off getting the main job over with now rather than this interim step. Perhaps the demolition of the wall and installation of the beam won’t be as expensive as I think.

Any advice welcome !
 
Whenever I've seen that done they work off the existing block levels so no need to go cutting with a consaw unless you want the world of very fine dust.

Decent drill, medium Hilti hammer would give you a half decent vertial edge which will be covered by frame and or plastered.
 
consaw killed our boiler. No really.....

did as you say, but I even had the entire room taped up and sealed.......yet dust still got into the blower motor and killed it.

Besides, as I found out, consaw doesn't reach cleanly all the way through on one side, due to the drive on the blade, so you're buggered there anyway....
 
You can get [broken link removed] with diamond blades for this work now. Only saw them in action with Tommy Walsh on TV, but look to do a nice clean job.
Leo
 
Consaws are available with a water feed anyway. On older models without this feature it is always possible (with the aid of another operator) to direct a fine spray from a garden sprayer on the cutting line to keep down dust and keep the blade cool. But either way it's a messy job and dust will result!
 
Carpenter said:
it is always possible (with the aid of another operator) to direct a fine spray from a garden sprayer on the cutting line to keep down dust and keep the blade cool. But either way it's a messy job and dust will result!
Click to expand...

I tried that recently with the sprayer. It worked fine cutting a concrete floor, but when it came to the wall it was only half effective. Nearly ruined the engine of the saw with dust and the room was a mess with dust.
 
Hmmm....doesn't sound like such a good idea after all !

I'll see about getting the lintels in and then look at the drill and hilti option. Perhaps I might be as well holding off and doing the whole job right the year after next. Just wanted to give us some encouragement to get a bit more use out of the room now !

Thanks for the advice - R.
 
Looking to cut a door ope in a wall. Any advice on what to use. Is there a product out there that will suck up the dust etc.

The house is furnished & I want to try & keep everything dust free.

Any advice appreciated.
 
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