Setting amount of gap on window opening?

The windows here are UPVC with the dual position opening. I've just fitted roller blinds and there's not much chance of using them when the side hinged opening option is in use but it'd be nice to have a clear drop for the blind when the windows are hinging at the bottom and opening inward at the top. Trouble is, the windows open inward too far and looking at the integral metal stay that limits the opening amount, there doesn't seem to be any shortening adjustment available. Can anyone tell me if I'm missing an obvious way to adjust the degree of opening?
I suppose I could put a folding window stop in the reveal but I'd rather minimise the bits and pieces of external hardware if possible. If it's going to have to be the external stop, can anyone please tell me where I can buy the folding brass type. or what the proper name for them is?
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Tony Halmarack

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A piece of small link chain cut to the length you need with a couple of nice washers or screw caps and a couple of small self tapping screws, long enough to go through the washer the chain and not to far through the UPVc. Fit one end of chain to the surface of the outer frame and the other end to opening frame. Now the window can't be opened any further than chain allows.
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BigWallop

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wrote:

That's an interesting possibility, with some adjustment potential. Thanks for the tip.
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Tony Halmarack

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I assume you are talking tilt and turn windows,There is a safety issue hear if you use some form of stay to restrict the opening you will also restrict the ability to open window in emergency.
Have been all round this one with customers who hate these type of windows, there is no way round it leave it as designed or change the window style.The consequences could be severe
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But if the chain is fitted on the hinge side, then it wont restrict the window from opening right up like a door, it'll only restrict it from tilting in as far. Your thoughts are not thought out enough me'thinks.
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"Tony Halmarack" wrote | >I assume you are talking tilt and turn windows, | Phew! Yes! I was wondering if readers would recognize the type of | window from my description.... | In many ways these are the best windows I've ever lived with. Lots of | light, low maintenance and from an aesthetic viewpoint they complement my | melamine furniture and avocado bathroom suite perfectly. The conflict with | the roller blinds is minor and temporary.
A possible way round this is to mount the roller blind on the top bar of the window rather than on the frame, so the window can be tilted in as much as is wanted.
A couple of strong magnetic fasteners mounted on the bottom bar of the window, with associated metal bits on the bottom of the blind, will hold the blind bottom close in to the frame and stop it swinging about.
Owain
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wrote:

What a good idea! I'd never have thought of that. It would certainly overcome the main problem and the magnet idea would keep the dangly bits out of the kitchen sink.
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Tony Halmarack

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