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Old 22 November 2009, 11:51 PM
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dpb
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Default What holds a double-glazed (plastic) ...

Window frame in place

Our lounge top edge has been bowing in and out by about 10mm in the 50knots squalls weve been having , last sat and possibly this week ..!. The other frame sides aint moving.
Old 23 November 2009, 12:08 AM
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pandyman
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Originally Posted by dpb
Window frame in place

Our lounge top edge has been bowing in and out by about 10mm in the 50knots squalls weve been having , last sat and possibly this week ..!. The other frame sides aint moving.
Typically the top of the PVC window is held in with.......wait a mo....
YEP, **** all!! except the strenghth of the silicone sealing the perimeter.

The plastic window federation do however recommend all windows over 1500 mm are fixed at the head to prevent deflection, in practise most window fitters cant be arsed to try drilling through a steel lintel.

Some windows are held in place with what is affectionately known as 'crazy foam' ...(expanding foam) and do not have any means of mechanical fixings at all!! scary!

Sorry for the negativity
Andy
Old 23 November 2009, 12:28 AM
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Thanks

Intresting , this would account for the movement and bloody great draft lol

I presume even crazy foam cant move 10 mm.

Just as long as the whole window doesnt blow in ! , i guess we'll get it resaeled ( if even a dry day arrives )
Old 23 November 2009, 02:43 AM
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if you have any sashes on the top then you should be able to get a fixing in there, if not then you need to remove the glass to fix it, re-sealing will prob just be a temp solution
Old 23 November 2009, 08:47 AM
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Simon K
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This is such a common problem. Like someone above stated, fitters should use long bolts / screws to tie the frame into the wall, but usually just leave it to the expanding foam to hold the window in.

I had new windows put in a few years ago, and stayed watching what they did, ensuring bolts where used.

To fix, you will have to remove your beeding, security tape ?( if used ), then drill a few holes, and use some screws / bolts to fix the wind in.

SBK
Old 23 November 2009, 09:36 AM
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Are fixing lugs not an option on PVC windows?
Old 23 November 2009, 09:46 AM
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Originally Posted by Simon K
This is such a common problem. Like someone above stated, fitters should use long bolts / screws to tie the frame into the wall, but usually just leave it to the expanding foam to hold the window in.

I had new windows put in a few years ago, and stayed watching what they did, ensuring bolts where used.

To fix, you will have to remove your beeding, security tape ?( if used ), then drill a few holes, and use some screws / bolts to fix the wind in.

SBK
That's shocking, and I must say I've never seen that(I used to fit windows), even in old windows I've removed. Expanding foam fixings?
Old 23 November 2009, 09:50 AM
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Dont really know what ours are surrounded by , looks like concrete , possibly steel at top for all i know ( 1970's terrace )

getting pulpitations watching it sway to and frorth tho lol



I cant imagine many glaziers volunteering to do anything whilst its blowing like this !

Last edited by dpb; 23 November 2009 at 09:53 AM.
Old 23 November 2009, 10:02 AM
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Ours are held in by stainless steel screws going at right angles into the brick surround.

Les
Old 23 November 2009, 10:23 AM
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......'but usually just leave it to the expanding foam to hold the window in'.. ..


What on all 4 sides !?
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