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UPVC Porch

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ray bush | 15:40 Fri 17th Nov 2006 | Home & Garden
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Have just finished building a 2mx1m porch in UPVC ,it has a solid concrete floor ,poly carbonate roof and 20mm double glazing .I've noticed that i get some condensation on the glass .Unfortunatly i do not have any opening windows owing to its size .Any ideas how i can stop this . Regards
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Is the concrete floor new? If so, thats where the moisture is coming from. As Zac says, you have got to get some ventilation in. I know it defeats the object in the short term, but can you leave the outside door open?
Hi Ray, Presumably the condensation is on the inside of the porch.
If you have enough room at the top of the windows, by that I mean the profile, then maybe you can get slimline vents to put in.

Measure the amount of profile shoing from ceiling to glass and you should find a vent suitable. These vents come in about 4 different lengths so make sure you do not get one too big ( lengthwise )

You drill a series of holes through the profile and fix the vents on. They have an open and shut position and in the open position may help with your problem. It is a standard procedure nowadays and new houses should have them fitted in the bedrooms, so if you look around at other windows in your street youy will see what I mean.
Rgds Al
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Thanks for your answers.
The floor is of concrete construction with a plastic membrain .The roof is polycarbonate and therefore has no ventilation in the roof space.I f the problem persists i'll try what has been suggested and install a few vents.

Thanks to you all .

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