Old cast iron air ventilation grille?


Postby prbaxter » Fri Mar 14, 2008 10:55 pm

In my bathroom, my current project, there is an old cast iron ventilation grille in the wall. It currently has a cheap white plastic grille cover on it.

I'm going to be wanting to remove the cast iron grille and as per my sparky's advice, replace with a sheet of wood, screwed to the wall flush, of which a 100mm hole will be cut in the centre and an electric extractor fan fixed to it.

So, how would I go about removing the iron grille? the house was buit in the 1920's, so screws are unlikely to be holding it in.

Any ideas?

Baxt
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Postby welsh brickie » Sat Apr 12, 2008 10:01 am

smash it with a hammer .
fit small length of soil pipe brick around it and plaster
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Postby prbaxter » Fri Jan 09, 2009 9:54 am

it just fell out in my hands.

behind the grill was a brick tunnel throught he cavity.

I installed in its place, a square piece of 9mm ply with a hole in the centre. On the back was a piece of waste pipe with a small grill on the end to stop bugs climbing in.

On the front, I installed a low voltage extractor fan, which is screwed to the ply and slots throught the hole. the ply was plastered over and tiled around the fan.
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Postby TheDoctor5 » Mon Jan 26, 2009 9:54 am

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