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Miss C 05-04-2013 10:27 PM

Help! the floor board under carpet stinks
I want to replace the carpet as I am renovating. However, I have a smelly issue with the floorboards under the (now) removed carpet. I believe the board is masonite or MDF, and I removed the carpet and underlay as it smelled of mildew. The smell is still within the boards, and I have left the room to 'breathe' for 4 weeks but the boards still smell. Does anyone know what can be done, as the room is unlivable with such an odour?:eek:

user1007 05-05-2013 04:40 PM

If they are dry, you might try a primer like BIN. It is an alcohol based product (so use plenty of ventilation) and commonly used for sealing in odors such as in homes where heavy smokers have tainted walls and ceilings.

Some have used Zinsser Cover Stain. It is oil-based primer.

Note that primers are not really meant for floors but in this instance, if padding and new carpet is going over them it might work out. You may have to put a moisture barrier down but then you reduce the ability of the floor to breathe and you may cause a worse situation long term.

Obviously you should source the source of the moisture that is causing this or anything you do is likely to be temporary.

You might ask your real flooring company or real paint store for recommendations. You will just get a "deer caught in the headlights" look at a box store.

sam floor 05-05-2013 04:56 PM

Kilz or plain shellac will kill the odors but won't help with moisture.

Canarywood1 05-05-2013 06:10 PM

If it's masonite or mdf pull it up and replace it,you'll never get rid of the smell.

Miss C 05-10-2013 10:58 PM

Thanks for everyone giving me ideas! I am in Australia, so I don't think we have the same name brand stores/ and or products....but all ideas are helpful! Thanks to you all :-)

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