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We have dark marks on EVERY wall of our townhouse!

0 votes

Jenny
Submitted on 2011/11/20 at 7:41 pm

It sounds like those things described in your stains on walls article might be the cause of our problems. We have dark marks on EVERY wall of our townhouse. they seem to be in line with the framing and nail holes. The marks are also on our ceiling, especially the bathroom ceiling. It was discovered a couple of years ago that the bathroom fan vent was ventilating into the attic (an error from the condo corporation & the previous owners)so we assumed that that was the problem, now I am not sure.

There was mould in one corner or the bedroom (above the garage) when we purchased the house that has been taken care of. Can candle soot cause the markings on all the walls of our home?

We have electric baseboard heat, and the areas of the wall above the heaters are black as well?!?! We are hesistant to repaint until we know what the problem is and I am concerned that there is a bigger issue (mold?) and how it affects our new baby’s health.

asked in Interior Walls by darekrudy (21,730 points)
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1 Answer

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Jenny,

Generally Black marks as you described are sometimes caused by improper insulation, the result is air movement behind the walls, and eventually manifests as black streaks or marks on walls and cielings, and yes soot from fireplaces, smoking, candles and gas heating elements will be drawn to these areas and provide those telltale marks.
answered by woodrogue (160 points)
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