You can go into the attic and look down into the interior walls and see the drywall.
Cold air coming through bottom of wall.
The front vents on the bottom of fireplace is where the cold draft is coming through the top vents not a noticable draft any reason why.
Drafts can be found in places such as.
Replace the cover plate.
Windows doors attic hatches pipes leading outside and ceiling to wall joints.
Stopping cold drafts requires a two part solution.
The gaps between the baseboards and the walls are a likely place for this cool air to enter.
To block cold air from blowing in around an electrical outlet remove the cover plate and press a soft rubber gasket over the outlet.
The most common effects of cold and damp on interior walls are clusters of condensation in early stages black mould damaged plaster in extreme cases the plaster starts to blow off the wall and occasionally a build up of a white salt like substance hygroscopic salts produce a white staining and salts can instead present as a raised crunchy salt deposit which can blow your plaster.
Cold air coming through cracks and crevices in a window will lower the temperature of a room and make your walls cold.
That means that cold attic air gets down into those cavities.
Use minimal expanding foam to fill holes and gaps around all wall penetrations including holes for cables vents and pipes.
To fix that he sprayed just under 2 inches of foam any more than that and you re taking.
Warm air rises and if your house isn t properly sealed this air escapes through the ceiling and walls drawing cooler air from below to replace it.
Heatilator ec36 woodburing firplace 01 23 2008 11 09 am 9.
Seal doors for winter.
They have insulating materials on.
Cover your windows with thermal draperies.
The cold air that enters into your home through these uninsulated spaces can.
Warm air rises and as it does cool air rushes in to take its place creating a draft that appears to originate on the floor.
Keep the cold air.