To block cold air from blowing in around an electrical outlet remove the cover plate and press a soft rubber gasket over the outlet.
Cold air coming through bottom of wall.
Cover your windows with thermal draperies.
The gaps between the baseboards and the walls are a likely place for this cool air to enter.
The room has bricked wall with palster board and painted ontop which seem to be always cold i suspect that there s some cold draught coming throught the wall during the night if you face the.
They have insulating materials on.
Replace the cover plate.
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.
Use minimal expanding foam to fill holes and gaps around all wall penetrations including holes for cables vents and pipes.
With cold air inside the wall and warm air on each side in the house heat moves through the drywall which has a low r value and warms up the air in the cavity.
Drafts can be found in places such as.
Cold air coming through cracks and crevices in a window will lower the temperature of a room and make your walls cold.
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.
Windows doors attic hatches pipes leading outside and ceiling to wall joints.
Using an infrared sensor we discovered that a lot of the cold air was being drawn in through these walls.
Stopping cold drafts requires a two part solution.
That means that cold attic air gets down into those cavities.
Seal doors for winter.
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.
You can go into the attic and look down into the interior walls and see the drywall.
To fix that he sprayed just under 2 inches of foam any more than that and you re taking.
Keep the cold air.