WATER SPOTS ON CEILING AFTER HEAVY RAIN CRACK

Warm air, carries water vapour with it - the warmer the air, the higher the moisture load it is able to support - on contact with cooler surfaces, the moisture in the air condenses to form dampness or water droplets. Buildings with inadequate ventilation leaves the moisture trapped inside the building, which leads to condensation problems to grow quickly.Ĭondensation is caused when warm air with vapour comes into contact with cold surfaces and is possibly the most common form of dampness in buildings as a result of inadequate ventilation. It is often believed to be caused by building defect, but that is usually not the case. This may appear to be rising damp and can easily be confused.Ĭondensation problems within a building are usually indicative of humidity and ventilation problems within a property. Often, condensation occurs at low levels where the surface of the wall is coolest, starting in a corner and then spreading along the length of the wall.

WATER SPOTS ON CEILING AFTER HEAVY RAIN CRACK

The hydrophilic polyurethane grouts seek out water in a crack, they absorb into tight cracks and pores bonding to the wet concrete – creating a very effective and long-term solution in stopping leaks via a concrete crack or construction joints. If the water is entering through the wall to floor joint, an effective and lasting remediation is to inject the joint with flexible hydrophilic polyurethane along the length of the wall to floor joint. If the cause of the penetrating damp has been identified as failing guttering, window / door frames or roofing, these need to be repaired as well as replacing damaged plaster and timber work. Dark mould on inside walls, near skirting board or near window frames.Random damp patches to any elevation on the walls and ceilings.Wet and / or rotting skirting boards are quite often exhibiting corroding nails.Depending of severity: Wet surface or droplets trickling on the surface.Damp patches that grows if the water continues to enter, especially during heavy rain.Discolouration of the interior decoration with the presence of tide marks.These damp patches may appear as shadows on the wall or cause paint to bubble up and crack. The consequence is that the rain water cannot efficiently run away from the walls, causing dampness to seep through. Penetrating damp may take place where there is a defect in the roof, render, brickwork, clogged or damaged gutters or downpipes and window frames that allow for water to enter the building materials.Ĭommonly, penetrating damp occurs on external walls where the external ground levels are higher than the internal floors or there is an incorrect fall away from the building. In lack of impermeable insulation in the wall cavity, the moisture held in the cavity wall insulation will gradually travel to the inside wall pushing dampness through the plaster coat, paint or wall paper. Penetrative damp can affect at any level of a building, predominately areas that are exposed to severe weather conditions. The dampness form isolated patches on walls that typically increase in size after a storm. Penetrating damp (or lateral damp) is usually caused by water entering the exterior envelope of the building.

Summer time brings us heavy rain falls, sometimes combined with driving winds that pushes rain and moisture through the brickwork or masonry.

Water spots on ceiling after heavy rain