Condensation Damp is caused by moisture-laden air coming in to contact with cold surfaces. Buildings with poor insulation and/or ventilation can be very prone to condensation problems. All or some of the symptoms below may be apparent, however some are often not noticed.
– Water collecting in beads or a film on glass and/or painted surfaces
– Damp wallpaper or plaster (the condensing moisture is absorbed, therefore often not recognised)
– Black mould and mildew on walls, windows, skirting boards etc
Causes of Condensation Damp
There are a number of causes for Condensation Damp. These causes can often occur in conjunction with each other which can exasperate the problem.
No one wants to live in a damp home! Excessive condensation causes undesirable living conditions. Damp, staining, wood rot, formation of mould spores on surfaces and furniture. Condensation Damp occurs when warm moist air contacts colder surfaces. Tiny droplets of water condense out as heat transfers from hot to cold.
Reducing Condensation at home
– Keeping the lids on pans when cooking.
– Drying clothes outdoors and not on radiators.
– Correct venting of tumble dryer and other exhaust systems.
– Extraction fans in bathrooms, kitchens and pantries.
– Continuous air circulation systems, designed to recycle air in the whole house.
– Positive Input Ventilation systems, energy efficient and low maintenance devices.
– Air Condition units and air handling units. These can be complex, expensive and maintenance intensive.
Insulation and Draught Proofing
– Warm homes suffer less from condensation, so you should make sure your house is well insulated.
– Roof insulation, loft insulation, floor insulation, internal wall insulation, external wall insulation, cavity wall insulation and basement insulation creates a thermal barrier improving energy efficiency and saves you money.
– Windows and external doors should be draught-proofed, repaired or upgraded to meet energy efficiency standards.
– Set thermostatic radiator valves to low in unused rooms. Gentle heating during central heating cycle
– Local heating, use room heaters with a timer and thermostat control.
– Unused or empty rooms need a good airing from time to time. Open trickle vents or regular venting of the space.
Removing Mould – 3 Stage Method
Spray the area with a diluted bleach solution. This will help remove the staining that persistent mould can leave behind. Leave to dry overnight.
Then spray the area with an anti-fungal wash and allow that to dry. Always follow the manufacturer’s instructions and always wear suitable protective equipment when using chemicals.
Wipe with hot water, repeat all steps for heavily affected areas.
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