Black Mould Removal
Black Mould Removal
Black Mould Removal
Black Mould Removal
What causes Strachybotrys atra, humidity and condensation in your house?
Do you have mouldy grey green substance growing in the corners of your room, behind book cases, in the back of wardrobes, even on the fabrics in the wardrobe? Odds are it is probably Strachybotrys atra and it's toxic and possible it could make you ill. This is a fungus that lives in damp conditions and while careful removal is always a good idea, prevention is by far the best treatment.
Strachybotrys Atra will thrive almost anyplace provided that it meets the following requirements:
Humidity
Wetness
Food
The mould is primarily brought about by air born spores landing on moist surfaces , so the primary thing you could do is locate and fix all sources of mould-causing water infiltration such as plumbing leakages, leaky roofs, moisture build-up or condensation, and excessive indoor humidity [e.g., exceeding 50 to 60%].
Black Mould Removal
To prevent Strachybotrys (Black Mold) You can Provide a sufficient amount of heating and/or ventilation.
Prevent mosture coming in from the outside through leakage, seepage
Avoid high levels of moisture/water vapour being produced inside the house How Can Solar Warm air ventilation help the above
Because Solar Warm Air Ventilation forces warm air into the home whenever the sun shines, ventilation is vastly improved, if the correct size is selected properly the air in a room can be changed every two hours.
Solar Warm Air Ventilation also increases air temperature, by providing an addition heat source, with no running costs and no additional moisture.
Why is it important to keep a house dry as well as warm? Moulds and other fungi can thrive in damp property's, particularly in places where there is limited ventilation, like inside cupboards and wardrobes. These tiny organisms produce tiny lightweight spores which can be breathed in. If you smell a musty odour or see mould, you have a problem.
Moulds can create adverse health affects, such as breathing problems, nasal and sinus congestion, plus skin rashes and irritation. A damp mouldy home is bad for peoples health so it is extremely important to keep your house dry to prevent mould growth.
Humidity, Air contains water - this is called humidity. The higher the temperature of the air the more water it is able to hold. Air at 20C can hold a lot more moisture than air at 10C. The term relative humidity describes how much moisture air contains at a given temperature. 100% relative humidity means the air is holding as much moisture as it can at that temperature. The damper the air is in your residence, the more energy it takes to warm your home because it is also heating up the moisture in the air. This means it will be a lot more costly to heat! A suitable range of indoor humidity for comfort and health is ranging from 30-60% during the cooler seasons of the year. Mould is likely to develop if the relative humidity indoors is 70% or more for extended periods of time. Maintaining humidity levels less than 50% also helps to minimise or control dust mites.
Its also possible to live in a house that is too dry! Humidity levels below about 30% can lead to dry skin and nasal passages, increasing the possibilities for respiratory illnesses.
Humidity and condensation, When humidity is raised inside a home and it is very cold outside the water vapour condenses on cold surfaces such as windows. The following areas might have problems with condensation and dampness:
Cold surfaces such as mirrors, single glazed windows, and metal window frames
Kitchens and bathrooms
Solid, uninsulated walls of unwarmed rooms
Cold corners in unheated rooms, particularly where outside walls meet
Wardrobes, cupboards.
Humid air and condensation is going to also be generated by activities people do in their living spaces on a daily basis.
Source of humidity/moistureLitres of water vapour
Meals preparationUp to 3 litres per day
Clothes washing0.5 litres per wash
Showers and baths1.5 litres per person
Washing dishesUp to 1 litres per day
Un-vented clothes drying 5.0 litres per load
Molbile (propane) gas heater 0.5-1.0 litre per hour of use
Breathing, active adult 0.2 litres an hour per person
How to keep your house dry and avoid condensation
There are a large number of strategies YOU can do to minimise humidity and condensation in your home. Four key actions:
Minimize the amount of moisture produced in the home
Provide ventilation, particularly in moisture-prone areas
Increase heating to raise the temperature of the air and the cold surfaces
Insulate the building to warm up cold surfaces and keep the heat in
How Can Solar warm air ventilation help the above ?
Solar Warm Air Ventilation forces warm air into the home whenever the sun shines, ventilation is vastly improved with the integral solar panel driving the fan to push air into the room, if sized properly the air in a room can be changed every two hours.
Solar Warm Air Ventilation also increases air temperature, by providing an addition heat source, with no running costs and no additional moisture.
Low cost options
On dry days open some windows to permit damp air to ventilate outside of the house. It is a lot better to open a few windows a little throughout the whole house. This helps the air to move around the house. One window open wide in one room may not be as beneficial. Try to do this as often as possible (2-3 times a week), but keep windows closed on rainy days as damp air may increase indoor humidity.
Keep covers on your cooking pots and pans when you cook
. Keep the doors to the shower room and kitchen closed when you are bathing or cooking.
Use thermal or lined curtains, keeping them open in the day and closed before sundown. This will capture the free heat from the sun and help to lift indoor temperatures.
You should always wipe excess condensation from windows - if you dont the moisture will accumulate on the frame which may start to rot. It may also re-evaporate during the day, raising humidity levels and making condensation worse when the room cools down or soak in to he wall providing a home for mould.
Keep furniture away from outside walls to allow air much better movement. Cool areas behind furniture will be high humidity areas conducive to mould growth.
Heating
On cooler days try to keep indoor temperatures at least 18C.
Try not to use use a portable gas fire. They create high levels of humidity and are expensive to run. They can also release harmful gases into the air.
Where possible install efficient heating, suitable for each of the rooms being heated Install a heater in your bathroom.
Dehumidifiers extract moisture from the air and can help reduce humidity. However they do not solve underlying problems of moisture getting into your house, excess moisture production in the home, and lack of ventilation and heating.
Drying clothes
Wherever possible, dry your clothes outside.
If you use a tumbledryer, make sure that it is vented outside.
If you must dry your clothes on a clothes rack inside, do this in a well ventilated room with doors closed to the rest of the house.
by: Tommy t Austin
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