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I have a similar situation - there is just a single thickness of brickwork between the open porchway and the inside wall surface of the front room where the gas and electric supply boxes are. Condensation occurs on that wall and especially within the services box. The black mould can be...

-12 deg C if you include a calcium chloride/aluminium chloride antifreeze in the mix. The Finns. Russians. Scandis etc dont stop building just because it gets to freezing point.

I'd suggest you do some homework with Google or other search tools: Lime Mortar Mix is a good starting point. It's a growing market, and the products should be comparable from the various companies selling them. Considering the somewhat "hidden" area that is being repaired, a tub of...

Your London yellow stocks have been re-pointed in a weatherstruck style with a mortar that was almost certainly Portland cement and sand. What could have been a small window has been bricked up with reclaimed bricks (note soot staining) in a different coloured cement and sand mortar, with...

Upstairs there is a problem, but not downstairs. That suggests a pooling of warm moist air at the top of your house. Is the downstairs open plan, or can doors downstairs be shut during the day and at night? What happens if you keep the doors shut if you can? Do you shut rooms upstairs...

"The wall is saturated" I'd check this out. Your bricks below the DPC on the outside are probably saturated due to groundwater. You can often check this by drilling into a brick and into a mortar bed at ground level, and the drill bit flutes should be filled with a clay-like sludge, and steam as...

I once lived in a flat with a solitary Worcester apple tree in the garden. It had lots of windfalls, and they were very sweet, but rather small. I had several buckets full. I had not got a press, so I cut up the apples, added a little water, and used a blender, and filtered through nylon net...

Windows 8 - which has been around since 2012, and more recent versions - have been designed to be switched off in various ways using the on/off button of the PC/laptop/tablet. In the first version of Win8 there was utter confusion among many PC users who had upgraded where the shut down...

Chemically you have the major salt sodium chloride (there are others, but less important)in a wall that is recently replastered with calcium sulphate dihydrate - gypsum plaster - I guess. In the presence of water, the only very slightly soluble calcium sulphate and highly soluble sodium chloride...

If your car windscreen mists up with condensation, you do not turn up your aircon to eco and max AC (equivalent to using a dehumidifier), you don't open the windows for ventilation either, especially on a wet day. It would take ages to demist the windows by those methods. For best effect you...

The email for enquiries about Anaglypta products is: [email protected] The stock answer for "can you match this old embossed paper" (when they can not match it) is: "...we will always try and help people with matching old and existing patterns, the first step is take a few...

Baidu Spark Browser has the built-in ability to download streaming video and MP3s including YouTube: http://en.browser.baidu.com/ It is a chrome-type browser with other facilities like a media player, and it also has a torrent client to download directly from pages with torrent links...

Now you could find a sufficiently large thermos flask and a waterproof sealed bag for the PSU to be immersed in water in the flask and measure the temperature rise over time to discover what the approximate energy loss was...

When your car windscreen is covered with condensation, you blow air over it. Even cold air before the heater kicks in starts to demist it. You do not suck the air out of the car, or open all the windows and expect the condensation on the windscreen to evaporate any time soon. If you have...

Windows, double glazed and uPVC not excepted, are subject to condensation because they are colder than the room air during the autumn, winter and spring months. The condensate runs down and pools on the sill, eventually penetrating through pores and cracks into the reveals, the walls nearby...

Where the air has little movement - in corners at the top of walls and at the bottom of walls there is a chance for the walls and air to develop a large enough temperature difference for the wall temperature to drop below the dew point for the moist atmosphere in the heated room, when the...

Fans. Oscillating desk type ones - 40-80W. Keep the air moving to keep the temperature differential between air and glass small. The smaller the difference, the less chance of condensation forming. Do not increase heating - which will only increase the capacity of the air to hold more water.

I think the surround is from the 1960s, when the clean air acts led to people replacing their original cast iron or enameled coal grates with gas or electric fires. The tiles of the hearth base have never been baked with a real fire. It reproduces an art noveau style as in late Victorian and...