Moisture On Basement Walls Behind Insulation - Your basement does not need to be completely underground either to have potential problems with water. Even sloping sites where your basement is built into a mountain side or has only one wall with earth up against it means that you might have a problem with water later on. So what are your Basement Tanking Options. ?
Simplified there are two ways of tanking a basement. The first technique is to utilize an external system. These programs when applied to the exterior of the structure form a barrier to stop water penetrating the building. To utilize this approach you can only do so when building a new basement. The area to pay close attention to is the wall floor intersection. Successful external basement tanking means forming a waterproof membrane barrier equally underneath the cement slab as well as the vertical surfaces effectively creating a waterproof tank around your basement.
This has benefits of maintaining the construction dry and employing the power of any water present to push the membrane on the structure. Many manufacturers use a land drain at adjacent externally to the wall floor intersection footing. This is where water pressure is at its best and the soil drain intercepts water and diverts it away from the applied membrane and the structure. There are an assortment of different products available to people utilizing this option when basement tanking such as, paint on or spray applied liquid membranes, torch on/heat welded membranes, bonded sheet membranes, clay matting membranes etc..
Please be aware that although it might seem simple in principle that the detailing and site conditions can be a significant problem in receiving these systems put in properly. It just takes one mistake in workmanship in employing external basement tanking goods and you may have a really waterproofing catastrophe. Wet, muddy and also very cold conditions might not match the manufacturer's recommendations when employing this type of system be very conscious that unless you follow their guidelines you might have no recourse should things go wrong.