Subfloor Options For Basements - Basement Tanking simplified means keeping water from your basement or below the ground structure. Your cellar doesn't have to be completely underground either to possess possible problems with water. Even sloping sites where your cellar is built into a hill side or has just 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 you will find just two means of tanking a cellar. The first method is to use an external system. These systems when applied to the exterior of the structure form a barrier to prevent water entering the construction. To use this approach you can only really do this when building a new cellar. Successful external cellar tanking means forming a waterproof membrane barrier equally underneath the cement slab and up the perpendicular surfaces effectively creating a waterproof tank around your cellar.
It has benefits of keeping the construction dry and employing the ability of any water current to push the membrane onto the structure. Many designers use a land drain at adjoining externally to the wall floor intersection footing. This is the area where water pressure is at its best and the land drain intercepts water and diverts it away from the applied membrane and also the structure. You will find a variety of unique products available to people using this option when cellar tanking including, paint or spray applied liquid membranes, torch on/heat welded membranes, bonded sheet drains, clay matting membranes etc..
Please be aware that although it may seem simple in principle that the detailing and site requirements can be a substantial problem in getting these systems placed in correctly. It just takes one mistake in workmanship in employing external cellar tanking goods and you may have a very waterproofing catastrophe. Wet, muddy and also very cold states may not suit the manufacturer's recommendations when employing this sort of system be very conscious that unless you follow their guidelines you may not have any recourse if things go wrong.