Use card board and reinforce with wood strips
Least expensive usually translates to least effective. The cheapest choice for damp-proofing a basement is usually a coating of waterproofing paint, like Drylok sealer on the interior masonry walls.
Unfinished basements are basements who are not made suitable to be counted as additional living space. They are usually uninsulated, with bare concrete or stone walls, and bare slab or dirt floor. Unfinished basements are commonly used only to store unused items, utilities, appliances, and in some cases, a laundry room.
To simplify this as much as possible, an unfinished basement is a basement that is lacking the elements that would typically be seen in a finished room. These would include items like flooring, ceilings, insulation, and finished walls. Typical unfinished basements are as such quite bare, usually with the cement of the foundation making up the walls and the flooring, with the inner workings of the ceilings exposed.
There is no minimum. It only has to be protected from damage.
You could, but the technology isn't that common, and it's pretty expensive.
Basement wall repair is something that people tend to take for granted until a major repair is needed. Basement walls should be analyze by a professional contractor at least once a year to look for any spots where damage could be occurring. There are several good reasons why it is important to monitor basement walls and get basement wall repair when needed or recommended by a contractor.LeaksEven if your basement has always been dry, it could start to leak if you do not keep your walls under regular observation. Many people have finished basements with expensive floor coverings, furniture and electronic equipment in them. If the basement walls are not monitored, then all of that expensive property is at risk.Water in your basement can also create health hazards such as mold and other airborne issues. It could be something that is not happening in high traffic areas, so it could be missed. The water could be getting under rugs or collecting in spots in the basement where it cannot be seen until the mold and other hazards are extensive.Foundation StabilityAny size crack in your basement walls can be the indication of bigger problems looming for your foundation. Some foundations can start to crack due to stress while others crack due to age. The wear and tear of protecting the basement from the moisture and other elements can also cause cracks in the foundation. If you have added a significant amount of heavy furniture to your home, then that could contribute to basement wall cracks.The foundation of a home is extremely important. The fact that cracks in the basement walls could indicate problems with the foundation should be ample motivation to get an annual basement analysis from a professional. If cracks are observed in the basement walls prior to the date of an examination, then get the contractor to push the date up and get the walls looked at as soon as possible. A foundation can be an extremely expensive repair. If basement wall cracks are found soon enough, then the home's foundation can sometimes be reinforced and saved.
A basement where the walls have not been drywalled or plastered.
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It is important if your basement is unconditioned space. If your basement walls and floor are insulated it is not so important.
Copper pipes are used for plumbing. They are usually in interior walls or the basement. Typically, at least here in the North east, you would try to keep them out of exterior walls to keep them from freezing.
You can remove mold on limestone basement walls by using mold remover. Bathroom cleaners and bleach also work well for this use.
Sani-tred.com offers a complete waterproofing basement system. They guarantee their product will protect your basement 100% from water damage. This is a two step system where you paint coats of solution onto the walls in layers, giving you a water free basement.