Basement waterproofing contractors usually provide some form of drainage system as one of their services to solve a wet basement or crawlspace. While drainage is critical to solving water problems, it is also crucial that homeowners understand the purpose and limitations of waterproofing their homes.
The definition of waterproofing is the process of making an area impervious to or unaffected by water. Residential waterproofing is necessary to allow basements and crawlspaces to become useful areas of the home. Basements can be converted to new living space without the usually damp and musty smells that generally accompany a basement. Methods of waterproofing include exterior and interior systems, each having their benefits and drawbacks.
Much criticism of interior waterproofing has been made due to the unregulated nature of the industry. Many less than credible contractors install systems without real knowledge of their actions. These objections can be overcome with a sealed system of basement waterproofing. By not allowing collected moisture to re-enter a home these sealed systems can help with decreasing humidity, mold spore and radon levels by their nature of being sealed.
These waterproofing systems are installed along the interior perimeter of the basement dumping their contents into a sump pit then expelled by a sump pump. The drain tile is installed next to the footing and encased in crushed stone to filter potential clogs. Once the drain tile is set in place and connected together the system is completely covered with concrete keeping the water and gases from entering the interior living space. While many basement waterproofing systems install below the floor on sealed systems install next to the footing instead of being placed on top.
Systems that are placed on top of the footing are done so to gather water that runs down the walls. The major issue to with this type of system is the back is left open for wall water. This open back design also allows collected water and gases to reenter the living space causing higher humidity levels and possible radon infiltration. So when your basement must be waterproofed from the interior specify a sealed drainage system to protect your home and family.