Flooded basements can be costly and cause extensive damage. Moisture can enter your basement in many different ways.
As far as quick solutions go, installing a sump pump and interior French drain could provide immediate relief. Sump pumps remove excess water from your home by pumping it directly into storm drains; French drains sit within your foundation walls to prevent moisture from entering and further accumulating.
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Cost of Materials
The cost of basement waterproofing varies based on both materials and labor involved in its completion. A cementitious solution costs roughly $40 per square foot to apply and will keep water out temporarily; however, it cannot be used for crawl spaces.
An interior waterproofing membrane is one of the most cost-effective solutions for damp conditions, costing approximately $15,000. A drain tile system uses troughs or French drains dug into the floor around the perimeter of a basement to channel water away from it and costs between $8,000 and $15,000.
Other exterior waterproofing solutions may include using a sump pump to redirect excess water away from your home and into drains outside your sewer system. This relatively affordable method can be combined with a grading plan to divert moisture away from it.
Cost of Labor
If your basement has major water issues, repair and waterproofing costs could quickly increase. Luckily, there are ways to lower these expenses without compromising their effectiveness.
An interior drainage system such as baseboard channels ($30 per linear foot) or French drains is a great way to collect moisture and direct it away from your home. At the same time, sump pumps ($1,290 on average) serve as basins that collect it before pumping it away outdoors or elsewhere.
Improve exterior drainage by installing extended gutters and downspouts, grading the soil to prevent it from pooling around your foundation, and making sure windows have to weep holes or drains. Finally, consider purchasing a dehumidifier to remove excess humidity from the air – these simple fixes will reduce moisture damage to walls, floors, and furniture.
Cost of Sump Pump
Some basement moisture issues can be managed using simple tools and strategies, including ventilation and dehumidifiers. Homeowners can also install indoor French drains to help prevent excess water from collecting around their foundation or within their basement space.
Sump pumps can help mitigate basement flooding. Sump pumps send excess water away through pipes while being protected with a grate to prevent debris from getting inside them.
Damp-proofing is less extensive than waterproofing and typically costs between $3 and $6 per square foot. It works to prevent soil moisture seepage into basement walls and crawl spaces but doesn’t offer as much protection, nor may it be effective in damp climates.
Cost of Interior Waterproofing
Water leaks cause wall cracks, staining, musty odors, and rotting, which in turn can lead to serious health problems in your family. Mold also damages the structure of your home and reduces its resale value – so it’s wiser to address the issue early rather than risk it becoming an overwhelming catastrophe.
Interior waterproofing costs can depend on your chosen method and your home’s layout. Some methods involve sealing walls from within, while others involve excavation and exterior waterproofing.
Drain tile systems — which involve digging into the floor along the foundation to place weeping tiles that channel rainwater toward a sump pump — can cost as much as $15,000. A vapor barrier, similar to interior basement insulation, may also be effective but significantly more expensive, typically costing up to $15,000 per basement.
Complete basement waterproofing projects typically involve yard grading ($900-$3,000), which adjusts relative elevations in order to divert water away from your foundation and away from low spots, settling sidewalks and downspout extensions that could be causing flooding around it.
It also involves checking for low spots, low spots on settling sidewalks or downspout extensions which might be damming water around it – plus any low spots, low spots, settling sidewalks or downspout extensions that might be damming water near it all – when conducting this project!
