How to fix a wet basement

Posted Mar 31, 2021 in Foundation Crack Repair, Waterproofing, Window Wells and Covers, Sump Pump Solutions, Bowing Walls

Wet basement 2

A flood­ed base­ment is a dis­as­ter no home­own­er should have to face, but when it hap­pens, it’s impor­tant to respond in a safe, sen­si­ble way. The best route back to a safe, clean and dry base­ment depends on what you do, who you call, and what deci­sions you make. Our tips below can help you recov­er from an acci­dent or a storm that caus­es water to come into your basement.

Pri­or­i­ty: Stay safe

A wet base­ment is a safe­ty haz­ard. Stand­ing in the water while han­dling any elec­tri­cal device can cause shock or elec­tro­cu­tion. If you must go down into a flood­ed base­ment, wear rub­ber boots and make sure you can stay dry. Don’t touch wet elec­tri­cal wires or devices. Don’t try to vac­u­um up stand­ing water unless you can plug a wet-dry vac­u­um into a dry elec­tri­cal out­let and oper­ate the vac­u­um accord­ing to the manufacturer’s instructions.

Fol­low these steps to solve base­ment water problems

There are a num­ber of ways that water can get into your base­ment. That’s why it’s impor­tant to think care­ful­ly before you call a con­trac­tor or decide on a course of action. Here are some steps to take if you encounter a base­ment water problem.

1. Have stand­ing water pumped out as soon as possible.

If your base­ment is only par­tial­ly flood­ed, you can suck up stand­ing water using a wet-dry vac­u­um. Oth­er­wise, you’ll need to call in a pro­fes­sion­al to pump the water out. After pump­ing the base­ment, it may be nec­es­sary to run a dehu­mid­i­fi­er to help dry out the area.

2. Remove mate­ri­als and items that might attract mold.

If your base­ment has flood­ed, some mate­ri­als and items can be dried out and saved, while oth­ers are best dis­card­ed. Organ­ic mate­ri­als like paper, fab­ric, wood, and leather will attract base­ment mold if they remain wet for more than a day or two. Dry out and save what you can; dis­card the rest if possible.

3. Take steps to con­trol water out­side the house.

Are your gut­ters and down­spouts work­ing effec­tive­ly to direct roof runoff away from the house foun­da­tion? If not, cor­rect prob­lems with clogged or over­flow­ing gut­ters, and install down­spout exten­sions as nec­es­sary to pro­tect the foun­da­tion from exces­sive hydro­sta­t­ic pressure.

4. Pro­tect your base­ment from plumb­ing leaks.

Make sure to replace an old tank-type water heater before the inte­ri­or rusts out and caus­es a major base­ment flood. Rub­ber sup­ply hoses for your wash­ing machine should also be replaced if they show signs of crack­ing. Check water sup­ply and drain lines for leaks, and pro­tect water lines from freez­ing and bursting.

5. Install a war­rant­ed perime­ter drain and sump pump system.

The most effec­tive way to pro­tect your base­ment from water that leaks in from out­side the foun­da­tion is to install an inte­ri­or drain and sump pump sys­tem. The water is piped to a sump pump that auto­mat­i­cal­ly dis­charges the water out­side your house.

6. Replace leaky base­ment win­dows and win­dow wells.

Dur­ing wet weath­er, old win­dow wells can fill with water, which then leaks into the base­ment through gaps and cracks in old base­ment win­dows. This prob­lem can be elim­i­nat­ed, by installing new base­ment win­dows along with a new win­dow well with a match­ing well cov­er. These upgrades will do more than pre­vent water leaks; they’ll also make your base­ment more attrac­tive and more energy-efficient.

About the Author

Maria Kirchner, founder of Family Waterproofing, is a waterproofing expert with extensive hands-on experience in basement waterproofing, concrete raising, and moisture prevention. Passionate about staying ahead through annual training, she shares practical tips on her blog to empower homeowners—like tackling sinking slabs with polyurethane foam for quick, cost-effective fixes. Her customer-first approach has earned hundreds of 5-star reviews, helping families protect their homes with confidence. Connect with Maria for personalised advice: Contact Us.

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  • Thank you for final­ly get­ting rid of my flood­ing prob­lem. I had almost resigned myself to liv­ing with the Black Lagoon in my base­ment. You were able to iden­ti­fy the real prob­lem with my leak by using some empir­i­cal evi­dence rather than guess­ing and charg­ing me for fan­tas­ti­cal projects. Above all, you talked to me as if l am an intel­li­gent per­son instead of the lit­tle lady” who needs her hus­band to make a deci­sion. Final­ly, the extent and care of your pro­pos­al, with its exten­sive pic­tures, con­vinced me that you are an hon­est bro­ker. My base­ment stayed dry despite the recent tor­ren­tial rains. I would be hap­py to rec­om­mend your work.

    Paris