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Step 1
Install anti-flood barriers in newly built homes. These barriers may help prevent water from seeping in through the basement, or at least slow its entrance. You can also retrofit older homes by adding anti-flood barriers, although this is more expensive than building them in to new construction.
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Step 2
Check for proper drains around the home, particularly near the structure. Be sure they are clear of any debris and that the drains are working properly. Drains that are full of debris or other objects will cause a backflow of water that will result in flooding inside your home.
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Step 3
Fix or replace broken gutters around the home. Clean gutters regularly to remove builtup leaves, birds' nests, and other debris that choke the gutters and force rainfall to enter at the roofline. Consult with a roofer to see whether your home would benefit from installing gutter filters or covers that screen out debris.
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Step 4
Prepare for immanent flooding by placing plugs in the sink and bathtub drains to prevent water from backing up. Unhook the washer, dryer and dishwasher and block each entrance to stop the flow of water from entering. Sandbags may be used to cover these plugs for added protection.
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Step 5
Have silicone sealant on hand. In the event of a storm that could result in flooding, use the sealer to make a shield around doors and windows. This may help prevent a large amount of water from seeping in through small cracks and crevices.
