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How to Properly Fill and Stack Sandbags to Prevent Flooding

You'll want to fill it up about halfway so it's malleable when it stacks. If the bags are too full, they'll be too taught and create gaps when you try to stack them.

GREENSBORO, N.C. -- Sandbags can help protect your home against floodwaters. Thomas Phillips with Lowe's Home Improvement on Cone Blvd. gives us some pointers.

1. Filling the bag

Filling the bag is easiest when it's a two-person job. One person holds the bag open, another scoops or pours the sand in. You'll want to fill it up about halfway so it's malleable when it stacks. If the bags are too full, they'll be too taught and create gaps when you try to stack them.

2. Type of bag

You'll want to use a heavy-duty material for your bag. Lowe's sells nylon bags similar to tarps.

"They're structurally sound so they won't give way as you stack and space them," Phillips explains. "Say you have to have them down for a whole week, 10 days. You know this material is not going to decay on you."

3. Stacking the bags

The bags should be stacked horizontally on top of one another. Remember, don't fill them all the way so the bags will be loose enough to fill any gaps. Phillips recommends filling as many bags as needed to cover your doorway or space up beyond the foundation.

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