Use and Care Manual
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HOW TO SEAL
FOUNDATION
CRACKS & HOLES
Sealing foundation cracks and holes both require the same application process. We will be using
foundation cracks as the example for how to seal both openings.
STEP #1 – APPLY FLOOD PROTECTION PASTE IN A SLEEVE
1. Make sure the areas being sealed are clean, dry, and free of grease, oil, dirt, and debris.
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2. Cut one end of an individually wrapped sleeve and squeeze the desired amount Flood Paste into the
provided tray.
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3. Using a putty knife, remove an even layer of Flood Paste from the tray.
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4. Push a rm even coat of our Flood Paste directly into the crack or opening, as well as the surrounding
area of the crack or hole.
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5. Let the rst coat of Flood Paste dry to the touch (2-6 hours*).
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6. Inspect for gaps or voids that may have been missed, making sure both the crack and surrounding
wall are well-covered.
7. If necessary, apply additional coats of Flood Paste. Each coat should be wider and overlap the
previous coat’s edges. Let each coat dry to the touch before applying the next coat.
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STEP #2 – APPLY FLOOD PROTECTION LIQUID
1. Brush a generous amount of Flood Liquid directly on top of the Flood Paste to help cover any small
openings or pinholes that may have been missed.
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2. Once the Flood Liquid is dry to the touch (3-6 hours*), apply as many additional coats as necessary
to help ensure all voids are sealed, with each individual coat being wider and overlapping the
previous coat. Let each coat dry to the touch before applying the next coat.
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Our Flood Protection products are removable. For a more permanent seal, we recommend using our
original Flex Seal Family of Products.
*Dry times may vary based on temperature, humidity, and thickness of applied layers.
PRODUCTS REQUIRED:
• Flex Paste
®
Flood Protection (individually wrapped sleeves)
• Flex Seal Liquid
®
Flood Protection
TOOLS REQUIRED:
• Putty knife
• Paint brush
• Protective gloves & eyewear
Flood Paste in a Cartridge is the base coat for your rst layer of protection. Use a gloved nger, Flex
Gap Filler tool, or similar tool to push into all seams and openings to help create a watertight seal.
Always be cautious of any sharp object that may cause injury.
Go to: exsealproducts.com/ood for complete video instructions.