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Photos show the product and how it’s used. Packaging may vary slightly.

Leak Seal Spray

From $19.99

A dripping gutter seam or a small crack that lets water in? Spray on a rubber-like coat that seals it, before it turns into a bigger repair.

  • Seals small leaks and cracks on gutters, flashing, pipes and outdoor surfaces
  • Sprays on, dries to a flexible black coat
  • For outdoor use on clean, dry surfaces

Ships within 1–2 business days · tracked to your door

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  • Free US shipping On orders of $35 or more
  • 30-day money-back If it doesn't do the job, we refund you
  • Real people Email us, we answer within one business day

See it up close

  • Leak Seal Spray: How it’s used
    How it’s used
  • Leak Seal Spray: Fits in your hand
    Fits in your hand
  • Leak Seal Spray: Bundle packs save more
    Bundle packs save more
  • Leak Seal Spray: Real size, next to a coffee mug
    Real size, next to a coffee mug

Description

What it fixes

Small cracks, pinholes and leaking seams on gutters, downspouts, flashing, outdoor pipes and similar surfaces.

What it doesn’t fix

Pipes under pressure (water supply lines), active heavy leaks, or anything that needs a plumber or roofer. Not for indoor drinking-water pipes. We’d rather tell you now than refund you later.

How to use it

  1. Clean the area and let it dry completely.
  2. Shake well and spray an even coat over the crack, a few inches past it.
  3. Let it dry and add a second coat if you can still see the crack.

Guarantee

If it doesn’t do the job within 30 days of delivery, email [email protected] with a photo and we refund you.