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Home Defense Insect Killer for Cracks & Crevices (16 oz)


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All About It

Introducing Ortho Home Defense Insect Killer for Cracks & Crevices, your ultimate solution for eliminating home-invading pests. This powerful spray foam targets hard-to-reach places where bugs hide, providing long-lasting protection both indoors and outdoors. Say goodbye to ants, cockroaches, fleas, centipedes, crickets, boxelder bugs, and other common insects with Ortho's trusted formula.

Why You'll Love It

  • Deep Penetration: Ortho's spray foam spreads deep into cracks and crevices, reaching areas where bugs typically hide. With its innovative design, this foam effectively targets hidden pests, ensuring thorough eradication and protection against infestations.
  • Long-Lasting Protection: Enjoy continuous pest control with Ortho's long-lasting formula. Designed to keep on killing German and American cockroaches, Argentine ants, and other insects for up to 18 months, this spray foam provides reliable defense against home-invading pests.
  • Versatile Application: Whether indoors or outdoors, Ortho Home Defense Insect Killer for Cracks & Crevices offers versatile use for comprehensive pest control. Its non-staining formula is safe for use on surfaces where water would not stain, providing hassle-free application and peace of mind.

How to Use It

Using Ortho Home Defense Insect Killer for Cracks & Crevices is quick and easy. Shake well before use, then apply the foam spray directly into cracks, crevices, and other hard-to-reach areas where pests may hide. Ensure thorough coverage for optimal results. Allow the foam to expand and disappear, leaving behind an invisible protective barrier for your home.

The Specs

  • Product Type: Insect Killer Spray Foam
  • Size: 16 oz
  • Target Pests: Ants, cockroaches, fleas, centipedes, crickets, boxelder bugs, ticks, and other common insects
  • Longevity: Up to 18 months for German and American cockroaches and Argentine ants; up to 1 month for carpenter ants (on non-porous surfaces)
  • Application: Indoor and outdoor use
  • Non-Staining: Safe for use on surfaces that water would not stain

Additional Resources

Learn how to effectively protect your home from common insects and maintain a pest-free environment year-round.

Shipping, Returns, & Guarantees

Free Home Delivery

We offer our own Home Delivery service! Check out the details on our Free Home Delivery page: 

Website Tips and Shipping Information

We also have traditional shipping options available if you need your package to be delivered outside of Alaska. Take a look at the information on our website through the link below: 

Return Policy


  • Unopened products may be returned with the original sales receipt
  • Opened/Used products are SUBJECT TO MANUFACTURER POLICY (If there is no manufacturer policy, we will be happy to return them as long as they are in like-new condition including all instructions and hardware and accompanied by a receipt)