Caulk can serve as the first line of defense against pests by sealing gaps and cracks around a home, helping to prevent them from entering. It can be used alone as a proactive and insecticide-free approach or in conjunction with such products if pests have already penetrated the home.

  1. LOCATE THE POTENTIAL ENTRY POINTS FOR BUGS AND PESTS
    There are several areas on the interior and exterior of a home that could have gaps and cracks that should be sealed, including:EXTERIOR

    • Roof trim, roof rafters, joints, sheathing and siding
    • Exterior columns, steps, decks and porches
    • Exterior pipes and foundation
    • Doors, windows, door and window frames

    INTERIOR

    • Moldings and baseboards
    • Floorings and walls
    • Interior pipes and plumbing
  2.  FILL THE GAPS with a silicone sealant. A silicone sealant is best used:
    • To fill gaps or cracks smaller than 1/2″ by 1/2″ (unless using backer rod)
    • For inside or outside applications
    • For applications that require flexibility due to joint movement
    • RECOMMENDED PRODUCT: Advanced Silicone 2™+ Window & Door Sealant
  3. PREP FOR SEALING:
    • CLEAN THE SURFACE
      Remove old sealant, dirt and loose particles with a caulk-removing tool, or a wire brush for concrete and masonry applications, and wipe clean with a cloth. Apply masking tape to either side of the joint to create a straight edge. (Remove immediately after caulk application.)
    • READ ALL SAFETY INSTRUCTIONS BEFORE USE AND FOLLOW COMPLETELY
      Wear safety goggles, gloves, respiratory protection and protective clothing.
  4. PREPARE THE TUBE AND SEAL
    Cut the nozzle to desired bead size. Pierce the inner seal with a stiff wire or other similar object. Insert the cartridge into the caulking gun. Seal around unsightly cracks or spaces inside and outside the home. If using a caulk gun, squeeze with even, consistent pressure to control the rate at which the caulk leaves the tube.
  5. SMOOTH THE SEAL
    Use your gloved finger or a wet caulk-smoothing tool within two to five minutes of application.
  6. STORE THE TUBE AND CLEAN
    Adjust pressure to the gun so that the sealant is barely coming out of the tube. Replace the cap, or use a nail or similar object to seal the tube opening. To clean the area around the sealed joint, use mineral spirits for silicone sealants; wipe excess material from tools and clean accordingly as well.

*Silicone 2 is a trademark of Momentive Performance Materials Inc.