1. Cut spout at an angle to desired opening size
  2. Use a caulk gun. Apply to surfaces between 40° F and 120° F. For best results, apply to dry surfaces free of oil, frost, dirt, and loose material.
  3. Smooth to a perfect bead with a wet sponge, or finger.
  4. Allow 24 hours before exposure to water (2-3 days in cold or humid weather).
Useful Tip: If rain is expected within 24 hours, cover unprotected areas with plastic sheeting.
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