Homeowner Tips
10 Places to Seal on Your House Right Now
Published 2/21/2026 · 5 min read
Sealing gaps is the highest-ROI pest control step you can take yourself.
The top 10
1) Dryer vent flap. 2) Gaps around gas and water penetrations. 3) Foundation cracks. 4) Cable and utility entry points. 5) Corner boards. 6) Garage door bottom seal. 7) Threshold gaps under exterior doors. 8) Torn window and door screens. 9) Attic vents (screen with 1/4-inch hardware cloth). 10) Ridge and soffit vents.
Materials that work
Copper mesh or stainless-steel wool + polyurethane sealant for rodents; silicone sealant for insect gaps; hardware cloth for vents.
Where to stop
Rooflines, attics, and yellow jacket / hornet-affected wall voids are professional territory.