COMMON ENTRY POINTS RODENTS USE AND HOW TO SEAL THEM

SUMMARY

Rodents enter homes through surprisingly small gaps. This guide highlights the most common entry points and offers effective sealing methods to keep them out for good.

FEATURES

• Foundation Cracks: Fill gaps with caulk or cement.

• Door & Window Gaps: Install weatherstripping and door sweeps.

• Roof & Attic Openings: Use vent covers and chimney caps.

• Utility Line Gaps: Seal around pipes and wires with steel wool.

• Basement & Crawl Space: Block with hardware cloth and sealants.

• Garage Doors: Add rubber seals to prevent rodent access.

DESCRIPTION

Rodents are expert invaders, often finding their way indoors through small openings you might not notice. Learning the common entry points and sealing them properly is the most effective way to prevent infestations. Foundation cracks are one of the most frequent access routes. Even small gaps in concrete or brick can be exploited by rodents. Filling these with caulk, cement, or mortar creates a strong barrier that keeps pests out.
Door and window gaps are another vulnerable spot. Rodents easily slip under doors or through loose frames. Installing weatherstripping and door sweeps ensures tight seals that block their entry. Roof and attic openings provide elevated access. Uncovered vents, damaged shingles, or uncapped chimneys are prime opportunities for rodents to invade. Using vent covers, chimney caps, or reinforcing weak spots helps secure these upper areas.
Utility line gaps are often overlooked but highly common. Holes where pipes, wires, or HVAC lines enter your home give rodents direct access. Stuffing steel wool into these gaps and sealing with caulk or expanding foam is both affordable and effective. Basements and crawl spaces are also popular nesting areas. These spaces often have air vents or weak foundations that rodents exploit. Covering them with hardware cloth and applying sealants keeps them secure.
Garages are another hotspot. Large doors often leave small gaps at the bottom where rodents can slip in. Adding rubber seals or thresholds eliminates these spaces while also improving insulation. By identifying and sealing foundation cracks, door gaps, attic openings, utility lines, basements, and garage doors, you can stop rodents before they ever step inside. Consistent inspection and maintenance ensure your home remains protected year-round.

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