HomeShape AI â How-to guide
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HomeShape Repair Coach
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Safety & Pest Control ¡ Pest & Rodent Management
Pest & Rodent Prevention
Mice need a gap the width of a pencil and termites need nothing more than wood touching soil â most pest problems get in through an opening you could have sealed for a few dollars, long before anyone needed to call an exterminator.
Perimeter check 2x/yearTermite inspection annually$75â$325 pro inspection, avg ~$100Safety & Pest Control
Termite/WDO inspection cost
$75â$325
avg ~$100; ~$165 for a real-estate transaction (Angi, 2026)
Termite inspection frequency
Annually
more often in warm, humid climates
Common mouse entry gap
1/4â1/2 inch
about the width of a pencil
DIY-able tasks
Sealing & bait upkeep
termite treatment itself is a call-a-pro job
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A treated barrier around the foundation that discourages ants, spiders, and other crawling insects from finding a way in. DIY perimeter sprays and granules handle general nuisance pests; a persistent or specific infestation â carpenter ants, a wasp nest in the structure â is worth a professional call.
Maintenance tasks
| Task | Cadence | Skill | Time | Consequence if skipped |
|---|---|---|---|---|
Apply a perimeter pest barrier treatment Treat the foundation line and common entry points | Spring and fall (2x/year) | 2 ¡ Confident | 1â2 hrs | A missed season is exactly when ants and spiders re-establish |
Trim vegetation and mulch back from the foundation Keep plants and mulch from touching the siding | Seasonally | 2 ¡ Confident | 1â2 hrs | Plants and mulch touching the house are a bridge insects use to bypass the barrier entirely |
Seal gaps around utility penetrations Caulk or foam around pipes, cables, and conduit entry points | Annually | 2 ¡ Confident | 1â2 hrs | An unsealed penetration is a permanent entry point no barrier spray fixes |
Check window screens and door sweeps Look for tears and gaps | Annually | 1 ¡ Beginner | 30 min | Torn screens and gapped sweeps let insects in regardless of the perimeter treatment |
Remove standing water near the foundation Redirect or eliminate puddling after rain | Ongoing / after rain | 1 ¡ Beginner | 15 min | Standing water attracts mosquitoes and other moisture-loving pests right where you don't want them |
Store firewood away from the house Stack it off the ground and away from siding, not against it | Ongoing | 1 ¡ Beginner | N/A | Firewood stacked against the house is prime real estate for termites, ants, and spiders right next to your siding |
Troubleshooting
Symptom
Likely cause
Action
Who
Ants reappear a few weeks after treatment
The barrier broke down (rain, mowing) or a new trail formed
Reapply along the specific trail and look for the food or moisture source drawing them in
DIY ok
Spiders concentrated near outdoor lighting
Lights attract the flying insects spiders feed on
Switch to yellow "bug" bulbs or motion lighting to reduce the draw
DIY ok
A wasp or hornet nest forms on the eaves or siding
An unsealed gap or overhang provided shelter
Treat at dusk when they're least active, or call a pro for a large or hard-to-reach nest
Call pro
Carpenter ants or sawdust-like frass near a door frame or deck
Carpenter ants nesting in moisture-damaged wood
This needs professional treatment plus finding and fixing the underlying moisture source
Call pro
Recommended tools & materials
Mice can squeeze through a gap as small as a pencil’s width (roughly 1/4â1/2 inch); rats need closer to 1/2 inch. Exclusion â physically sealing the ways in â beats traps or bait alone over the long run, since those only manage a population that’s already inside.
Maintenance tasks
| Task | Cadence | Skill | Time | Consequence if skipped |
|---|---|---|---|---|
Inspect and seal foundation gaps and utility penetrations Check vents, pipe entries, and foundation cracks | Twice a year, focus on fall | 2 ¡ Confident | 2â3 hrs | Fall is exactly when rodents actively look for a way into a warm structure â a missed gap now is a mouse problem by winter |
Install or check chimney caps, vent screens, and dryer vent flaps Confirm every roofline opening is capped or screened | Annually | 2 ¡ Confident | 1 hr | Uncapped openings are an open invitation, especially via the roof-and-attic route |
Check and refresh exterior bait stations Follow the product label's refresh interval | Per label, often monthly in season | 1 ¡ Beginner | 15â20 min | Empty or degraded bait stops working with no obvious sign until the population rebounds |
Keep firewood, mulch, and dense vegetation off the foundation Maintain a clear buffer zone | Seasonally | 1 ¡ Beginner | 1â2 hrs | These give rodents cover to stage right next to your exclusion points |
Store pet food, birdseed, and garbage in sealed containers Remove easy food sources | Ongoing | 1 ¡ Beginner | N/A | Accessible food is the single biggest draw for rodents to a property in the first place |
Inspect the attic and crawlspace for droppings or nesting Look for signs of an existing indoor presence | Seasonally | 2 ¡ Confident | 20â30 min | An established indoor nest means exclusion alone won't solve it â you'll need to trap out the existing population too |
Troubleshooting
Symptom
Likely cause
Action
Who
Droppings appear along a wall or in a cabinet
An active rodent presence, entry point likely nearby
Trace the droppings to find the entry gap, seal it, then trap or bait the interior
DIY ok
Scratching sounds in the attic or walls, especially at night
Rodents nesting in wall voids or attic insulation
Inspect for entry points from the roofline and gable vents; consider a professional exclusion service for hard-to-reach gaps
Call pro
Gnaw marks on wiring, boxes, or wood trim
Rodents gnaw continuously and will chew through nearly anything, including wire insulation
This is a fire-risk situation if wiring is affected â get it inspected and repaired, not just trapped and moved on from
Call pro
Traps keep getting sprung with no catch
Misplaced trap (off the travel path) or unappealing bait
Reposition along walls and travel routes and switch bait type
DIY ok
A strong ammonia-like smell in an enclosed space
A heavy infestation with significant urine/droppings buildup
This often needs professional cleanup as well as exclusion â the smell alone can indicate a health hazard
Call pro
Recommended tools & materials
Termites and other wood-destroying organisms (WDOs) work silently, often for years, before visible damage shows â by then, structural repair can run into the thousands. An annual professional inspection is the standard defense, more frequent in warm, humid climates where termite pressure is highest.
Maintenance tasks
| Task | Cadence | Skill | Time | Consequence if skipped |
|---|---|---|---|---|
Schedule an annual professional termite/WDO inspection A licensed inspector checks for active or past activity | Annually, more often in warm/humid climates | 3 ¡ Advanced | 30â60 min (professional) | Termite damage compounds silently for years before it's visible, and repair cost rises the longer it goes undetected |
Walk the foundation checking for mud tubes Look along the base of exterior walls and piers | Seasonally, between pro inspections | 1 ¡ Beginner | 15â20 min | Mud tubes are one of the few visible early signs and are easy to miss if you're not specifically looking |
Eliminate wood-to-soil contact Check posts, trim, and stacked wood touching the ground | Ongoing | 2 ¡ Confident | Varies | Direct wood-to-soil contact is the single easiest entry route for subterranean termites |
Fix moisture problems near the foundation Address grading, downspouts, and AC condensate lines | Seasonally | 2 ¡ Confident | Varies | Moisture-softened wood is far more attractive and vulnerable to termite activity |
Check exposed framing in crawlspaces/basements Tap for a hollow sound or visible damage | Annually | 2 ¡ Confident | 20â30 min | An active infestation reachable from a crawlspace can spread structurally before it ever shows upstairs |
Keep mulch beds shallow and pulled back from the foundation Avoid deep mulch piled against the house | Seasonally | 1 ¡ Beginner | 1 hr | Deep mulch against the foundation holds moisture and can mask early tube activity |
Troubleshooting
Symptom
Likely cause
Action
Who
Mud tubes on the foundation wall or piers
Subterranean termites traveling between soil and wood
Don't disturb the tube (it helps the inspector assess activity) and call a pest professional promptly
Call pro
Hollow-sounding or easily-punctured wood trim/framing
Termite damage has already progressed internally
Get a professional inspection immediately to assess extent and treatment
Call pro
Discarded wings in window sills or near light fixtures
A termite swarm (reproductive flight) has occurred nearby
A strong sign of an established colony close by â schedule an inspection
Call pro
Small holes and fine sawdust-like frass near wood trim
Could be termites or wood-boring beetles/carpenter ants â needs professional ID
Don't guess â a pro can identify the pest and the right treatment
Call pro
Bubbling or uneven paint on wood surfaces
Can indicate moisture or termite activity underneath
Investigate further before repainting over it
DIY ok
Recommended tools & materials
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