Moving into a new home in Ontario is a fresh start - but without a protective barrier, spiders move in with you. A pre-move-in or early occupancy treatment establishes perimeter protection before you unpack a single box.
Both new construction and resale homes present elevated spider risk at the point of occupancy - for different reasons.
Excavation, grading, and landscaping displace enormous numbers of ground-dwelling insects and spiders from the surrounding soil. These displaced populations immediately seek shelter in the nearest available structure - which is your new home. New construction landscaping (mulch, stone edging, foundation plants) also creates immediate harborage adjacent to the foundation line.
The period between owners - even just weeks - removes the human activity that naturally deters spiders from high-traffic areas. Combined with unknown pest history from previous occupants, resale homes at the point of vacancy often have established spider populations in garages, utility rooms, and low-traffic basement areas.
With the home empty, we have unrestricted access to every treatment zone that matters. This is the most complete coverage possible.
The complete exterior foundation line, including corners, window well bases, and anywhere the foundation meets grade. No gaps in coverage - accessible sections receive full perimeter treatment front, back, and sides.
Garages are the primary entry point for spiders moving into a home. The garage interior - corners, ceiling line, utility shelving, door frames, and the threshold between garage and home - gets thorough treatment. The exterior garage door frame and perimeter are treated alongside.
Every door threshold, window sill at grade, exterior electrical box, plumbing penetration, gas meter housing, HVAC equipment base, and utility conduit entry point. These are the specific pathways spiders use to enter from the exterior.
Orb weavers and cellar spiders commonly build webs at the junction of soffit and exterior wall. We treat accessible eave lines to prevent web establishment that draws more spiders to the same zone over time.
Interior Upgrade: For homes that sat vacant for 3+ months, we recommend adding an interior basement and utility room treatment to the standard exterior visit. Vacant homes allow interior populations to establish without disruption - the combination addresses both.
| Factor | New Construction | Resale Home |
|---|---|---|
| Primary Risk Source | Displaced populations from construction activity | Established populations from vacancy period |
| Landscaping | Fresh mulch and foundation plants = immediate harborage | Existing landscaping may already be managed |
| Entry Points | May have unsealed penetrations from trades | Usually more sealed; check older caulking |
| Interior Risk | Lower (new build, less time for establishment) | Higher if vacant 1+ month |
| Best Timing | After exterior finishing, before landscaping installed | During or just after possession, before move-in |
| Follow-Up Timing | Spring of first year (after landscaping settles) | Spring season standard schedule |
Book a pre-move-in treatment before your possession date. We serve all of southern Ontario.
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