Residual Pyrethroid Treatment
Products: Long-lasting synthetic pyrethroid sprays (bifenthrin, cyfluthrin, lambda-cyhalothrin)
Application: Cracks, crevices, corners, behind appliances, under furniture, baseboards, closets
Duration: 60-90 days residual effect indoors, kills spiders walking over treated surfaces
Safety: Low mammalian toxicity, odorless when dry, safe for homes with children/pets
Best For: Indoor spider control, continuous protection, all spider species
Outdoor Perimeter Barrier
Method: Liquid insecticide spray around entire building foundation, windows, doors, eaves
Coverage: 3 feet up walls and 3 feet out from foundation creates invisible barrier
Duration: 2-3 months outdoor protection, prevents spiders from entering structure
Result: Dramatically reduces indoor spider activity by stopping entry at source
Best For: Prevention, high spider pressure areas, seasonal spider influx during monsoon
Physical Web Removal
Equipment: HEPA vacuum, long-handled brushes, extension poles for high areas
Process: Remove all webs from ceiling corners, light fixtures, window frames, eaves, porches
Egg Sacs: Critical to collect and destroy all egg sacs (100-300 eggs each)
Disposal: Vacuum bag removed immediately and discarded in sealed outdoor trash
Best For: Immediate visual improvement, removing breeding sources, chemical-free
Exclusion & Habitat Modification
Sealing: Caulk cracks, seal gaps around pipes/wires, install door sweeps, repair screens
Outdoor: Remove debris, woodpiles, rocks, trim vegetation away from structure
Lighting: Replace white lights with yellow/sodium vapor bulbs (attract fewer insects)
Storage: Reduce clutter, use sealed plastic containers, improve air circulation
Best For: Long-term prevention, making property unattractive to spiders permanently