Sarnia
If webs keep collecting on your porch ceiling, window frames or eaves, good spider control that Sarnia homeowners can rely on starts with understanding why those spots keep getting chosen. This guide covers what draws spiders to a house a few kilometres from the lake, how removal and treatment differ, and what a visit from Spider Pros actually involves.
Sarnia sits where Lake Huron empties into the St. Clair River. Every warm night, flying insects that hatch over that water drift inland on the breeze and find the lights on your street. They do not care whether you live on the river or in a subdivision off Exmouth Street or Murphy Road. A porch light is a porch light.
Spiders follow the food. A lit porch ceiling, a window with the lamp on behind it, a soffit that stays dry in the rain and a garage door frame that never gets touched are all good hunting sites with good anchor points. That is why the same corners fill up year after year while the back fence stays clear.
Lighting, the shape of the house, shrubs against the siding and the weather all matter too. Two neighbours on the same street can have very different web problems depending on which lights they leave on and how often anyone disturbs the corners.
Every Spider Pros visit starts with removal, not spraying. The technician works around the house with a backpack HEPA vacuum and takes webs, spiders and egg sacs off everything within reach: porch ceilings, light fixtures, window and door frames, garage door frames, first floor soffits and the foundation line. High eaves and peaks are swept down with a cobweb brush on a telescoping pole.
Physical removal works right away and it does not wash off in the next rain. Taking the egg sacs with the webs matters more than most people expect, because one sac left in a soffit corner can mean a cluster of spiderlings a few weeks later. You see the difference before the technician leaves the driveway.
Removal is maintenance, not a permanent fix. New spiders arrive on the wind and from the hedges all season. The point is to take out what is there now and keep ahead of what comes next. You can read more about the full method on our spider control service page.
Some houses have a corner or two where the activity justifies more than removal: a porch light that fills with fresh webs every few nights, or a soffit run that never seems to clear. In those spots, and only those spots, the technician may apply a product registered in Canada to the sites its label allows, at the lowest label rate that works.
The technician works supervised by our licensed exterminator and wears what the label requires: long sleeves, long pants and chemical resistant gloves, with eye protection for overhead work and a respirator for overhead work as company policy. People and pets stay off treated areas until they are dry, and the written summary you receive after the visit gives the time.
We do not treat every wall of every house every month, and we would be wary of anyone who does. Product everywhere, all the time, puts far more product than the job needs around your dog, your garden, the bees in your neighbour's flower bed and the lake at the end of the road. Treatment is a tool for the spots that earn it, after the webs are already gone.
Activity picks up as soon as spring nights stay above freezing and the first insects come off the water. Through June and July the prey supply grows and small webs appear around lights and door frames. By late August the big orb weavers have matured, and their wide, obvious webs across porch corners and between railings are what finally send most people looking for help.
One visit in May will not carry a busy house to October. That is why the Season Plan runs three visits, in May, July and September, timed to the way the season actually unfolds here rather than to a calendar on the wall.
A single visit starts from $199 and the Season Plan starts from $499. Larger homes run about 30 percent more. Those prices are before HST, for a standard home up to about 2,000 square feet, and they are confirmed with you before any work starts. Wasp and hornet nests are a separate service from $199.
After every visit you get a written summary that says what was done, what product was used if any, and when the treated areas are clear. If webs come back on the areas we treated in the 60 days after a visit, we treat them again the next day we are in your area at no charge. That covers the house itself; decks, railings, fences and the yard are courtesy areas. The details are on our guarantee page.
We will not tell you the spiders are gone for good, because no honest exterior service can say that. We will tell you which areas we can reach, what we found, and what we think will keep the webs down.
Book when the webs start to bother you, or a little before. Some families want the front entrance clear before a graduation party in June. Others only notice the orb weavers in September. Both are reasonable times to call. If you are already on a Season Plan, the timing is handled for you.
Spider Pros is based in Sarnia and serves Bright's Grove, Point Edward and the surrounding streets on a regular route. You can see what that looks like for your neighbourhood on our Sarnia page, or call 519 331 4210.
Good to know
No. Taking the webs and egg sacs off removes what is there now. It does not draw new spiders in. If the same corner fills again, it is because the light and the insects are still there, which is exactly where a targeted treatment may be worth it.
Not in a lakeside town. Insects come off the water every night and spiders follow them. What a good service does is reduce the numbers, keep ahead of the buildup and treat the worst spots when they earn it.
Not necessarily. Most exterior webs are hunting sites, not doorways. Sealing gaps around doors and fixing torn screens is still worth doing, but a web on the porch ceiling is usually just a spider working the light.
Not sure what spider you have?See our guide to common spiders in Ontario, including the bridge orb weaver and the common house spider.
