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Spiders? Absolutely Not. DIY Barrier Sprays, Dusts and Traps That Keep Them Outside
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items When I keep seeing spiders around the house, I start looking at why they’re showing up in the first place. Usually, that means there are other bugs around for them to eat or easy places for them to get inside. That’s why I recommend looking at the bi...
Sections
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Mix-and-Spray Barrier Concentrates
Easier Sprays, Dusts and Web Tools
Sticky Traps and Monitors
The Most Forgotten Pest Control Tool
Mix-and-Spray Barrier Concentrates
The main event: a long-lasting band around your foundation, windows and doors that stops spiders before they get in. You'll need a 1-gallon pump sprayer, and pick one product per ingredient, not all of them.
The long-lasting workhorse. Demand CS is lambda-cyhalothrin 9.7% in tiny capsules, and the label says it works for up to 90 days. An 8 oz bottle makes 8–40 gallons, so it goes a long way. Spray a band around your foundation, windows and doors, and in...
Demand CS Insecticide
The barrier spray with the most reviews here, 4.5 stars from nearly 3,500 people. It's bifenthrin 7.9% and lasts up to 3 months. Mix 0.5–1 oz per gallon to cover 1,000 sq ft, then spray the foundation, eaves and around doors. It also hits the bugs sp...
Talstar P Professional Insecticide
For people who hate the smell of bug spray. Suspend SC is deltamethrin 4.75% with almost no odor and no staining, and it's labeled for indoors and out. It lasts up to 3 months, and a pint makes 22–64 gallons. Use it along baseboards, around windows a...
Suspend SC Insecticide
Made specifically for spiders and scorpions. Onslaught pairs esfenvalerate and prallethrin with a booster called PBO, so it knocks them down fast and keeps working. Expect up to 90 days indoors but only about 30 outside, so plan to reapply outdoors. ...
Onslaught FastCap Spider and Scorpion Insecticide
Same ingredient as Demand CS, smaller price. Cyzmic is lambda-cyhalothrin 9.7%, lasts up to 90 days, and the label lets you reapply indoors every 21 days. An 8 oz bottle runs about $39.68, and buyers rate it 98%. If you're picking one capsule spray, ...
Cyzmic CS Insecticide
Easier Sprays, Dusts and Web Tools
When dealing with pests like spiders, I like to keep a variety of tools on hand. Spiders like getting into places I don't always want to spray, and for those times there are dusts and other tools.
The easy, no-mixing option. Web Out is a ready-to-use spray made from thyme, lemongrass and citronella oils, 2% each. Spray it on webs and spiders, then brush them away. The listing claims 5–6 months indoors and 2–3 outside, but it's unclear whether ...
Web Out Spider Spray
For places a spray can't reach: attics, wall gaps and behind baseboards. Alpine Dust is dinotefuran 0.25% mixed with 95% diatomaceous earth, and it keeps working as long as it stays dry. Spiders have to walk through it, so puff a light layer, not a p...
Alpine Dust Insecticide
If you don't want to piece it together yourself. This bundle has a single-dose Demand CS, a PT Fendona spray can and Catchmaster sticky monitors for about $55. That's a barrier spray, a quick-kill aerosol and a way to check results in one box. It onl...
Spider Control Kit
Boring, but it matters. Knocking down webs regularly discourages spiders from rebuilding in the same spot, and it shows you whether new ones are moving in. This one has a 7-inch brush head that fits standard ¾-inch poles; the pole isn't included. It'...
Cobweb Duster
The tool that makes a dust actually work. Dusts like Alpine only kill spiders if they get where spiders hide: wall voids, behind outlet covers, attic edges and cracks along baseboards. This bulb duster puffs a fine, light layer right into those gaps ...
B&G 1150 Bulb Duster
Sticky Traps and Monitors
Traps won't solve a spider problem alone, but they catch wanderers and show you where to treat. Put them flat against walls, where spiders actually walk, and check them weekly.
Your scoreboard. Sticky traps won't clear a spider problem, but they show where spiders are traveling and whether your spray is working. This pack has 72 boards that tear apart into 216 traps, sweetened with food-grade molasses, and the glue lasts ab...
Catchmaster 288i Insect and Spider Trap
A sticky trap you won't mind seeing in the living room. It's a small plastic box, 7.5 by 2.5 inches, made for recluse, widow, hobo and wolf spiders. It has four entrances and glue on both sides, so when one side fills up, flip it and use it again. A ...
Rescue Spider Trap – 3 Pack
No poison, made for damp spots. GreenWay traps fold into a little tent with banana bait, built for spiders and silverfish in basements, bathrooms and laundry rooms. You get 6 traps and replace them every 2 months. They're indoor use only. A good fit ...
GreenWay Spider and Silverfish Trap
The pro way to find out where spiders are coming from. These are the same kind of sticky monitors pest control companies tuck around homes. Use one whole as a big trap or tear it along the perforations into three smaller ones, then fold it into a ten...
Trapper Monitor & Insect Trap
The Most Forgotten Pest Control Tool
A good vacuum is one of the best pest control tools you can own, and almost nobody mentions it. Vacuum up the bugs, eggs and dirt first, then treat. Pick one with sealed bags so nothing gets back out.
The most forgotten pest control tool. Whenever I have a pest problem, the first thing I do is vacuum: the bugs, the eggs, the dirt, all of it. This is the vacuum I use, because it keeps everything sealed in. The HEPA bags are sealed, so when you're d...
Clean Obsessed CO711 HEPA Canister Vacuum