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To prepare for Aprehend bed bug treatment, wash and dry bedding and clothes from affected rooms on high heat, clear clutter off floors, pull furniture about 30 cm from the walls, vacuum and plan to keep pets out for at least four hours. After treatment, keep sleeping in your bed and don’t clean the treated bands.
This checklist is for KW Pest Control customers in Kitchener, Waterloo, Cambridge and Guelph booked for bed bug treatment. Print it or keep it open on your phone. Questions? Call 519-957-1766, Monday to Friday, 8:30 a.m. to 5 p.m.

Aprehend is a biopesticide made from fungal spores. Your technician sprays it in narrow bands where bed bugs walk, and bugs that cross a band pick up spores and die over the following days. The bands keep working for up to three months. Prep makes sure the technician can reach those routes, and aftercare makes sure the bands stay in place long enough to work. Good news: you don’t need to empty every dresser or bag everything you own.
Rockwell Labs, the maker of Aprehend, has a homeowner prep sheet with the same steps in more detail.
No. With Aprehend, you only need to wash and dry the bedding and clothes from affected rooms, then store them in sealed bags until a few days after treatment. You don’t need to empty every dresser or closet in the home. Your technician will tell you if your situation needs more prep.
Yes, and you should. Once the spray is dry, sleep in your bed as usual. Bed bugs come out to feed and cross the treated bands, which is how they pick up the spores. Sleeping somewhere else can draw bugs to a new spot and spread the problem to other rooms.
Keep pets out of treated rooms for at least four hours, and until the spray is dry. Cover fish tanks and turn off air pumps during treatment, and put pet bowls, toys and bedding away beforehand. Your technician will tell you when it’s safe for pets to come back into each room.
You can clean normally everywhere except the treated bands. The bands are about 5 cm wide along baseboards, bed frames and furniture, and they need to stay in place for up to three months. Don’t mop, steam, wipe or vacuum them. Ask your technician to show you where they are.
Aprehend doesn’t kill on contact. Bed bugs that cross a band die over several days, and bugs that hatch later still have to cross the bands. Seeing a few live bugs for two to three weeks is normal. If you still see live bed bugs after 30 days, call us at 519-957-1766.
Usually not. Throwing out a mattress can spread bed bugs on the way out, and a new mattress in an untreated room can be infested again. Leave the mattress and box spring on the bed for treatment. Mattress encasements can help after treatment and make it easier to check for bugs.
Call 519-957-1766 and tell us what you’re seeing. Estimates over the phone are free, and an inspection is required for an exact quote on larger jobs. The office is open Monday to Friday, 8:30 a.m. to 5 p.m.; leave a message after hours and we’ll call you back the next business day.

KW Pest Control provides residential and commercial pest control in Kitchener, Waterloo, Cambridge and Guelph, for mice and rats, wasps and hornets, ants, bed bugs, cockroaches, spiders, fleas, flies, centipedes and moths. Call 519-957-1766 for a free phone estimate, or use our contact form and we’ll get back to you during office hours.
Hours: Monday to Friday, 8:30 a.m. to 5 p.m.
Leave a message and we’ll call you back the next business day.
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