Bed bug encasements: choose & fit guide

Why an encasement changes everything

A certified bed bug encasement is a sleeve that completely encloses the mattress (and the box spring, with a second one). It does three things:

• It traps the bugs already in the mattress: sealed in, they can't get out to feed. Without a blood meal they die within months — and more importantly, they stop laying eggs.
• It protects the mattress from new arrivals: seams, their favourite hiding spot, become unreachable. The mattress becomes a smooth surface you can inspect at a glance.
• It saves your mattress: without an encasement, a heavily infested mattress often ends up on the curb. With one, we keep it in nearly every case.

That's why it's part of our standard protocol, alongside targeted bio-chemical treatment and the follow-up visit. A treatment without an encasement is half a job.

How to choose: it's all about the zipper

The market is full of $20 "bed bug" encasements whose zipper a truck could drive through. Here are our criteria, in order of importance:

• The zipper, first: look for a fine-tooth zipper with a locking slider (a small flap that locks the zipper shut). It's THE weak point of cheap encasements: tiny nymphs slip through an unsecured zipper end.
• Certification: prefer encasements lab-tested against bed bugs (serious brands say so). Avoid generic "anti-dust-mite" covers: the weave isn't necessarily fine enough.
• The fabric: a quality stretch knit hugs the mattress without tearing; fabric that's too thin rips on the first box-spring corner.
• The exact size: measure your mattress height (and box spring). Too big makes folds — hiding spots; too small strains the zipper — which will fail.
• Two encasements, not one: you need one for the mattress AND one for the box spring. A spring box is a bed bug palace.

Budget realistically: a good certified encasement costs $40–$90 depending on size. Below that, be suspicious. Call us before buying if you're torn between two models: +1 263 388 5383 — we'll honestly tell you which to take; we sell nothing ourselves.

Fitting, step by step (20 minutes)

You install it — here's the method we recommend to every client:

• 1. Inspect the mattress first. Vacuum seams and buttons (throw the bag out immediately), then look: if you see many live insects, call us before encasing — a heavily infested mattress deserves treatment first.
• 2. Slide the encasement on like a giant pillowcase. Easier with two people: one holds, one pulls. Don't force the zipper.
• 3. Close fully, then lock the slider with the locking flap. Run your finger along the zipper to check it's seated along its whole length.
• 4. Leave it on. This is the hard part: the encasement must stay on for at least 12–18 months to outlast any trapped bugs. Don't remove it to "check" — you'll free them.

Fitted on a healthy mattress in a new place — say after a July 1st move — an encasement protects you for years and makes every future inspection far simpler.