Tent Fumigation: Whole-Home Termite Treatment, Step by Step

When Does a House Need Tenting?

Tenting is the heavy option, so it’s used when lighter treatments won’t reach the problem. These are the most common reasons a pro recommends it.

Subterranean termites live in the soil, so they’re usually treated with soil barriers or baits, not tenting. See termite control for those methods.

How Tent Fumigation Works

The idea is simple: seal the house, fill it with a gas that penetrates wood, hold it long enough to kill termites, then remove it completely.

• The fumigant

  sulfuryl fluoride, a restricted-use gas and the only structural fumigant with residential uses, per EPA. Vikane is a well-known brand.

• The warning agent

  chloropicrin is released first because sulfuryl fluoride has no color or smell. It irritates the eyes and nose so people stay out.

• Penetration

  the gas moves into wall voids, framing, furniture and attics, reaching termites wherever they are.

• No residue protection

  the gas kills what’s there but leaves no lasting barrier once it’s aired out.

Only licensed fumigators can buy and apply structural fumigants. This is never a DIY job.

How Long to Stay Out After Fumigation

Usually a few days. Angi says homes are typically uninhabitable for two to three days, while California’s Structural Pest Control Board says a fumigation can take from six hours to one week. The exact time depends on how long the gas has to be held and how long aeration takes.

Book lodging for an extra night if your schedule is tight. A delay is better than rushing re-entry.

What Needs to Be Bagged vs Removed

This is the part people get wrong most often. Use the table as a guide and follow your provider’s prep sheet over it.

If you’re unsure about an item, ask the crew before fumigation day, not during.

Neighbors, Kids and the Tent Perimeter

The tent itself is a hazard zone while gas is inside. A few simple rules keep everyone around it safe.

Never lift a tarp edge or open a door with a secondary lock. If you see a torn tarp or smell a sharp odor near the tent, move away and call the fumigation company.

Spot Treatment vs Tenting: How to Decide

This is the decision most drywood homeowners face. Use these questions to frame it with the pro.

• How many places have pellets or holes?

  One or two spots favor spot treatment; many favor tenting.

• Can the pro reach all the infested wood?

  Hidden activity in walls or the attic favors tenting.

• Has spot treatment been tried?

  Repeat failures point to colonies that weren’t found.

• What’s your budget and schedule?

  Spot treatment is cheaper and has no move-out, but may need repeat visits.

• Are you selling?

  Whole-structure treatment can simplify negotiations in drywood regions.

A careful inspection is what makes this decision possible. Ask the pro to show you each active spot.

Hidden Costs to Plan For

The fumigation quote isn’t always the full bill. These are the extras homeowners often forget.

• Lodging

  for 1–3 nights, plus meals out

• Pet boarding

  if your lodging doesn’t allow pets

• Gas company

  shutoff and relighting, if your utility charges for it

• Plant care

  while plants are outside or with a neighbor

• Roof or landscaping repairs

  if tarps or foot traffic cause damage; ask how the company handles this

• Repairs to termite-damaged wood

  , priced separately by a contractor

Ask the provider for a written quote that lists what’s included.

Protecting Your Home After Tenting

Fumigation kills the termites inside but leaves no barrier. New drywood swarmers can still fly in later, so prevention matters.

• Screen attic and foundation vents
• Seal cracks and gaps in exterior wood, then paint or seal bare wood
• Inspect used furniture and antiques before bringing them home
• Ask about preventive wood treatments for exposed attic framing
• Schedule an annual termite inspection

In high-risk areas like Florida and Southern California, many owners pair tenting with an ongoing inspection plan.

Tenting Myths vs Facts

Tenting carries a lot of folklore. Here’s what’s true.

• MythFumigation leaves residue on everything
  FactSulfuryl fluoride is a gas and is aired out before clearance
• MythYou have to wash all dishes and clothes after
  FactUsually not; follow your provider’s guidance
• MythTenting protects the home for years
  FactIt kills current termites but leaves no barrier
• MythTenting kills subterranean termites in the soil
  FactSubterranean colonies usually need soil barriers or baits
• MythYou can go back in once the tarps come off
  FactNot until the home is aerated, tested and cleared
• MythAny pest company can tent a house
  FactFumigation needs a specific state license

Why Call Bastion Before You Tent

Fumigation involves licensing, scheduling, utilities and prep. One call to Bastion gets the right local pro started on all of it.

• One call to start.

  Tell us what you’re seeing; a licensed local pro follows up.

• Licensed local fumigators.

  Structural fumigation needs a specific state license, separate from general pest control in many states.

• Options, not just tenting.

  The pro can explain heat or spot treatment if they fit better.

• Prep questions sorted early.

  The bagging table and checklist above cover what trips most households up before fumigation day.

Confirm the fumigation category: a general pest license isn’t enough for tenting in many states. Ask for the fumigation license number and look it up with your state’s pest control regulator before you sign.

Tent Fumigation by state

Local guides with state rules, seasonal timing and licensed providers near you.