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Spray foam and Formosan termites in Louisiana

Our area has some of the worst termite pressure in the country. Here's how to plan spray foam around it.

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Home › Guides › Spray foam and Formosan termites in Louisiana

Why termites matter for spray foam in Metairie

Termite inspector checking a foundation where spray foam stops short of the ground
Illustration: leaving an inspection gap lets termite inspectors see the foundation.

The New Orleans area has dealt with Formosan subterranean termites for decades, and the region is among the heaviest termite areas in the country. Termite inspectors rely on seeing the foundation, sill plates and framing to spot mud tubes and damage.

How spray foam affects termite inspections

Spray foam doesn't feed termites, but it can hide them. Foam on foundation walls or covering the sill plate can conceal mud tubes, and some pest control companies have limited or declined termite bonds on homes where foam blocks inspection.

Spray foam practices for termite areas

  • Keep foam off the exterior and below grade in heavy-termite areas, as building codes require
  • Leave a visible inspection gap above the ground and at the sill plate
  • Prefer under-floor foam over foam on foundation walls where inspection matters
  • Talk to your termite company before work begins and ask how foam affects your bond
  • Ask about fumigation limits on homes with sealed spray foam attics

Sources: Spray Foam Magazine, spray foam and termites, LSU, Formosan subterranean termite in Louisiana.

Related: under-floor foam · crawl space foam · common spray foam problems

How getting a spray foam estimate works

  1. Call or send a requestTell us what you want insulated and where you are.
  2. Get a written estimateA local installer measures and quotes foam type, thickness and price.
  3. Get it installedMost attics are done in a day or two.

Why call us for spray foam insulation

  • One callSkip calling around. We connect you with a local spray foam installer.
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  • Built for our climateAdvice that fits Gulf Coast heat, humidity and termites.

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Spray foam insulation service areas

Spray foam insulation questions

Does spray foam attract termites?

No. It has no food value for termites. The concern is that it can hide termite activity from inspectors.

Will my termite company cancel my bond if I add spray foam?

Policies vary. Ask your pest company before work starts, and plan foam so inspection areas stay visible.

Request a spray foam insulation estimate

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