Does a house slab need termite barriers built in?

Yes — termite protection measures, whether physical or chemical barriers, are a genuine, standard compliance requirement under the National Construction Code for slab-on-ground residential construction, not an optional extra.

The specific type of barrier used depends on your builder’s approach and local termite risk, but some genuine form of protection is required regardless of your specific foundation system.

Termite protection documentation is typically part of your building’s compliance certificate — worth keeping on file since it’s often required for future maintenance or if you ever need to demonstrate compliance.

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