Rarely the Answer It Sounds Like

An impact assembly is rated as a whole — glass, frame, anchoring and installation together. Putting impact glass into an old frame with old anchoring produces something that has better glass and is not a rated assembly, which means it neither performs as one nor documents as one.

The offer is usually made in good faith. Retrofit glazing exists, some systems have genuine approvals, and a contractor proposing it may believe it achieves the same outcome. The question that settles it is documentary: which approval covers the finished assembly, including the existing frame and its anchoring.

Wind mitigation credits generally depend on demonstrating that openings are protected to a recognized standard, which means documentation an inspector can verify. Better glass in an undocumented assembly does not produce that evidence.

So a retrofit that improves the glass without producing a documented rated assembly may deliver some real protection and no premium benefit at all. That is worth establishing with your insurer before spending the money rather than after.

1. 01Assess honestly whether a rated assembly is achievable.
2. 02Say plainly when replacement is the only real option.
3. 03Provide documentation where retrofit genuinely works.
4. 04Never describe an unrated result as impact protection.

Ask what documentation a retrofit will produce. If nobody can tell you which approval the finished assembly falls under, it does not fall under one — and that matters for permitting and for insurance.

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