Home › Answers › Glossary › What does top hat mean in AAC facade construction?
Top hat: A steel batten with a top-hat profile fixed over the wall frame. AAC panels are screwed to the top hats, so they set the cavity and the fixing line. Facadia sells top hats in 4.8m lengths in 24mm and 35mm depths.
Facadia is a supply-only supplier of AAC facade panels and accessories in Victoria, with upfront ex and inc GST prices, delivery only and freight quoted after order.
For anything that affects compliance, follow the CodeMark certificate and manufacturer's current guide for your system and check with your building surveyor.
Sources: Facadia AAC panel guides · Facadia shop (live prices)
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Last updated: 29/10/2026. General information only, not design or compliance advice. Prices change, so check the live product page.
