Roof Hatch Expansion Ring | Fits 70–84mm Roof Thickness
This expansion ring is designed for installations where roof thickness exceeds standard trim depth, providing a clean and professional interior finish.
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Compatible with roof thicknesses from 70–84mm (2.75″–3.30″)
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Ensures proper fit and secure installation of roof hatches
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Ideal for insulated, composite, or multi-layer roofs
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Clean, finished interior appearance