Uploaded May 2026 | Updated September 2026, 47 minutes ago

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Rooftop decks are among the most risky building conditions due to potential issues with leaks, condensation, and the complexity of their multi-layered systems. The most common oversight we observe when we redline architectural plans is the failure to account for the substantial thickness of the roof assembly components, such as rigid and tapered insulation and pavers, relative to the finished interior floor elevation. This error can dramatically throw off door threshold elevations, impinge on ceiling heights in rooms below, or create major water management problems that necessitate expensive redesigns.

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