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See all stacks →Step 9: Protection Board and Pre-Topping Final Inspection
Step 9 involves installing a protection board over the drainage mat as the final inspection opportunity before concrete topping is applied to the roof assembly. This checklist ensures the membrane, drainage mat, protection board, and drain systems are properly installed and inspected before permanent coverage.
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Summary
Step 9 involves installing a protection board over the drainage mat as the final inspection opportunity before concrete topping is applied to the roof assembly. This checklist ensures the membrane, drainage mat, protection board, and drain systems are properly installed and inspected before permanent coverage.
Tags
protection-board · roof-inspection · waterproofing · drainage-mat · pre-topping · checklist · construction
Key entities
protection board (concept, 0.95) · drainage mat (concept, 0.95) · flood test (concept, 0.9) · membrane (concept, 0.9) · pre-topping final inspection (concept, 0.95) · FM-specified (concept, 0.85)
Classification
checklist · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 23 Sep 2026