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Step 3: S60 Membrane Installation and Seam Sequencing
Step 3 covers ELEVATION S60 sheet membrane installation as the primary waterproofing layer, emphasizing correct roll sequencing, lap dimensions, and seam bonding to prevent warranty voidance. The process requires starting at the lowest point, maintaining minimum lap sizes (3 in. side, 6 in. end), staggering end laps, and performing thorough seam inspection to ensure water flows over laps rather than into them.
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Summary
Step 3 covers ELEVATION S60 sheet membrane installation as the primary waterproofing layer, emphasizing correct roll sequencing, lap dimensions, and seam bonding to prevent warranty voidance. The process requires starting at the lowest point, maintaining minimum lap sizes (3 in. side, 6 in. end), staggering end laps, and performing thorough seam inspection to ensure water flows over laps rather than into them.
Tags
membrane-installation · waterproofing · s60-sheet · seam-sequencing · roofing · lap-requirements · installation-checklist
Key entities
ELEVATION S60 sheet membrane (technology, 0.95) · SP1 primer (technology, 0.9) · roll sequencing (concept, 0.85) · seam bonding (concept, 0.85) · lap requirements (concept, 0.85) · fishmouth (concept, 0.8) · T-joints (concept, 0.8)
Classification
tutorial · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 23 Sep 2026