{"version":"1.0","type":"card","id":"389ed41d-90c0-454a-8fd3-c552e08e50a2","url":"https://stacklist.com/card/389ed41d-90c0-454a-8fd3-c552e08e50a2","title":"Railing Penetrations and Waterproof Deck Leaks","source_url":"https://formulatedmaterials.com/railing-penetrations-waterproof-deck-leaks/","note":"Railing penetrations can turn a waterproof deck into a leak. Learn common failure points and how to plan attachment and sequencing to prevent callbacks.","image":{"url":"https://ucarecdn.com/6bf5d7b4-efa9-4e51-ad3e-226214dee9a7/","alt":"Railing Penetrations and Waterproof Deck Leaks","width":1400,"height":1400},"stack":{"id":"7f8a4b85-8eb7-45ed-9d35-90043cb9fb43","title":"Formulated Materials: Latest Updates and Technical Insights","url":"https://stacklist.com/c/business/stack/7f8a4b85-8eb7-45ed-9d35-90043cb9fb43"},"created_at":"2026-06-20T13:19:26.668Z","updated_at":null,"aco":{"summary":"Waterproofing solutions for railing penetrations and deck leaks addresses how improperly detailed railing posts meeting waterproofed surfaces cause one of the most common and preventable leak sources on decks and balconies. The article explains why railings fail due to placement, sequencing, and trade coordination issues, and discusses the tradeoffs between deck-mounted and face-mounted railing attachment methods.","tags":["waterproofing","railing-penetrations","deck-leaks","construction-defects","water-intrusion","membrane-failure","building-envelope"],"key_entities":[{"name":"Orange County","type":"location","confidence":0.95},{"name":"Construction Specifier","type":"organization","confidence":0.9},{"name":"water-damage-risk","type":"concept","confidence":0.85},{"name":"building-envelope","type":"concept","confidence":0.9},{"name":"membrane-penetration","type":"concept","confidence":0.88},{"name":"trade-coordination","type":"concept","confidence":0.85}],"classification":"analysis","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-06-20T13:19:31.559Z"},"token_counts":{"approximate":1645,"cl100k":1277},"content_hash":"sha256:ac17c149d9cc33c5dd8dc015cf0e495e29cc8393a3520752bdda769b7767f187","acp_version":"0.2","body_available":true,"body_tokens":1645,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/389ed41d-90c0-454a-8fd3-c552e08e50a2.json","html":"https://stacklist.com/card/389ed41d-90c0-454a-8fd3-c552e08e50a2","md":"/api/public/card/389ed41d-90c0-454a-8fd3-c552e08e50a2.md","stack_json":"/api/public/stack/7f8a4b85-8eb7-45ed-9d35-90043cb9fb43.json"}}