This window head detail integrates a structural steel lintel and steel plate supporting exterior cladding. A self-adhering sheet waterproofing membrane lines the rough opening behind a flashing sheet and cavity drain material. Waterproofing sealant and an iron bar secure the flashing at the interior transition. A sealant bead with cylindrical backing seals the window head frame against the exterior facade, while weep holes provide drainage from the cavity.
SELF-ADHERING SHEET WATERPROOFING LINTEL, RE: STRUCTURAL WEEP HOLE CAVITY DRAIN MATERIAL STEEL PLATE WATERPROOFING SEALANT FLASHING SHEET SEALANT W/ CYLINDRICAL SEALANT BACKING IRON BAR EXTERIOR INTERIOR
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