Architectural · A-35VZ3

Door Threshold

Materials

Concrete Steel Timber / Wood Aluminum Metal (misc.)

Elements

Walls Doors Roofs Decks Waterproofing / Flashing Anchors / Embeds

Connections

Welded Connection Deck Attachment Embed Plate

About this detail

An aluminum threshold sits on a twenty-four gauge stainless steel sill pan with fully soldered watertight end dams, all set in a full bed of sealant over the door frame and roof assembly. The horizontal portion of the fully adhered thermoplastic flashing membrane is embedded into a continuous bed of polyurethane elastomeric sealant or adhesive by a minimum of two inches. A twenty-four gauge stainless steel sill pan ties into the substrate board secured with CD-ten concrete fasteners spaced at eight inches on center vertically, and every sixteen and twelve inches on center at top and bottom. A Unistrut channel is mounted to the exterior wall framing with anchors and a three-sided sealant fillet, supporting piping or other equipment with hanger clips and one-eighth inch neoprene pads. Hot-air welded walkpads are installed at the door opening over the thermoplastic flashing membrane.

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