An exterior hollow metal insulated door sits above a maximum half-inch threshold with perimeter weatherstripping. The assembly includes a concrete sidewalk sloped one-quarter inch per twelve inches away from the building. An expansion joint packed with mineral fiber material separates the exterior sidewalk from a four-inch interior concrete slab.
CONCRETE SIDEWALK, SLOPE 1/4"/ 12" AWAY FROM BUILDING PAINTED HM INSULATED DOOR MAX 1/2" THRESHOLD WEATHERSTRIPPING MINERAL FIBER EXPANSION JOINT MATERIAL 4" CONCRETE SLAB B
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