A traffic sealant and backer rod seal the joint at the building line above a fibrous expansion joint filler. A four-inch concrete slab rests on four inches of compacted granular fill, which is underlain by compacted earthen fill or undisturbed earth sized per the soils report.
BUILDING LINE. TRAFFIC SEALANT AND BACKER ROD. FIBROUS EXPANSION JOINT FILLER. 4” CONCRETE SLAB, U.N.O. 4” COMPACTED GRANULAR FILL. COMPACTED EARTHEN FILL OR UNDISTURBED EARTH, SEE SOILS REPORT.
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