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Jefferson National Expansion Memorial

Laurenco Waterproofing protects some of America’s most recognized landmarks, preserving their historic significance for years to come.
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PROJECT DETAILS

Location

St. Louis, MO

Completion Date

2024

Industry

Museum

Project Type

Tunnel, Below-Grade, Pavers, Wall and Lid Waterproofing

Systems Used

RMA System

Applicator

Western Specialty Contractors, Inc.
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PRODUCTS USED

adhesive (1) Laurenco Adhesive
sheet Laurenco Roll
spc-sheet Laurenco PPC
butyl Laurenco Butyl Seal Tape

The CHALLENGE

The St. Louis Arch is situated on the banks of the Mississippi River and built over the park museum that suffered from over twenty interior leaks originating from expansion joints, penetrations, and field transitions.

The SOLUTION

The existing composite PVC and coal tar pitch waterproofing and its overburden was removed to the structural deck and replaced with the FBC-Laurenco rubber modified asphalt waterproofing. The compatibility of the material with coal tar pitch residuals expedited the installation by not requiring the complete scarification of the deck. Subsequently, the new visitor center facility was built adjacent to the museum and FBC-Laurenco waterproofing was again used to waterproof the new construction.

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