Every building with a basement will need a waterproofing system.
EDA is experienced with installing foundation waterproofing, under slab waterproofing, and elevator pit waterproofing. Our philosophy is that waterproofing is the foundation for a leak-free building envelope.
Waterproofing
Blindside waterproofing is used where access to exterior foundation walls is restricted due to property lines or excavation limits. EDA installs pre-applied membranes against shoring or lagging prior to concrete placement, providing continuous protection in constrained urban construction environments.
EDA installs below-grade foundation waterproofing systems designed to protect structural walls from groundwater infiltration. System selection and detailing are based on soil conditions, hydrostatic pressure, and construction sequencing to ensure long-term protection of structural and occupied spaces. These products are sheet or fluid applied and are project specific solutions to create a continuous protective envelope.
Under-slab waterproofing systems are installed beneath concrete slabs, footings, and gradebeams to create a continuous moisture barrier. These systems help prevent water migration into occupied areas and sensitive building spaces. EDA coordinates installation to maintain continuity at penetrations and perimeter interfaces.
Metal oxide waterproofing systems are typically used in interior below-grade applications such as elevator pits. These treatments react with concrete to reduce moisture penetration over time and are often selected where traditional membrane systems are not practical or accessible.
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