Reviews

Waterproofing systems are engineered to perform under hydrostatic pressure — meaning they hold back water even when water is actively pushing against the substrate. Water-resistant coatings (including many products marketed as 'waterproof paint') resist incidental moisture exposure but are not designed for hydrostatic conditions. Below-grade walls, plaza decks, and areas subject to ponding water require true waterproofing membrane systems. Facades experiencing wind-driven rain are candidates for water repellent treatments or traffic-rated coatings. Specifying the wrong product type results in premature failure and the need for remediation.

Manufacturer-reported service life for commercial waterproofing membranes typically ranges from 10 to 25 years depending on system type, exposure conditions, and quality of installation. Below-grade fluid-applied membranes installed to manufacturer specs in low-traffic conditions often perform well beyond 20 years. Traffic-bearing systems on parking decks typically require maintenance or replacement at 10 to 15 year intervals depending on traffic volume and surface coating condition. The most significant variable affecting system longevity is not the membrane itself, but the quality of substrate preparation and the precision of detailing at terminations, penetrations, and transitions.

Tuckpointing is the restoration process of removing deteriorated mortar from masonry joints and replacing it with fresh mortar matched to the original in composition, color, and texture. Masonry mortar is a sacrificial material — it is designed to be softer than the brick or stone it binds so that it weathers preferentially, protecting the more expensive masonry units. Over time, typically 20 to 30 years depending on exposure and original mix quality, mortar joints erode, crack, or lose adhesion. Open mortar joints allow water to enter the wall cavity directly, causing freeze-thaw damage, rebar corrosion, efflorescence, and interior moisture. Tuckpointing is required when joint depth exceeds approximately 3/4 inch, when joints are crumbling, or when mortar shows visible separation from the masonry units.