Waterproofing, Explained Properly

Practical guides for architects, contractors, and owners building commercial projects for the Southeast

Built on more than 20 years of commercial waterproofing experience and real project work using the industry's leading systems — Henry, Tremco, Dow, Sika, and Sherwin-Williams. Whether you're building in Nashville, Atlanta, Louisville, or anywhere across the Southeast, these guides help architects, general contractors, and property owners specify the right system the first time, recognize the most expensive failure modes early, and protect what they build for the life of the structure.

Why Below-Grade Waterproofing Matters
Heather Harster Heather Harster

Why Below-Grade Waterproofing Matters

Below-grade waterproofing is the most important thing you bury — and the easiest to value-engineer into failure. Here's why it matters, what happens when it goes wrong, and how to spec it right the first time.

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Weep Holes Are a Feature, Not a Flaw
Heather Harster Heather Harster

Weep Holes Are a Feature, Not a Flaw

Weep Holes: Small Openings, Big Job

If you've ever looked closely at the bottom of a window frame here in Nashville, you may have noticed small slots or openings along the sill. Those are weep holes — and they are there by design.

Windows are not meant to be 100% watertight. Wind-driven rain (and we get plenty of it in Middle Tennessee) pushes moisture past the outer seals and into the sill track. Weep holes give that water a clear path back out to the exterior, before it has a chance to sit, soak into the frame, or migrate into the wall cavity behind your window.

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Why Parking Garage Sealants and Coatings Matter: A Real-World Example

Why Parking Garage Sealants and Coatings Matter: A Real-World Example

Visible in this image is a failed expansion joint in a concrete parking deck, where the original sealant has deteriorated and the joint material is visibly dislodged or missing. This type of failure exposes the structure to water infiltration, corrosion, and long-term structural damage—highlighting the urgent need for joint restoration and waterproofing maintenance.

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