Crawl Space Encapsulation in Tenleytown, DC

High Ground Does Not Mean Dry Ground

Tenleytown sits on some of DC's highest ground, and homeowners assume that means dry crawl spaces. But the soil here is heavy clay — it holds water like a bowl even on a hill. Water perches in the clay against your foundation instead of draining away. Elevation helps with flooding; it does not help with the slow, constant wicking that keeps crawl spaces damp.

Mid-Century Meets Older Stock

Tenleytown mixes pre-war colonials with mid-century ramblers and splits. The mid-century homes often have the shallowest crawl spaces in the District — some barely two feet. They are tight to work in, but they encapsulate well because there is less air volume to condition.

What We See Most Here

Clay-stained foundation walls showing the water line. Crawl spaces that are damp year-round despite never flooding. And in the mid-century homes, original thin vapor barriers that have disintegrated to nothing.

Call (301) 679-9193 for a free Tenleytown crawl space inspection.

Nearby areas we also serve

We serve Tenleytown and these nearby areas:

Frequently Asked Questions

We're on high ground. Why is our crawl space damp?

Clay soil. It traps water against the foundation regardless of elevation. The dampness comes from wicking and humid air, not from flooding — and encapsulation is built for exactly that.

Our crawl space is extremely shallow. Is that a problem?

Not for us. Shallow mid-century crawl spaces are common in Tenleytown and they actually cost less to encapsulate — less wall area, less air volume.