Seal Your Space for Lasting Protection

Book Vapor Barriers in the Greater Boston Area

In the Greater Boston Area, managing water before it enters your home is crucial. At Key Waterproofing Construction, we offer exterior drainage solutions like French drains, grading, and foundation waterproof coatings. You’ll appreciate the long-term value of keeping water away from your home, protecting your foundation from potential damage.


Serving the Greater Boston area, including Holbrook and Sudbury, our expertise with challenging soil and water tables ensures that your home receives the best protection possible. By bundling interior and exterior solutions, we provide comprehensive protection against water intrusion.


Request an inspection to compare interior vs. exterior options today.

Rainwater flows from a dark gray downspout attached to a concrete structure; a brick wall is in the background.

How Our Process Works

Our exterior drainage systems are designed to provide lasting protection for your home.

Here’s how we do it:

Assessment of soil and water table conditions

Installation of French drains and grading

Application of foundation waterproof coatings

Bundling with interior solutions for total protection

Expert handling of challenging Massachusetts conditions

Plan your comprehensive water management strategy with us today.