Only Olshan Offers

Free Evaluations

Olshan Certified Technicians provide no-obligation crawl space & air quality evaluations to homeowners free of cost (a $349 value). Schedule now!
Patented Technology

Innovative solutions spanning crawl space restoration, foundation repair, basement waterproofing, drainage, air quality, mold and more.
Over 90 Years of Experience

Since 1933 our reputation for honesty, innovative technology and quality craftsmanship have set the standard in structural repair services.
Available Warranty Options

We stand by our work. Repairs are backed by available Warranty Programs that deliver ongoing support long after installation.
Payment Plans as Low as $125/Month

We offer a variety of convenient payment programs to fit your needs, including 0% interest and up to 365-Days Same-As-Cash options with approved credit.

Our Services

Olshan Makes Crawl Space Encapsulation & Waterproofing Easy

Patented Products
We Beat Their Prices
90 Years of Experience
Amazing Customer Service
Crawl Space Certified

Our Crawl Space Solutions Include

1. Vapor Barriers

Our 7mil reinforced SafeSeal vapor barriers defend your home from moisture. Can be used on both walls and floors for full encapsulation.

2. Basement Waterproofing

Olshan's inexpensive Exterior & Interior Basement Waterproofing Solutions are designed to keep your home dry for good. Services include drainage, moisture barriers, sump pumps and more.

3. Water Management

Olshan Drainage systems can be installed both inside the crawl space and on the exterior of the home. Each drainage system is configured to your home and may include EZ drain (interior), pipe & rock (interior), french drains, subsurface drains, downspout extensions, gutters and more.

4. Dehumidifiers

Circulating the nasty, humid air under your home is a great way to improve indoor air quality throughout your home. Dehumidifiers help create a healthier, more pleasant environment.

5. Sump Pumps

Sump pumps discharge standing water from under your pier and beam home. We offer a variety of sump pump options to meet your home’s needs, including battery-backup systems that can operate during power outages.