FSI Foundation Systems

About FSI Foundation Systems

FSI Foundation Systems is a licensed basement waterproofing and foundation services company based in Williamsburg, Virginia. The company specializes in concrete repair and resurfacing and serves homeowners throughout Williamsburg and the neighboring communities. With a focus on long-term, warrantied solutions, FSI Foundation Systems helps Virginia families protect their homes from water intrusion, foundation moisture, and the structural damage that chronic dampness can cause. With a 4.5-star Google rating backed by 22 verified reviews, the company has built a reputation for dependable results and responsive customer service.

The team at FSI Foundation Systems is trained to diagnose moisture problems at their source rather than simply treating the symptoms. Core service offerings include concrete repair and resurfacing and construction and structural repair, basement and crawl space waterproofing, interior and exterior drainage system installation, sump pump sales and installation, crawl space encapsulation with reinforced vapor barriers, and foundation crack repair using industry-standard injection and reinforcement methods. Every project begins with a thorough on-site inspection and a written, itemized estimate — no surprises, no pressure.

FSI Foundation Systems uses commercial-grade waterproofing materials sourced from leading manufacturers in the waterproofing industry. Products commonly installed include high-capacity sump pump systems with battery backup, reinforced polyethylene vapor barriers for crawl space encapsulation, interior drain tile systems, wall anchor and carbon fiber strap systems for bowing or leaning basement walls, epoxy and polyurethane injection kits for crack repair, and heavy-duty dehumidification units for humidity control. All products are selected for Virginia's climate and soil conditions.

Based in Williamsburg, FSI Foundation Systems serves residential and light-commercial clients throughout the Williamsburg area and beyond. The company is available for projects across a wide service radius and can accommodate urgent calls when active water intrusion or flooding threatens a home. Contact our network at (757) 743-9050 to confirm service availability in your specific ZIP code and schedule a free on-site consultation.

Choosing the right waterproofing contractor is one of the most important decisions a homeowner can make for the long-term value and safety of their property. FSI Foundation Systems combines local expertise, quality materials, and transparent pricing to deliver results that last. Call (757) 743-9050 or use the free quote form on this page to get started with a no-obligation estimate today.

Services Offered

• Concrete contractor
• Construction company
• Masonry contractor
• Waterproofing service

Business Hours

Monday	7AM-5PM
Tuesday	7AM-5PM
Wednesday	7AM-5PM
Thursday	7AM-5PM
Friday	7AM-5PM
Saturday	Closed
Sunday	Closed

Customer Testimonial

Before & After

Sample before/after — replace with real project photos.