Crawl Spaces
Sealed Crawl Space
A sealed crawl space protects your home from moisture and mold at the source, and it's one of the most effective upgrades you can make for comfort, air quality, and home value.
In Cary, foundation cracks, air intrusion, and unsealed crawl spaces cause a predictable set of problems for homeowners. A fully sealed and encapsulated crawl space is a definitive solution — it addresses existing moisture and mold concerns while preventing the next round of problems before they start.
How We Seal a Crawl Space
We apply advanced vapor barriers across every square inch of ground-exposed surface, forming a complete moisture blockade rather than a partial fix. All joints, seams, and potential entry points are sealed to prevent future water intrusion. It's designed to integrate with your home for the long term, not act as a quick patch.
Benefits of a Sealed Crawl Space
- Energy Star rated system for improved efficiency
- Better heating and cooling efficiency by reducing the load on your HVAC system
- Reflective insulation with a 97% reflectivity value to cut radiant heat loss
- Class A / Class 1 fire rating for safety
- Reduced conditions for mold and fungus growth
- Improved indoor air quality throughout the home, not just in the crawl space
Insulation Completes the System
Sealing keeps moisture out; insulating the walls and rim joist keeps temperatures consistent and adds another layer of defense against moisture that can foster mold growth. Together, sealing and insulation form a system that keeps your home warmer in winter, cooler in summer, and drier year-round.
If Mold Is Already Present
Mold under your house is a health hazard, not just a nuisance — it's linked to sinus infections, allergies, and respiratory problems. Our remediation process contains the affected area, removes water- and mold-damaged materials, dehumidifies to prevent regrowth, cleans structural surfaces, and uses HEPA filtration to clear the air before we seal the space.
Frequently Asked Questions
A full system includes a heavy-duty vapor barrier across the floor and walls, sealed vents, sealed joints and seams, and insulation on the walls and rim joist. Together these seal the crawl space off from ground moisture and outside humidity as a single, integrated system.
Our Customers Love Us!
“Rob and his crew are super. I had a very big project to renovate a 130-year old farmhouse. They worked diligently to put in new piers, new girders, and new joists. Then they also help to fix some frames and add subfloor. This allowed me to move on. Really enjoyed working with Rob.”
Jack C.
Mar 2025
“Very professional! They carried out their task while going the extra mile. It was obvious to me that quality is of great importance. They left it better than they found it. I would recommend them to my greatest of friends and family.”
Jerry H.
Feb 2025
“After having some minor flooding issues, we contacted Triangle Reconstruction and they were amazing in their ability to identify the issues and the best way to address it. What was most impressive was the team that came out and did the work. They were probably the most professional and organized crew we've ever seen work on our house. Brian, our rep, and Rob, the owner, regularly checked in on their work and kept us updated on the progress. I hope I never have to deal with flooding issues again, but if I do, I'll call Triangle Reconstruction again.”
Greg M.
Nov 2024
Ready to fix your sealed crawl space issue?
Get a free, no-obligation quote from Triangle Reconstruction.