Note: NBS also replaced the house jacks, sealed the floor of the crawl space, removed old insulation from between the floor joists, and blew in foam insulation along the foundation walls.
Very polite and communicated very clearly and competently during all stages of the job.
The crew was very thorough in removing all the old insulation debris removed from the floor joists.
I had heard from a plumber we had employed that he'd been in a home where you had sealed a crawl space and he had described the work as exemplary.