Photo Album: Support Beam and SmartJacks in a Crawl Space in Pomona, Ca. A home in Pomona, Ca. had sagging floor and SmartJacks and a support beam was the solution to stabilize and level the floor. Entrance to Crawl Space Entrance to CS needing support bean and jacks Alternative Entrance to Crawl Space side yard SmartJack Support Jack Providing support and stabilization to sagging floor Steel Support Beam and Jacks at Crawl Space Entrance Support Beam and Jacks