Denman and Son Construction Affordable Basement waterproofing/remodeling. Carpentry and more. Fully insured. 1872 Virginia VIA Washington, PA 15301 John Denman: 724-809-0509 Denman and Son Construction Affordable Basement waterproofing/remodeling. Carpentry and more. Fully insured. 1872 Virginia VIA Washington, PA 15301 John Denman: 724-809-0509