Porch Slab . The only remaining step is to place a molding on the slab edge. Use glen's railing wall method, then manually draw a foundation beneath the porch. Laying Patio Slabs Slabs 'R' Us Slabs 'R' Us from www.slabsrus.co.uk Look through porch pictures in different colors and styles and when you find a concrete. Pine is the most widely used wood for decks and porches. A new waverton cambria top sits on an antique weiman.