sunfloor , an Engineered Floor is extremely easy to install as Floating Floor. However, being a versatile product, it can also be nailed, stapled, or glued down. With floating installation system, each plank of a sunfloor is held in place by the precisely fitted tongue and groove of the adjoining piece, along with adhesive. It can be installed over any grade sub-floor even below grade application such as basement. In most cases, it can be installed over existing smooth sub-floor. Since sunfloor is pre-finished with 6 layers of UV acrylic finish at the factory. This means that no sanding or waxing is necessary, and the floor will be ready to be walked on the same day you install it. sunfloor is the ideal choice for both remodeling and new construction projects.